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Zero-Knowledge budgeting · Encrypted · Sovereign

Take back control of your money.
Keep your data to yourself.

Ozorys replaces the balance that lies with your Money Left to Live On: the only honest number. And everything is encrypted on your device — no one can read it, not even us.

256bits of encryption
0data required
100%offline capable
6languages
Ozorys home screen at full size: the living ring of your money left to live on, today's budget and the month's figures
Ozorys
Left to live on
€650.00
Encrypted locally
AES-256
Zero-Knowledge
AES-256-GCM
No bank aggregator
Free · ad-free
The Money Left to Live On breakdown screen: every envelope itemised
Left to live on
The reality check

Your bank balance is lying to you.

That big number your bank shows you adds up the money you have without subtracting the rent due in five days, the electricity bill, the forgotten subscriptions. It lies by omission — and that lie is where difficult month-ends are born.

Ozorys replaces it with a single honest indicator, your Money Left to Live On, which answers the only question that matters: how much can I spend today, with peace of mind?

  • Income, minus fixed charges, minus savings — the rest is yours.
  • Three envelope natures — fixed charge, variable spending, savings — each with its own effect on the number.
  • You stop flying blind. You know.
The features

A complete vault, shaped to your hand.

Every module can be switched on or off at will. Your Money Left to Live On is always there.

The living ring

Your Money Left to Live On breathes at the centre of the screen — golden halo, soft reflections, and the "safe to spend today" figure recalculated every day.

The 15-second habit

Two-tap entry, actual or planned. Learning memorises your habits — payee, amount, category — to pre-fill the next one.

Calendar & due dates

Salary, rent, bills: every due date in its place, with gentle reminders. You will never be caught off guard again.

Analytics & Footprint

Where your money really goes, which day you spend the most, your three biggest posts — all computed on the device, without judgement.

The Guardian & the Coach

The Guardian hunts duplicate subscriptions and anomalies; the Coach and the Safety Cushion keep your number in the green.

The "What if?" simulator

Test a purchase's impact on your budget before you make it. Convinced? One tap, and it's recorded for real.

Projects & projections

Save towards a dated goal — fixed charge, variable spending or savings, with the exact budget impact — and watch your cumulative surplus grow.

The Chronicle

Daily encrypted snapshots, code-protected time travel, the sealed Capsule and the Grand Journal of your year: your budget now has a memory.

The Trash

Every deletion is captured. A slip of the finger? Restore in two screens, protected by your code. Nothing is ever lost by accident.

Reports & Sealed Report

Monthly PDF statements, on-demand reports over any period — and the Sealed Report, tamper-proof thanks to its SHA-256 fingerprint.

Multi-currency

Earn in XPF, spend in euros: Ozorys blends it all into one coherent number, without ever losing you in conversions.

Tribe & multi-vault

A household budget shared across two devices, end-to-end encrypted, every entry signed by its author. And separate vaults — personal, business, shared.

Seeing clearly

To understand is already to decide.

Logging is good. Understanding is better. Ozorys turns your spending breakdown into a picture — and often reveals surprises: that 'little treats' line heavier than you thought, that ghost subscription.

The goal isn't guilt, but conscious choices. Once you can see, you can choose.

The Footprint tells you what no bank statement ever will: "you spend the most on Fridays", "a calmer rhythm than last month", your top three spending posts right now.

Nothing leaves your device to produce these insights. The data doesn't judge you; it enlightens you — 100% on-device.

  • Spending by category, at a glance.
  • Savings projected toward your yearly goal.
  • The Guardian flags duplicate subscriptions and anomalies.
  • The Grand Journal tells your year's story: total saved, best month, consistency.
Ozorys Analytics: spending breakdown by category (donut chart) and savings projection
Analyses
The finishing touches

What gets polished when no one is watching.

A premium application shows in its seams. Here are six of them, already inside your vault — you will meet them at the pace of your own practice.

The opening ritual

Every session opens like a jewel case: your name, the ring coming alive, the figures unveiling themselves. Three seconds of ceremony, every day.

The “Verified” stamp

Tick each entry against your bank statement; a golden stamp seals what has been checked. Reconciliation, goldsmith's edition.

The integrity check

Every backup can be audited down to the bit; at the slightest snag, the app names the exact piece at fault.

My vaults

Several separately encrypted vaults — the household, the project, the secret garden — and you switch between them with a single tap.

Accounting export (OFX)

Your entries export in the format accounting software expects: Ozorys also speaks your accountant's language.

The ambiences

Eight atmospheres to dress the vault, including exclusive editions: your money, in your light.

Zero-Knowledge warning: Ozorys can never recover your data on your behalf
Zero-Knowledge
The fortress

Built to know nothing about you.

Your data is encrypted on your device with AES-256-GCM, the key derived from your secret code through 600,000 iterations of PBKDF2. It never leaves your phone. Even full access to our servers would reveal nothing but unreadable packets.

