How Aventurine compares to Monarch, YNAB, Simplifi and Copilot

The leading personal-finance apps are cloud subscriptions: your transaction history lives on their servers, your bank login goes to an aggregator, and the app stops working the month you stop paying. Aventurine is the opposite of all three. Here is the whole difference, line by line, including what each of the others does well.

Prices are US list prices published by each vendor · Last checked

The short answer

Pick Aventurine if you want your financial data to stay on your own computer and you would rather not pay anyone for the privilege. It is a desktop app for Windows and Linux that keeps everything in one encrypted SQLite file, in a location you choose, has no account, no server and no telemetry, and reads the export file your bank already gives you.

The subscriptions buy convenience: overnight bank sync and a phone app. Monarch, YNAB, Simplifi and Copilot all connect to your accounts through an aggregator and all run on mobile. Aventurine reads the export file your bank already gives you, which takes a few minutes every few weeks and means no company but you ever holds your history.

The comparison matrix

Twenty-five things worth knowing before you commit your financial history to a piece of software.

Aventurine compared with Monarch Money, YNAB, Quicken Simplifi, Copilot Money and a manual spreadsheet, across cost, data ownership, transaction handling, platform support and lock-in.
Criterion This one Aventurine Local · free Monarch Money Cloud · subscription YNAB Cloud · subscription Quicken Simplifi Cloud · subscription Copilot Money Cloud · subscription A spreadsheet Local · manual
What it costs
Pricing model Free and open source Subscription Subscription Subscription, annual billing only Subscription Free, or part of an office suite
List price $0, GPL v31 $99.99/yr $109/yr $71.88/yr after a $47.88 first year2 $95/yr Usually already paid for
Cost over five years $0 ≈ $500 ≈ $545 ≈ $335 ≈ $475 $0, plus your evenings
Still works if you stop paying Yes, there is nothing to pay No No No No Yes
Free trial The whole app, free, forever 7-day trial 34-day trial 7-day trial 30-day trial n/a
Where your money data lives
Where the data is stored One file on your disk, at a path you pick The vendor's servers The vendor's servers The vendor's servers The vendor's servers Your disk, or your cloud drive
Data leaves your device Never: there is no networking code to audit Required: syncing is the product Required Required Required Only if you sync the file
Bank login given to a third party Never: Aventurine has no bank connection Yes, via a data aggregator Yes, via a data aggregator Yes, via a data aggregator Yes, via a data aggregator Never
Account and sign-up required No: there is nothing to sign up to Yes Yes Yes Yes Only for the cloud versions
Who holds the encryption key You: AES-256 with your passphrase, never stored The vendor The vendor The vendor The vendor Nobody: not encrypted by default
Breach exposes your history No shared server exists to breach Central store: one breach exposes every user Central store Central store Central store Only what you uploaded
Getting transactions in and out
How transactions arrive You import an export file from your bank Automatic bank sync Automatic bank sync Automatic bank sync Automatic bank sync You type or paste them
File formats it reads CSV, Excel, OFX, QFX, QIF and JSON Varies; CSV is the format they all accept Varies; CSV is the format they all accept Varies; CSV is the format they all accept Varies; CSV is the format they all accept Anything, once you reshape it yourself
Where categorization runs On your machine, offline The vendor's cloud The vendor's cloud The vendor's cloud The vendor's cloud In your head
Cryptic descriptions cleaned up Yes, from a built-in merchant dictionary Yes Partly Yes Yes No
Getting your data back out CSV, OFX, QFX, QIF, plus the database file itself Export on the vendor's terms Export on the vendor's terms Export on the vendor's terms Export on the vendor's terms It is already a file you own
Where it runs
Windows Native desktop app In the browser In the browser In the browser Limited web app Yes
Linux Native desktop app In the browser In the browser In the browser Limited web app Yes
macOS Not yet In the browser In the browser In the browser Native Mac app Yes
Phone No mobile app iOS and Android iOS and Android iOS and Android iPhone and iPad Awkwardly
Works with no internet Entirely: offline is the normal state No No No No Yes, if the file is local
Trust and lock-in
Source code you can read Yes, GPL v33 No No No No Varies
Storage format Open SQLite, readable without Aventurine Proprietary, server-side Proprietary, server-side Proprietary, server-side Proprietary, server-side XLSX or CSV
Tiers and add-ons One product, everything included Core and Plus tiers4 One tier One tier One tier n/a
If the company disappears Nothing changes: it never connected to our servers The service ends The service ends The service ends The service ends Nothing changes

Scroll the table sideways to see every app.

