Tools that don't upload your data — Runs on Android

31 match your filters — 30 of them answered our check today.

Watching this group for 18 days · how we check

This week11 new arrivals

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SASYA

Live

Offline on-device plant identification app focused on Indian and Southeast Asian species, with no photo upload required.

Domain registered 1 month ago

FreeWorks offlineData stays with you

What to know▼

How it works: Runs a vision model entirely on-device to identify plants in under a second, even offline
What's different: India/SE-Asia-first plant database with regional names in 9+ languages; photos never leave the phone
Pricing: free on iOS, Android coming soon
Best for: Hikers or gardeners in India/SE Asia needing offline plant ID

Watched for 4 days · last checked 4d ago

Details →

Koiven

Live

Turns tracking your water intake into a game where an on-screen aquarium fills and a fish swims as you log drinks.

FreeNo sign-upWorks offlineData stays with you

What to know▼

How it works: logging a drink raises the on-screen aquarium water level
Pricing: free; Pro unlocks more fish, themes and drink slots
Watch out: offline and private by design, no account; iOS planned but not yet available

Watched for 5 days · last checked today

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SaferRoam - Anti-Theft Alarm

Live

An Android anti-theft alarm focused on two everyday scenarios — someone unplugging your charging phone or moving it off a table — instead of general broad anti-theft tracking.

No sign-upWorks offlineData stays with youPay once

What to know▼

How it works: Charging Guard alarms on unplug; Table Guard uses sensors to detect the phone being moved.
Pricing: No account, no cloud tracking; early users get lifetime access for 0.99 euro.

Watched for 2 days · last checked 1d ago

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SIMT

Live

An offline spatial toolkit for Android and Wear OS with navigation, indoor tracking, and AR measurement, working without an internet connection.

Works offlineData stays with you

What to know▼

How it works: suite of precision tools (navigation, indoor tracking, AR measurement, astronomy) that run offline
What's different: local data sharing between devices, no required connectivity

Watched for 5 days · last checked today

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Camera Eye — Background Video Recorder

Live

Android app for recording video, photo, or audio silently in the background, with all media kept only on the device.

Domain registered 7 days ago

Data stays with you

What to know▼

How it works: Captures media even with the screen off; nothing leaves the device.
What's different: No upload, works with screen off.
Watch out: Android only.

Watched for 5 days · last checked today

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TrainWiz

Live

Turns real exercise reps like squats and push-ups into a Pokemon-style pet that levels up, tracked by on-device camera AI. Aimed at beginners who struggle to stick with fitness apps.

FreeWorks offlineData stays with you

What to know▼

How it works: On-device camera AI counts your reps as you do exercises like squats or push-ups; each rep gives XP to a pet that levels up and evolves, builds a daily streak, and supports live co-op workouts with a friend.
What's different: No camera footage leaves the phone, and the pet-care habit loop is built for people who drop off other fitness apps rather than for structured training plans.
Pricing: Free.
Best for: Beginners and busy people whose motivation for fitness apps usually dies within a couple of weeks.

Watched for 18 days · last checked 10d ago

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HeicToPng

Live

Fixes the iPhone-photo compatibility problem by converting HEIC to PNG locally in your browser, nothing uploaded to a server, no account, no app to install.

Domain registered 7 months ago

FreeNo sign-upNothing to installData stays with you

What to know▼

How it works: Converts HEIC photos from iPhones/iPads into PNG, JPG or WebP directly in the browser; supports batch conversion of up to 100 files at once with no file-size limits.
What's different: Conversion runs entirely on-device — photos are never uploaded to a server or stored.
Pricing: Free, no sign-up required.
Best for: People who need to convert iPhone HEIC photos for apps, websites or Windows PCs that can't open the format, without uploading personal photos.

Watched for 14 days · last checked 8d ago

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DotFiles

Live

An Android file manager that keeps everything local — batch rename, ZIP tools, duplicate/large-file finder, and a PIN-protected secure folder. No ads, no cloud, no tracking.

Works offlineData stays with youNo adsNo tracking

What to know▼

How it works: An Android file manager for browsing, searching, copying, moving, renaming, and deleting files locally, with a Recycle Bin, batch rename, ZIP compress/extract, storage analyzer, duplicate and large-file finders, and a PIN/biometric-protected secure folder.
What's different: Keeps everything on-device with no cloud, ads, or tracking, unlike file managers that sync to the cloud.
Pricing: No pricing stated beyond "no ads."
Best for: Android users who want local file management and a private, protected folder without cloud sync.