And around the encryption, a whole arsenal:

  • Stealth Mode — every amount blurs with one gesture, on the train or at the office.
  • The Three-Strand Safety Net — device, encrypted file, Tribe cloud: three nets and a health indicator.
  • Paper QR backup — your recovery key on paper, the ultimate cold storage.
  • GDPR purge — one button destroys local keys and encrypted packets. The right to be forgotten, in one second.
A full-scale demonstration

Shake it. Locked.

In the app, one sharp shake triggers the Panic Shake: instant vault lock, vibration, event written to the Security Log. Try it right here — shake your phone, or whip the mouse around.

Motion sensors active on mobile · shake the mouse on desktop
The Chronicle

Your budget now has a memory.

Every day, Ozorys freezes an encrypted snapshot of your vault in an isolated store. An entry mistake discovered three days later? Travel back in time: pick a date, compare the differences, restore — all protected by your code.

Want to freeze a moment forever? The Capsule seals a dated, tamper-proof photograph of the whole vault into a self-contained encrypted file. And at month's end, the Closing ceremony seals the chapter just lived.

  • Daily encrypted snapshots, guided three-screen restore.
  • The time slider, to revisit your number month after month.
  • The Grand Journal: your year's story, written by your own numbers.
Restore from a date: Ozorys time travel
The Chronicle
Your turn

Work out your Money Left to Live On.

Move the sliders — in euros, Pacific francs or dollars. This is what Ozorys computes for you, in real time.

Your Money Left to Live On
€890
≈ €206 / week
Indicative simulation. Fixed exchange rates for illustration.
Savings in 1 year
Savings in 5 years
100% local computation: nothing is sent, nothing is stored. That's the Ozorys way already.
Encryption, live

Write a secret. Watch it vanish.

Real AES-256-GCM runs in your browser, the key derived from your code. A lightened demonstration: the app itself derives the key with 600,000 iterations.

Your data, in the clear

What the servers see

Unreadable without your key — which is stored nowhere else.
Cold Budget Technology — your figures kept cold: encrypted at home, unreadable anywhere else.
Ready to seal — the key will be born from your code.
Salt · 16 bytes IV · 12 bytes Data + GCM tag · bytes SEC4 — the app's exact format
Five questions, zero data

Which sovereign are you?

One minute to discover your profile — and the allies Ozorys has built for it. Your answers never leave this page.

  1. Day to day, your money is…

    • A shared pot — couple, flatshare or family
    • High months, low months
    • Two currencies, sometimes two countries
    • A strictly private matter
  2. What wears you down the most:

    • Converting in my head at every purchase
    • Apps that resell my habits
    • The 'was it you or me who paid?'
    • Dreading next month
  3. On public transport, your phone:

    • Screen tilted away from prying eyes
    • Buzzing to the household's rhythm
    • Juggling time zones and currencies
    • Doubles as a mobile office
  4. The feature that makes you say 'finally':

    • Forecasting + manual reconciliation
    • Native multi-currency (€, ₣ XPF, $…)
    • Shared ledger, author identified
    • Stealth Mode + GDPR purge
  5. In five years, you want:

    • Wealth built together
    • Zero trace: everything under your key
    • A cash cushion that sleeps soundly
    • A project between two horizons
Four lives, one peace of mind

Designed for your everyday.

L
Expat & traveller

Léa, between Nouméa and Paris

She earns in XPF, sometimes spends in euros, and saves for a project back in France. Ordinary apps get lost; Ozorys juggles currencies natively.

One coherent number, whatever the currency of the moment.
M
Family — Tribe Mode

Marc & Sophie, one household budget

Two phones, one home. Each records their own spending, the author is always identified, and the sync carries nothing but encrypted packets.

No more penny-counting arguments, and nothing exposed.
Y
The freelancer

Yanis, feast-or-famine income

His income is irregular. With planned entries and the Simulator, he anticipates the lean months and puts money aside in the fat ones.

An employee's serenity, a freelancer's freedom.
I
The private mind

Inès, fiercely private

She refuses to let anyone resell her habits. Stealth Mode on public transport, offline so that nothing ever leaks.

Her finances are her business. Literally.
The guide

Seven days to take back control.

Thirty-one pages that explain it all: Money to Live On, the encryption, the thirty-second move. One chapter a day, one concrete action at the end of each.

  • Money to Live OnWhy your balance lies, and which subtraction tells the truth.
  • The fortressZero-Knowledge explained without a single equation.
  • The netThree backups, and the paper key that never breaks down.
Download the guide PDF · 31 pages · 2.2 MB

No address to leave. No email, no account, no form: the link downloads, that's all. We sell sovereignty — we weren't going to collect yours on this page.

Prefer learning online? Take the Foundations Course — 26 guided modules →

The plans

Four tiers, one philosophy.

Your Money Left to Live On stays free, for everyone, forever — no ads, no data resale. The tiers unlock depth, sharing and the fortress, with a simple activation code.