  1. Aventurine is free software under the GPL v3. There is no purchase, no subscription and no paid tier. Donations are welcome but buy nothing.
  2. Quicken Simplifi has been running a promotional first-year rate; the standard rate applies from the second year. Five-year totals assume the promotional first year, the standard rate thereafter, and no price increases by any vendor.
  3. Open source under the GNU General Public License v3: the code can be read, audited, modified and redistributed. Read the source.
  4. Monarch Core is $99.99/yr; Monarch Plus is $199/yr. The five-year figure uses Core.
  5. Competitor prices are US list prices published by each vendor and were last checked on . Prices, trials and platform support change; check the vendor's own site before buying. Aventurine is not affiliated with any product named on this page, and all trademarks belong to their owners.

What you get instead

Six things the subscription apps do differently, and what Aventurine gives you in each one's place.

Bank sync

Every subscription app imports your transactions overnight, through an aggregator that holds your bank login to do it. In Aventurine you download an export and import it yourself: a few minutes every few weeks, and nobody but you ever has your credentials or your history.

On your phone

All four subscriptions have mobile apps. Aventurine is desktop software, built for a large screen where a full year of transactions fits in one table and the charts are big enough to read.

Native on a Mac

Copilot is Apple-first and very good at it. Aventurine ships native builds for Windows and Linux today, with macOS not available yet. The database file moves between platforms unchanged.

Two people, one budget

Monarch covers a couple on one subscription, with shared budgets and joint visibility. Aventurine is one person, one file, one machine, which is the same reason there is no account, no server and nothing to sign into.

A budgeting method

YNAB is a budgeting philosophy with a curriculum and a community behind it, and it teaches that method well. Aventurine shows you what your money actually did, in statements, trends and forecasts, and leaves the conclusions to you.

Backups

A subscription includes a company that keeps a copy of your data on its servers. In Aventurine the whole ledger is one file, so a backup is a copy to a drive, a USB stick or a folder you sync yourself, and every copy stays encrypted and yours.

One at a time

The matrix gives you every line. These give you the decision.

Aventurine vs Monarch Money

$99.99/yr · ≈ $500 over five years

Monarch is the polished successor to Mint and the best of the cloud apps at making a household's finances legible: linked accounts, shared budgets for couples, a genuinely good mobile app. All of it runs on Monarch's servers, and your bank credentials pass through an aggregator to get there.

Aventurine has no sync, no mobile app and no shared household view. In exchange your transaction history never exists anywhere but your own disk, and you stop paying $100 a year to look at your own numbers.

Choose Monarch if you budget with a partner and want it on your phone. Choose Aventurine if you would rather your financial data stayed on your own machine, and pay nothing instead of yearly.

Aventurine vs YNAB

$109/yr · ≈ $545 over five years

YNAB sells a method as much as an app: assign every dollar a job, and the software enforces it. Two decades of refinement, a real community, and the highest price in this comparison. It is also the app people most often describe as having changed their habits.

Aventurine is not a budgeting method. It is a dashboard: import your history, turn cash flow, spending, recurring charges and net worth into charts, and draw your own conclusions. It is built for people who already know where their money goes and want to see it properly.

Choose YNAB if you want to be taught a system. Choose Aventurine if you want the numbers, not the coaching, and want to own them.

Aventurine vs Quicken Simplifi

$71.88/yr · ≈ $335 over five years

Simplifi is the cheapest of the four and the most conventional: automatic sync, spending plan, reports, backed by Quicken's long history in personal finance. Note that billing is annual only, and the advertised price is a promotional first year that steps up afterward.