Watched for 17 days · last checked 2d ago

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Lectern

Live

An offline eBook reader for Android — EPUB, PDF, MOBI, comics and more, with AI text-to-speech, synced highlights, and no ads or account. Has optional cloud sync despite the offline-first pitch.

Domain registered 1 month ago

No sign-upWorks offlineData stays with youNo subscription

What to know▼

How it works: An offline eBook reader for Android supporting EPUB, PDF, MOBI, FB2, AZW and comics, with offline AI text-to-speech voices synced to text highlighting, bookmarks, notes, a built-in dictionary and OPDS support.
What's different: Fully offline and privacy-first, with no ads, account or subscription required.
Best for: Android readers who want offline reading with AI narration and no account.
Watch out: Offers optional cloud sync despite the offline-first, no-account pitch.

Watched for 13 days · last checked 2d ago

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Guardexa

Live

An Android app that photographs or records whoever fails to unlock your phone, with face recognition and evidence kept entirely on-device.

Domain registered 3 months ago

Works offlineData stays with you

What to know▼

How it works: Captures photo or video evidence after failed PIN, pattern or password unlock attempts on an Android phone, with optional location tagging and private post-unlock alerts.
What's different: On-device Owner Recognition reduces false alerts, and face data never leaves the phone.
Best for: Android users who want evidence of who tried to unlock their phone.

Watched for 14 days · last checked 8d ago

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Packet Capture Pro

Live

A desktop packet-capture and network-debugging tool for Windows and macOS that can mirror traffic live from a paired iOS or Android app, keeping all data on-device. For developers.

Data stays with you

What to know▼

How it works: A desktop packet capture and network debugging tool for Windows and macOS that captures and decrypts HTTP/HTTPS traffic, inspects JSON/XML/HTML, compares requests/responses, and replays requests to reproduce bugs. Pairs with a mobile PCP app to mirror traffic live from Android and iOS devices.
What's different: Mirrors mobile device traffic to the desktop in real time without requiring root or jailbreak on the mobile device.
Best for: Developers debugging network traffic across desktop and mobile apps.
Watch out: All data stays on the user's device and is never uploaded to a server.

Watched for 13 days · last checked 7d ago

Details →

Appcognito

Live

A free Android app and website blocker that works entirely on-device with no account, ads or tracking, including adult content blocking. Straightforward and does what it says, nothing more.

FreeNo sign-upWorks offlineData stays with you

What to know▼

How it works: Blocks distracting apps, websites and adult content on-device on Android, with no account, ads or tracking.
Pricing: Free.
Best for: Android users who want an app/site blocker that works entirely on-device without an account.

Watched for 15 days · last checked 9d ago

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Equifolio — whole net worth, privately

Live

Tracks your entire net worth — stocks, crypto, property, pensions — in one private app that never uploads your data.

Data stays with youNo ads

What to know▼

How it works: Aggregates multiple asset types with live/delayed prices, dividends, and return metrics like TWR and IRR
What's different: Data stays on-device, no ads or data selling
Pricing: 14 days free, then a low-cost yearly subscription
Best for: People juggling several separate portfolio/tracking apps

Watched for 4 days · last checked 3d ago

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Share2Me

Live

Sends files and clipboard text directly between devices over encrypted peer-to-peer connections, no account or cloud storage.

Data stays with you

What to know▼

How it works: WebRTC transfer with end-to-end AES-256 encryption via QR code or link
What's different: No sign-up, no upload limits
Best for: quick cross-device transfers across Windows, macOS, Linux, iOS, Android

Watched for 4 days · last checked 3d ago

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TrialGuard

Live

An Android app that tracks your free trials and subscriptions on-device and reminds you before you get charged, with no account or bank connection required.

No sign-upData stays with youNo tracking

What to know▼

How it works: Add trials/subscriptions manually, get reminders before charges hit
What's different: No account, no bank connection, everything stays on-device

Watched for 5 days · last checked 4d ago

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Eleganote

Live

A local-first notebook combining handwriting, rich documents and PDF markup in one workspace, for students and professionals tired of juggling multiple note apps.

Works offlineData stays with youNo adsNo tracking

What to know▼

How it works: A local-first notebook combining handwriting (ink, pens, highlighters, shapes, lasso selection), rich text boxes, tables, images, audio memos, and PDF import with searchable text, all on a multi-page canvas organized with folders and tags.
What's different: Combines handwriting, structured documents and PDF markup in one workspace instead of forcing a choice between separate apps, without ads or tracking SDKs.
Best for: Students, professionals and creators who currently juggle multiple note apps and want handwriting, documents and PDF annotation in one place.

