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An Android email app that encrypts everything and stores it only on your device, never the vendor's servers, with no trackers — built for privacy, not offline use.
Data stays with youNo tracking
What to know▼
How it works
An Android email client that encrypts all emails, account data, credentials and databases and stores them only on the device — never on the vendor's servers. Supports PGP encryption, multiple accounts, delayed sending and swipe actions.
What's different
Local-first design with no trackers, no analytics and no data selling, supporting GDPR compliance.
Best for
Android users who want a privacy-focused email client with no server-side data storage.
We check every product on this page once a day and record whether it still answers.
A local-first productivity workspace combining a Pomodoro timer, task/habit tracking, and analytics, with data kept on-device.
Works offlineData stays with youNo subscription
What to know▼
How it works
Combines a Pomodoro timer with customizable workflows, immersive focus mode, task/habit tracking, productivity analytics, an XP/achievement system, and ambient soundscapes, with local accounts and encrypted backup.
What's different
Local-first architecture; data stays on-device by default with no mandatory account, subscription, or ads.
We check every product on this page once a day and record whether it still answers.
An enhanced Telegram client with a built-in crypto wallet, AI assistant, and privacy features, aimed at individuals and businesses who want more security and Web3 tools than stock Telegram.
Data stays with youOpen source
What to know▼
How it works
An enhanced Telegram client with a non-custodial multichain wallet, a built-in AI assistant, and an Agent Marketplace, layered on top of standard Telegram messaging.
What's different
Open-source and privacy-focused, adding financial and AI tools directly into the messaging client instead of requiring separate apps.
Best for
People who want more privacy, a built-in crypto wallet, and AI tools within the Telegram experience they already use.
We check every product on this page once a day and record whether it still answers.
An AI Mac app that watches your screen and turns it into a private daily work log, analyzed entirely on-device, for individuals and professionals who want to understand their own habits.
Works offlineData stays with you
What to know▼
How it works
Runs on your Mac in the background, using local AI to analyze your screen activity and automatically generate a structured daily work journal.
What's different
Analysis happens entirely on-device, so screen data stays local rather than being uploaded.
Best for
Individuals and professionals who want to understand their own work habits without a cloud-based tracker.
We check every product on this page once a day and record whether it still answers.
Uses your iPhone camera and on-device AI to estimate stress, focus and eye strain in under a minute, nothing uploaded — a wellness check-in with a free trial, not a fully free app.
Works offlineData stays with you
What to know▼
How it works
Uses the iPhone camera with Apple's Vision framework and HealthKit to read stress signals, focus drift, screen strain and sleep quality via on-device eye-tracking in about 60 seconds.
What's different
Runs entirely on-device with nothing sent to the cloud, and doesn't require an Apple Watch.
Pricing
Free to try.
Best for
iPhone users who want a quick, privacy-preserving wellness check-in.
We check every product on this page once a day and record whether it still answers.
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.
We check every product on this page once a day and record whether it still answers.
A private, mood-tracking journaling app with streaks and reminders to build a daily writing habit — a personal wellbeing tool for individuals.
Data stays with you
What to know▼
How it works
A journaling app for writing freely, tracking mood, building streaks with reminders, revisiting entries through a calendar, and seeing insights into your emotional patterns over time.
What's different
Privacy-first — your journal stays private.
Best for
People trying to build a consistent, daily journaling habit.
We check every product on this page once a day and record whether it still answers.
A free, local-first habit and life tracker based on Buddhist teachings that stores all data in your browser with no account, no cloud, and JSON export and import.
FreeWorks offlineData stays with you
What to know▼
How it works
Maps the Mangala Sutta's 38 blessings into daily habit design, stores data 100% locally in your browser cache, with JSON export/import for backups.
Best for
People who want a private, offline habit tracker with no account and no cloud storage.
We check every product on this page once a day and record whether it still answers.