Aventurine costs once. It also runs with the network cable unplugged, which Simplifi cannot do, and the whole ledger sits in one file you can copy to a USB stick and open with any SQLite tool.

Choose Simplifi if you want the cheapest hands-off sync. Choose Aventurine if a recurring charge for a personal ledger is the part that bothers you.

Aventurine vs Copilot Money

$95/yr · ≈ $475 over five years

Copilot is the best-looking app in this comparison. It is also Apple-first: iPhone, iPad and Mac natively, with a web app for everyone else that has fewer features than the native versions.

Aventurine is the reverse: native on Windows and Linux, nothing on Apple yet, and designed for a large screen and a dense table rather than a phone. Both are carefully designed; only one of them keeps your data off a server.

Choose Copilot if you live on Apple hardware and want the prettiest sync. Choose Aventurine if you are on Windows or Linux, or you would rather your data stayed off a server.

Aventurine vs your spreadsheet

Free · and you already have it open

A spreadsheet already has the two things that matter most: the file is yours, and there is no subscription. That is why so many people never leave. What it costs you is the evening every month spent pasting rows, fixing categories, repairing a formula and rebuilding last year's chart.

Aventurine is what you were building by hand. Same file-on-your-disk ownership, same total absence of a vendor, but the file is parsed on import, categories are applied automatically, and the cash flow statement, spending trends and recurring charges are already drawn.

Stay in the spreadsheet if you enjoy the tinkering. Choose Aventurine if you want everything the sheet gave you and your evenings back.

Switching costs you one file

About ten minutes

Every app on this page exports CSV, so leaving one for Aventurine is a download and a drop, not a migration project.

  1. Export your history from your current app, or straight from your bank, in any format it offers.
  2. Drop the file into Aventurine. Columns are detected, merchant names are cleaned, and rows are categorized on your machine.
  3. Cancel the subscription. Your statements, charts and report card are already populated from the history you just imported.

Questions people ask before switching

What is the main difference between Aventurine and apps like Monarch or YNAB?

Two things. Where your data lives: Monarch, YNAB, Simplifi and Copilot are cloud services, so your transaction history sits on their servers and your bank connection runs through a data aggregator. Aventurine keeps everything in one encrypted SQLite file on your own disk and makes no network connections. What it costs: those apps cost roughly $72–$109 a year and stop working when you stop paying. Aventurine is free and open source, with nothing to pay and nothing to cancel.

Does Aventurine connect to my bank automatically?

No, and that is deliberate: automatic sync means handing your bank login to an aggregator and parking your transactions on someone else's server, which is exactly what Aventurine is built to avoid. Instead you download an export from your bank (CSV, Excel, OFX, QFX, QIF or JSON) and drop it in. Columns are detected, merchant names are cleaned, and rows are categorized on your machine. It is a manual step every few weeks, and it is the reason no aggregator ever holds your bank login.

Is Aventurine open source?

Aventurine is open source, released under the GNU General Public License v3. The full source is published so anyone can read it and confirm there is no networking or telemetry code, and you are free to modify and redistribute it. None of the subscription apps on this page publish their source at all. Audit the codebase.

Can I move my data over from my current app?

Yes. Export your transaction history as CSV from Monarch, YNAB, Simplifi, Copilot or your bank directly, then import that file. Your history is parsed and categorized on import, so the statements, charts and report card fill in immediately instead of starting empty.

What happens to my data if Aventurine shuts down?

Nothing. The app on your machine keeps running because it never connected to our servers, and the database is a standard SQLite file that any SQLite tool can open with or without Aventurine. That is the difference a local-first architecture makes: when a cloud app on this page shuts down, the data it holds becomes unreachable.

Is my data encrypted?

Yes, with AES-256 via SQLCipher, using a passphrase only you hold. The passphrase is never written to disk and there is no recovery service, because there is no service. Lose it and the file is unreadable. That is the trade you make for a key nobody else has a copy of.

Which platforms does Aventurine support?

Windows and Linux, as native desktop apps. macOS is not available yet, and there is no mobile app. Your database file is portable between every supported platform.