Available
Discovery
0 € — free forever
Individual sovereignty, 100% offline. Everything you need to understand your money — and love it again.
  • The living ring & unlimited entries
  • Fixed / variable / savings envelopes, calendar, ledger
  • Full Zero-Knowledge, offline, Stealth Mode
  • Trash, encrypted export & CSV
Open my vault
Coming soon
Solo Standard
39.99 € / year
The depth. Your local vault at full power — still no cloud.
  • Everything in Discovery, plus:
  • The Chronicle: time travel, Capsule, Grand Journal, closing
  • Learning, Coach, Cushion, Guardian, Footprint
  • Simulator, projections, three-way projects
  • Monthly & on-demand PDF reports
Keep me posted
Coming soon
Tribe Premium
59.99 € / year
The sharing. One household, several devices, zero exposure.
  • Everything in Standard, plus:
  • Tribe Mode: shared vault, encrypted sync, QR pairing, authors
  • Multi-vault: personal, business, shared + all-vaults overview
  • Encrypted cloud backup — the net's third strand
  • Sealed Report: the tamper-proof document (SHA-256)
Keep me posted
Coming soon
Tribe Ultra
89.99 € / year
or €199 once — for life
The full fortress, so you never think about it again.
  • Everything in Premium, plus:
  • All 8 ambiences + exclusive editions
  • Paper QR backup — the ultimate cold storage
  • Encrypted receipts & supervised child vaults (upcoming)
  • Priority support
Keep me posted

Every paid plan comes with a free 14-day trial — time enough to make the vault your own.

Contact

A question? Write to us.

A form that asks for nothing: no account, no tracker, and your email only if you want a reply. True to form, all the way.

What this form does not do: it creates no account, sets no tracker, uses no third-party service, and keeps nothing. Your message goes to our mailbox and is stored nowhere.

Prefer your own mail app?

contact@ozorys.com
Frequently asked questions

Everything you're wondering.

Yes. The app launches free of charge, with no ads, and your data is never sold. Paid tiers unlock depth, sharing and the fortress — never the essentials.

No, never. Ozorys uses no bank aggregator and asks for no credentials. You enter only what you choose to track.

Your data becomes permanently undecipherable — which is precisely what makes it impossible to crack. Hence the importance of regular encrypted backups, and of the paper QR backup.

Not in Solo Mode: Ozorys runs 100% offline. The internet is only used for Tribe Mode's encrypted sync between your devices.

Yes, with Tribe Mode: everyone records their own transactions, the author is always identified, and everything syncs fully encrypted — without ever exposing your finances.

The Trash captures recent deletions and edits, and Time Travel keeps daily encrypted snapshots: you restore a precise state in a few taps, protected by your code.

The Sealed Report produces a PDF bearing a cryptographic seal (SHA-256 fingerprint) — tamper-proof and verifiable — to prove income, archive a dispute or hand over a statement.

Yes. You can attach a photo of a receipt to your transactions: the proof is encrypted and stored locally. Syncing attachments to the encrypted cloud arrives with the Tribe tiers.

Solo Mode keeps everything on your phone, 100% offline. Tribe Mode links a household's devices through end-to-end encrypted sync (a simple QR code): everyone records their own entries and the author is identified, without ever exposing your finances.

You restore your vault from a JSON backup (even fully offline) or, in Tribe Mode, from the encrypted cloud sync. Your secret code remains the only key: make regular backups — they are your best insurance.

You export your entire ledger as JSON and CSV, at any time. You are never locked into the app or a proprietary format.

The app and this site speak six languages: French, English, Spanish, Portuguese, Italian and German. Multi-currency, for its part, speaks every money.

The oath

What we will never do.

7
ads
3
trackers
9
bank aggregators
5
readable bytes on our servers
8
key — yours
Counted, verified, encrypted: the ledger of our promises fits on one line.

Trust is not declared; it is proven by architecture.

Sell your data

No exploitable data ever leaves your device. We have nothing to sell.

Spy on you

Zero trackers, zero third-party analytics, zero spy pixels in the app.

Read your secrets

Zero-Knowledge encryption makes us mathematically blind.

Connect to your bank

No bank aggregator. Ever. Your credentials stay with you.

Lock you in

Free export (JSON, CSV, PDF…). Your data follows you, always.

Sovereignty is waiting for you.

Open your vault in under a minute. Free, with not a single piece of data asked of you.

Proof, not promises

Your money stays unreadable — even to us.

OzorysTypical bank aggregators
Bank connectionNone. You enter what you want to track.Required: a third party accesses your accounts.
Where your data livesAES-256-GCM encrypted on your device.On the service’s servers, open to analysis.
Business modelTransparent paid tiers, taxes included.Often free — funded by your data.

Generic comparison with the account-aggregator category; no service is named. All prices below include VAT.

Open Ozorys

The web app installs in an instant on your phone or computer — nothing to download from a store, nothing to fill in.

Launch the app Soon on Google Play