klera

Budget tracker app · Updated 6 September 2026

A budget tracker app that speaks up before the money is gone.

Most budget apps are autopsies: a chart at the end of the month explaining what already happened. Klera sets one monthly total, watches it on your phone, and alerts you while the answer can still change what you do — privately, offline, with no account and no bank login. Free on Android, AES-256 encrypted, and every feature works in airplane mode.

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Free · No sign-up · Alerts computed on your phone

A budget planner app tells you the split. A tracker holds you to it.

The two get sold as one thing, and they are not. Planning is a decision you make once a month; tracking is a comparison that has to run every day in between.

A budget planner app
Answers "what should the split be?" It is the start-of-month tool: income in, allocations out, a plan on a page. Planning is arithmetic, and it does not need your data to leave the room — a rule like 50/30/20 fits on the back of an envelope.
A budget tracker app
Answers "am I still on the plan?" — today, mid-month, before the next purchase. It has to hold the plan and the actual spending in the same place, compare them continuously, and say something while the answer can still change your behaviour.

A monthly budget app worth keeping does both, and the month has a ritual to it:

  1. Plan the split once Decide what share of the month goes to needs, wants, investments and learning. If you have never done it, start from the 50/30/20 rule and adjust — the free 50/30/20 calculator does the arithmetic in your browser.
  2. Set one monthly total in Klera Not fifty category limits — one number, split across the four buckets. Pick a preset (Balanced, Saver, Investor, Student) or drag the split yourself.
  3. Log as you spend Three taps, a spoken sentence, a captured UPI notification or an imported statement. The tracker is only as honest as the ledger under it.
  4. Let the alerts do the mid-month work Threshold and overspend alerts fire from the phone as a bucket fills — you do not have to remember to check.
  5. Review, then reset The budget is monthly by design: a new month starts fresh against the same split, so one bad fortnight does not poison the rest of the year. Adjust the split if the month taught you something.

For the planning half, the 50/30/20 calculator splits an income into needs, wants and savings in your browser, with nothing uploaded. The rest of this page is about the tracking half — the part apps usually fake with a pie chart.

Every budget tracker is a spending tracker first

You cannot budget what you have not logged. The reason most budgets die is not the plan — it is that logging became a chore and the ledger went stale, so the budget was comparing the plan against fiction. A spending tracker app lives or dies on how little it asks of you per entry. Klera gives you four ways in, all of them on the device:

  1. Three-tap quick add Amount first, category chip, done. The fastest path is the one you will still be using in month three.
  2. Say it, in English or Hinglish Voice add and natural-language entry: "200 chai, 300 fuel, 200 movie" becomes three categorised expenses as editable cards.
  3. Capture UPI and bank notifications Optional and allowlisted: transaction notifications your phone already receives are parsed on the device — no bank login, no server.
  4. Import the statement PDF, Excel or CSV — including PhonePe, Google Pay and Paytm statements — parsed on the phone with auto-categorisation, duplicate detection and one-tap undo. Years of history without giving anyone your inbox.

Once the ledger is honest, the rest is free: a spend heatmap, category trends, top merchants, cash-vs-digital split, savings rate and a yearly Money Wrapped — all computed locally. For the ledger side in full, see the expense tracker app page; for everything beyond budgets — accounts, investments, loans, udhaar — the money manager app page.

A budget app with alerts — before, not autopsies after

This is the part that makes a tracker a tracker. A chart on the 31st is history; an alert on the 14th is a decision you can still make. Klera evaluates these on the phone, from the local ledger:

Budget threshold alerts
A heads-up as a bucket approaches its share of the monthly total — the alert that arrives while the answer can still change what you do next.
Overspend alerts
The plain statement that a bucket has gone over. Better on the day it happens than in a chart three weeks later.
Low-balance alerts
Budgets fail quietly when the account under them runs dry. A low-balance nudge catches the failure the budget maths cannot see.
Bill reminders and a weekly money story
Scheduled rent, EMIs and SIPs post themselves with reminders, and an optional weekly digest tells you where the month is heading.

The design constraint matters as much as the feature: every alert type is off by default behind a master switch, quiet hours run from 10 PM to 8 AM, and amounts stay out of the notification shade unless you opt in. A budget app that nags is a budget app that gets uninstalled — and an alert computed on your phone is an alert no server had to watch your spending to send.

The four-bucket monthly budget

Klera's budget is one monthly total split across four buckets — Needs, Wants, Investments and Learning — with presets (Balanced, Saver, Investor, Student) if you would rather not invent the split. This replaced per-category budgets, on purpose.

Fifty category limits look like rigour and behave like homework. Each one is a guess, each guess needs maintaining, and the first month that "Dining" busts while "Groceries" sits unused, the whole edifice starts to feel like a lie — which is roughly when people quit. Four buckets ask the only question the month actually turns on: is the split between essentials, discretionary spending and your future holding? Categories still exist and are still tracked — trends, top merchants, the heatmap all run per category — they just are not each carrying their own budget cap.

The honest limit: if per-category or per-envelope enforcement is what keeps you honest — a hard wall around every rupee — Klera's bucket model will feel loose to you. The stricter methods have their own pages: envelope budgeting gives every category a walled allowance, and zero-based budgeting gives every rupee a job before the month starts. Both explain what Klera can and cannot do for the method.

