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Free interactive personal-finance calculators that run entirely client-side, for people who don't want their financial data leaving their device, instead of clunky table-based calculators.
FreeNo sign-upData stays with you
What to know▼
How it works
Runs 100% client-side; visual charts for savings, debt payoff (Snowball vs Avalanche), FIRE retirement simulation
We check every product on this page once a day and record whether it still answers.
A dead-simple expense tracker: type a shorthand phrase like 'coffee 12' and it's logged and categorized instantly. Data stays on your phone, with no bank linking or account required.
Watch out · Because there's no bank linking, entries rely on you remembering to type them rather than automatic transaction capture.
No sign-upData stays with youNo ads
What to know▼
How it works
Type a shorthand phrase like 'coffee 12' and it's instantly logged and categorized as an expense.
What's different
No bank linking, no signup and no ads — data stays on your phone rather than syncing to a server.
Pricing
No signup required.
Best for
People who want expense tracking simple enough to actually stick with, without linking a bank account.
Watch out
Because there's no bank linking, entries rely on you remembering to type them rather than automatic transaction capture.
We check every product on this page once a day and record whether it still answers.
An offline subscription tracker with no bank linking, account or cloud sync, for anyone tracking recurring costs without handing over financial data, not just developers.
Watch out · Built solo by a self-taught developer using AI-assisted workflows, with no team or funding behind it.
No sign-upWorks offlineData stays with you
What to know▼
How it works
Tracks subscriptions, renewal dates and costs entirely on-device across 170+ currencies, with no account, bank linking or cloud sync.
What's different
Skips bank login entirely, unlike most subscription trackers.
Best for
People who want to track recurring spending without handing over financial data.
Watch out
Built solo by a self-taught developer using AI-assisted workflows, with no team or funding behind it.
We check every product on this page once a day and record whether it still answers.
An iOS/Apple Watch app that tracks subscriptions and recurring bills with local, private data and reminders to avoid surprise charges.
Watch out · iOS and Apple Watch.
No sign-upWorks offlineData stays with you
What to know▼
How it works
Tracks subscriptions, recurring bills, and automatic payments in one dashboard with smart reminders, widgets, and Apple Watch support, storing data privately on-device.
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An offline subscription manager that encrypts financial data locally, warns about trial expirations, and calculates the long-term cost of recurring subscriptions.
Works offlineData stays with you
What to know▼
How it works
Encrypts data locally with AES-256 with no bank link or cloud account, sends timed trial-ending warnings, calculates 5/10-year subscription costs, and can generate WhatsApp bill-split reminders.
Best for
People who want to track and cut subscription costs without linking a bank account or uploading data.
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Private expense tracker based on the 50/30/20 budgeting rule, no login, one-time payment.
No sign-upData stays with youPay once
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.
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Free calculator toolkit for Dutch home buyers covering buyer's costs, local market trends, and rent-vs-buy math.
FreeData stays with you
What to know▼
How it works
Estimates buyer's costs (transfer tax, notary fees), local overbidding trends for 65+ Dutch cities, and rent-vs-buy math, with an AI assistant for Dutch housing law; runs client-side with no account.
What's different
Unlike bank calculators, it sells no data and hides no costs.
Pricing
Free.
Best for
First-time home buyers in the Dutch housing market.
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A free Chrome extension that lists every subscription you pay for and warns you before renewals, with no bank linking, no sign-up, and no data leaving your browser.
FreeNo sign-upData stays with you
What to know▼
How it works
A Chrome extension that lists every subscription you pay for, shows total monthly and yearly spend on a dashboard, and sends renewal reminders before a subscription renews.
What's different
Works without linking your bank account or signing up, with no data leaving your browser.
Pricing
Free.
Best for
People who want to track subscription spending and avoid surprise renewals without connecting their bank.
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An envelope-style budget tracker that imports bank statements and categorizes spending entirely in your browser, for a one-time payment with no subscription and no data upload.
Data stays with youPay onceNo subscription
What to know▼
How it works
An envelope-style budget tracker that imports bank statements, auto-categorizes spending, and tracks recurring bills, storing everything in the browser.
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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
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A free, no-login personal finance toolkit for tax, SIP, EMI, HRA, retirement, FIRE, and decisions like Rent vs Buy, with all inputs kept on your device.
FreeNo sign-upData stays with you
What to know▼
How it works
Offers calculators and planning tools for taxes, investments (SIP), loans (EMI), retirement/FIRE, and comparisons like Rent vs Buy or Prepay vs Invest, all without an account and without uploading your data.
Pricing
Free.
Best for
People who want private, no-login personal finance calculators for Indian financial decisions.
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Organizes your financial life — people, decisions, assets, liabilities, transactions — into one searchable personal history, built privacy-first for individuals tracking their own finances.
Works offlineData stays with you
What to know▼
How it works
Organizes a person's financial life — people, decisions, events, assets, liabilities, obligations, transactions — into a structured, searchable history called a Financiography.
What's different
Privacy-first and offline-first: built as a personal system of record rather than a cloud-synced budgeting app.
Best for
Individuals who want a long-term, private record of their financial history and the reasoning behind it, not just a transaction tracker.
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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.
Watch out · On iOS there's no auto-detection of bank notifications — you have to paste the alert manually into Smart Paste.
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.
We check every product on this page once a day and record whether it still answers.
Free offline-first personal finance app for tracking budgets, expenses, multiple wallets and currencies and savings goals without connecting a bank account.
Watch out · does not sell or share user data
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
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A private personal budgeting app that runs entirely locally in your browser with no signup, subscription or data upload, instead of a cloud-based budgeting service.
No sign-upWorks offlineData stays with you
What to know▼
How it works
runs fully locally in the browser, keeping all budgeting data on-device with no account or subscription required.
Best for
individuals who want personal budgeting without sending financial data to a server.
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Estimates how many months you could cover expenses if your income stopped, no bank connection needed. A one-time-purchase, on-device check, not a subscription budgeting app.
Data stays with youPay onceNo subscription
What to know▼
How it works
Answers a few honest questions, with no bank linking, to estimate how many months you could cover expenses if your income stopped, then lets you check in daily and model the next 30, 60, or 90 days.
What's different
No bank linking required, and your data stays on your device.
Pricing
One-time purchase, no subscription.
Best for
People who want to know their financial runway without connecting a bank account.
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Free privacy-first salary tools — calculate a raise, convert salary to hourly, check a raise against inflation, and compare two job offers, all in your browser with nothing stored.