Watched for 18 days · last checked 2d ago

Details →

Monelo

Live

Free offline-first personal finance app for tracking budgets, expenses, multiple wallets and currencies and savings goals without connecting a bank account.

FreeWorks offlineData stays with you

What to know▼

How it works: tracks budgets with multiple categories, multiple wallets and currencies, and savings goals with a recurring-transaction planner, all offline
Pricing: free
Watch out: does not sell or share user data

Watched for 11 days · last checked 8d ago

Details →

Raha Tools

Live

A free PDF editor that runs entirely in your browser — edit text, add signatures, annotate — with no sign-up, no install and no upload, since files are processed locally.

FreeNo sign-upNothing to installData stays with you

What to know▼

How it works: Edits existing PDF text directly in the browser, adds images and signatures, and highlights and annotates documents, then exports without a watermark.
What's different: Every document is processed locally on the device with no file upload, no sign-up, and no installation.
Pricing: Free.
Best for: People who want to edit or sign a PDF quickly without creating an account or uploading the file anywhere.
Watch out: Works on desktop, iPhone, and Android, since local, upload-free processing depends on browser/device support.

Watched for 13 days · last checked 11d ago

Details →

Aye-Aye

Live

An Android app that quietly records what's on your screen and makes it searchable later, all processed on the phone itself, with no account, server or cloud.

No sign-upWorks offlineData stays with youNo tracking

What to know▼

How it works: An Android app that captures what crosses your screen and turns it into a searchable memory, with processing done entirely on the device.
What's different: No account, no server, and no analytics — everything stays on the phone.
Best for: Android users who want to search back through what they've seen on their screen without any data leaving the device.
Watch out: Continuous screen capture is a sensitive capability — worth confirming what gets captured and how it's stored before relying on it.

Watched for 15 days · last checked 2d ago

Details →

Patterns

Live

Private OCD/ERP tracker across desktop and mobile that logs obsessions, compulsions, triggers and exposure practice with no cloud sync.

Domain registered 20 days ago

No sign-upWorks offlineData stays with youNo ads

What to know▼

How it works: Tracks obsessions, compulsions, mood and exposure exercises across iOS/Android/desktop
What's different: No accounts, no cloud sync — data stays on-device
Best for: People doing ERP therapy who want a private tracking journal

Watched for 6 days · last checked today

Details →

Replicoo Offline

Live

Android app for storing and analyzing personal or family health records entirely on-device, with no cloud or account.

Domain registered 15 months ago

No sign-upWorks offlineData stays with you

What to know▼

How it works: Stores and gives AI-powered insights on personal or family health and lab records entirely on your Android device, with no cloud or account.
Watch out: iOS version is on the roadmap.

Watched for 10 days · last checked 4d ago

Details →

Spoke: Private Voice Notes for Android

Live

Android app for recording and organizing voice notes privately, positioned against cloud-based note apps.

Data stays with you

What to know▼

How it works: Transcribes spoken voice notes into searchable notes and tasks directly on the phone.
What's different: Audio never leaves the device — only text syncs, and only once you sign in.
Watch out: Android only.

Watched for 8 days · last checked today

Details →

Turns your Android phone into a self-hosted MCP server so AI assistants like Claude, Cursor or Perplexity can pull your personal memory without sending data to the cloud. Aimed at developers already using MCP-compatible tools.

Works offlineData stays with youOpen sourceNo subscription

What to know▼

How it works: Turns an Android phone into a self-hosted MCP (Model Context Protocol) server by installing a Python MCP server inside Termux, with a secure tunnel giving the phone a stable public HTTPS URL that AI clients like Claude, Cursor or Perplexity can connect to for persistent memory.
What's different: Data is stored locally on the user's own phone instead of a vendor's cloud, with no subscription or vendor lock-in.
Pricing: No subscription.
Best for: Developers already using MCP-compatible AI tools who want to own their memory data instead of storing it in the cloud.
Watch out: Relies on a relay tunnel (relay.memplato.com) and requires Termux running on the phone, with a watchdog to restart the server if the phone reboots or Termux closes.

Watched for 10 days · last checked 4d ago

Details →

FidgetDrop Haptic Fidget Android App

Live

A pocket fidget kit for Android — tap, pop, spin and flip through tactile toys with haptic feedback whenever you need a quick sensory break.