An AI budgeting app that doesn't read your budget in the cloud

Most "AI budgeting" is a chat box in front of a cloud language model: your transactions are packaged, uploaded, and summarised back at you. The insight may be fine; the copy of your ledger now on someone's server is the price.

Klera's assistant, Ask Klera, takes the other trade. It is a deterministic on-device engine — no cloud model, no bundled LLM, no network call. Your question is matched against a catalogue of question shapes, and the answer is computed arithmetically from the local database, so figures are calculated rather than generated. Ask "can I buy a phone for 30000?", "where did my money go this month?", or "anything unusual this month?" in airplane mode and it answers, showing the figures it used. The conversation is never stored, logged or uploaded. The honest cost: it answers a known, growing set of questions and refuses the rest, instead of improvising a paragraph about anything. For money, we think that is the right side of the trade — the full design is on the AI expense tracker page.

When Klera's budgeting is the wrong fit

Stated plainly, because the wrong user will be disappointed and we would rather they use a tracker that fits.

  • You budget per category and want it enforced. Klera budgets one monthly total across four buckets; there are no individual category caps. A strict envelope-style or zero-based tool suits you better.
  • You share a budget across two phones or two people. A household budget wants a synced ledger, and Klera does not sync — your data lives on one device, with an encrypted backup in your own Google Drive to move it to a new phone.
  • You want the budget fed by your bank, hands-off. Klera never connects to banks. Spending arrives by quick add, notification capture or statement import — deliberate, on-device, and some of it is on you.

If none of those describes you, trying it costs nothing: no account to create, none to close. Why the on-device architecture is worth these trades is the subject of the offline expense tracker page and the privacy policy, which lists every network call the app makes.

Budget tracker app FAQ

What is the difference between a budget tracker and an expense tracker?

An expense tracker records what you spent — it is the ledger. A budget tracker adds a plan to the ledger and continuously compares the two: you set a monthly total, the app measures spending against it, and it alerts you as you approach or cross the line. Every budget tracker is an expense tracker underneath, because you cannot budget what you have not logged. Klera is both: full expense and income tracking, with a bucket budget and threshold, overspend and low-balance alerts on top.

What is the best free budget tracker app without an account?

Klera: Offline Expense Tracker (Google Play package com.kleraapp) is free with every feature included, has no sign-up of any kind, and keeps the budget and ledger in an AES-256-encrypted database on your phone. Whether it is the best for you depends on what you need: Money Manager is the most established manual tracker, and Cashew is the open-source option that syncs. Klera’s distinct ground is budgets with proactive alerts, an on-device AI assistant, investments with XIRR, loans and udhaar — all offline. If you need per-category budget enforcement or a shared household budget across devices, a different app fits better.

How do overspend alerts work in Klera?

The budget is one monthly total split across four buckets — Needs, Wants, Investments and Learning. As spending in a bucket approaches its share, a threshold alert fires; if it crosses, an overspend alert does. Everything is evaluated on the phone from the local ledger — no server watches your spending. Every alert type is off by default with a master switch, quiet hours run from 10 PM to 8 AM, and amounts stay out of the notification shade unless you opt in.

Can I set a budget for each category?

No — and that is deliberate. Klera replaced per-category budgets with the bucket model: one monthly total split across Needs, Wants, Investments and Learning. Fifty category limits look rigorous and mostly get abandoned by February; four buckets answer the question that matters — is the essential/discretionary/future split holding? If strict per-category or per-envelope enforcement is what keeps you honest, an envelope-budgeting or zero-based-budgeting app is the better tool, and we say so on those pages.

How does the monthly budget reset?

The bucket budget is monthly by design: it is one monthly total, so each new month is measured fresh against the same split. You do not have to rebuild anything on the 1st — change the total or the bucket shares only when you want to. Alongside the budget, Klera also has monthly spend goals and savings goals, with the option to lock an account to a savings goal.

Does the budget tracker need the internet?

No. The budget, the alerts, the charts and the AI assistant all compute on the phone, so every feature works in airplane mode — a budget is sums over rows you already hold, and none of that ever needed a server. What you give up is automatic bank sync and multi-device sync; the full accounting is on the offline expense tracker page.

Is there a budget widget for the home screen?

Yes. Budgets is one of eight Android home-screen widgets — alongside net position, this month, udhaar, upcoming bills, goals, accounts and quick add. Widgets read a small locally written snapshot, work offline, and mask amounts by default while app lock is on, until you choose otherwise.

Is an AI budgeting app private?

Only if the AI runs on the device. Most AI budgeting features send your transactions to a cloud language model, which means a third party holds a copy of your budget and your ledger. Klera’s Ask Klera is a deterministic on-device engine instead: your question is matched against a catalogue of question shapes and the answer is computed arithmetically from the local database. No AI provider is called, no model is bundled, the conversation is never stored or uploaded, and it works in airplane mode.

Read next

Set the budget once. Let your phone do the watching.

Free, no sign-up, no bank login — and the alerts, like everything else, are computed on your device.

Get it on Google Play

Klera for iPhone is coming soon

We’re putting the finishing touches on the iOS app — same private, offline Klera, built for iPhone. It’s not quite ready, but it’s close.

On Android? Get Klera now