Encrypted email that shows exactly what's sealed to your key versus visible to the server, instead of just claiming privacy. Free, but closed source until it reaches 300 users.
Watch out · The codebase is currently closed source, with the source only opening once the service reaches 300 users.
FreeData stays with youNo ads
What to know▼
How it works
Encrypted email where your encryption key is generated in your browser and never leaves it; the front page shows exactly what's sealed to your key versus what the server can see.
What's different
Shows the precise line between what's encrypted and what's server-visible instead of just claiming full privacy; source code opens at 300 users and gets audited at 1,000.
Pricing
Free, no ads.
Best for
Privacy-focused users who want to verify what an encrypted email provider can and can't see rather than take a claim on faith.
Watch out
The codebase is currently closed source, with the source only opening once the service reaches 300 users.
We check every product on this page once a day and record whether it still answers.
A lightweight Windows screenshot tool with fast capture, 10+ annotation tools and local-only storage, built for a clean everyday screenshot flow rather than heavy workflows.
Works offlineData stays with you
What to know▼
How it works
A Windows screenshot tool with fast capture modes for screen, window or selected area, plus 10+ annotation tools, automatic clipboard copy and local saving.
What's different
A floating capture panel designed not to steal focus from work or games, with local-first storage — screenshots stay on the device.
Best for
Windows users who want a clean, everyday screenshot flow without a heavy or noisy tool.
We check every product on this page once a day and record whether it still answers.
A macOS menu-bar app that reminds you to look away on a 20-20-20 schedule, with optional camera-verified breaks processed locally — no video ever leaves your Mac.
Works offlineData stays with you
What to know▼
How it works
A macOS menu-bar app that gives 20-20-20 eye-break reminders, blink and posture nudges, focus stats, and smarter display sleep, with optional camera-verified breaks.
What's different
Local-first and Apple-notarized; camera-verified breaks are processed on-device and no video is ever recorded.
Best for
Mac users who spend long stretches at a screen and want automatic eye-break reminders.
We check every product on this page once a day and record whether it still answers.
A local, offline security toolkit for encrypting files and managing credentials with no cloud, no accounts and no telemetry — for privacy-conscious users who want full control of their data.
No sign-upWorks offlineData stays with you
What to know▼
How it works
A local, zero-telemetry security suite for encrypting files and managing credentials with AES-256-GCM, runnable entirely offline via installer or portable USB, with no cloud, accounts or subscriptions.
What's different
Fully offline with no cloud middleman, no accounts, and no hidden subscriptions.
Best for
Privacy-conscious users who want to encrypt files and manage credentials without any cloud dependency.
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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 offline
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.
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A self-hosted, local-only time and focus tracker with automatic app tracking and optional AI insights via your own API key — nothing leaves your machine, no account needed.
Watch out · AI insights require you to supply your own API key rather than being built in.
No sign-upWorks offlineData stays with you
What to know▼
How it works
Automatically tracks which apps you use, runs focus sessions with auto-blocking, and builds a live "Brain Graph" of your attention. AI insights are opt-in and use your own API key.
What's different
Runs entirely locally with no account, cloud sync or telemetry, unlike typical cloud-based time trackers.
Best for
Developers and makers who want a self-hosted, privacy-first alternative to cloud time trackers.
Watch out
AI insights require you to supply your own API key rather than being built in.
We check every product on this page once a day and record whether it still answers.
A local-only personal finance tracker with a one-time purchase instead of a subscription, built for under-three-second daily expense logging.
Works offlineData stays with youPay once
What to know▼
How it works
A local-first, serverless personal finance tracker: transactions are logged in under three seconds via a 'Sift Ring' that shows your real-time safe-to-spend balance, with all data kept on your own device.
What's different
No subscription, no cloud sync, no external tracking accounts — a one-time purchase instead of the recurring-subscription finance-app model.
Best for
People who want to log daily spending quickly and keep their financial data entirely off the cloud.