FreeNo sign-upData stays with youPay once

What to know▼

How it works: An Android app with tap-based tactile toys — clicker, bubble wrap, spinner, toggle switches, magnetic slider and more — each with responsive haptic vibration feedback.
Pricing: Free base set of fidgets; FidgetDrop Pro unlocks more tactile toys and customization.
Best for: People who want a pocket-sized fidget kit on their Android phone for quick sensory breaks.

Watched for 18 days · last checked 2d ago

Details →

Docufy AI

Live

Extracts text via OCR from scanned documents, then lets AI summarize them, flag contract risks, and translate into 51 languages — all on your Android phone.

Domain registered 4 months ago

FreeData stays with youNo subscriptionCan export my data

What to know▼

How it works: Scans documents on an Android phone, extracts text via OCR (Google ML Kit), and lets AI summarize them, extract key facts, flag contract risks, generate to-do lists, chat with the document, or translate into 51 languages.
What's different: Goes beyond producing a plain PDF — the AI layer analyzes and translates the scanned content directly on the device.
Pricing: Scanning and OCR are free for everyone; deeper AI features (summaries, contract-risk analysis, translation) are part of a Premium tier billed without a subscription.
Best for: Android users, including freelancers and students, who want to digitize and understand documents like invoices, contracts and notes.

Watched for 14 days · last checked 8d ago

Details →

EchoFlow

Live

A native Android AI chat app that keeps your conversation history stored locally on the device instead of the cloud.

No sign-upData stays with youOpen sourceSelf-hosted

What to know▼

How it works: A native Android AI chat app.
What's different: Chat history is stored locally on the device rather than in the cloud.
Best for: Android users who want an AI chat app without their conversations stored in the cloud.

Watched for 18 days · last checked 10d ago

Details →

Warden

Live

An open-source Android app that watches for apps quietly using your camera, microphone or location and alerts you in real time — for privacy-conscious phone owners, not just developers.

Data stays with youOpen sourceNo adsNo tracking

What to know▼

How it works: An open-source Android app that monitors app permissions in real time and alerts you when apps access your camera, microphone or location, even when you're not using them.
What's different: Open-source, with no ads and no tracking of its own.
Best for: Privacy-conscious Android users who want to know when apps quietly access sensitive sensors.

Watched for 18 days · last checked 2d ago

Details →

Unspent — Expense Tracker

Live

Private expense tracker based on the 50/30/20 budgeting rule, no login, one-time payment.

No sign-upData stays with youPay onceNo subscription

What to know▼

How it works: Tracks expenses around the 50/30/20 budgeting rule with smart budgeting, monthly insights, recurring transactions and PDF export, storing data only on the device.
Pricing: One-time payment, no subscription.
Best for: People wanting a private expense tracker with no login.

Watched for 3 days · last checked 2d ago

Details →

DeltaScroll

Live

Free, privacy-first offline EPUB reader for web and Android with local note-taking and PDF/DOCX conversion.

FreeWorks offlineData stays with you

What to know▼

How it works: Reads EPUB files offline, with note-taking, read-aloud, and local PDF/DOCX conversion.
Pricing: Free.
Best for: Readers who want a privacy-first offline EPUB reader for web and Android.
Watch out: No cloud upload, everything stays local.

Watched for 3 days · last checked 1d ago

Details →

Ginti

Live

Reads the transaction alerts your bank already sends and turns them into categorized expenses, so you never hand over your online banking login to a budgeting app.

Domain registered 6 months ago

Data stays with you

What to know▼

How it works: Reads the transaction alerts your bank and payment apps already send, uses AI to extract the amount, merchant, and category, and turns each into an expense card you approve with a swipe — without connecting to your bank account.
What's different: Never requires a bank login; works from notification alerts instead, and processes/stores data on-device.
Best for: People who want automatic expense tracking without handing a budgeting app their online banking credentials.
Watch out: On iOS there's no auto-detection of bank notifications — you have to paste the alert manually into Smart Paste.

Watched for 11 days · last checked 11d ago

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B-ZEC

A map-based expense tracker with on-device OCR that computes Schedule C tax deductions for the self-employed.

Domain registered 4 months ago

Works offlineData stays with you

What to know▼

How it works: One tap on a map captures an expense, OCR reads the receipt, and the Schedule C deduction is computed on-device.
What's different: Financial data never leaves your mobile device — SQLCipher-encrypted and local-only.
Watch out: Coming Q2 2026 to iOS and Android.

Watched for 10 days · last checked 4d ago

Details →