Excellent app
Excellent app! I used to struggle with remembering when my bills were due, but ever since I started using this app, that’s no longer a problem. Now I can keep my payments organized and on time. Highly recommend it!
Free
In-App Purchases
About
This app helps you manage your bills and track your money without the complexity of a full budgeting tool. See upcoming payments, mark them as paid, and view your financial history. It offers optional reminders and account tracking for a clear overview of your finances.
✓Add bills with due dates, amounts, and categories
✓Mark bills as paid and view payment history
✓Calendar view for upcoming bills
✓Track bank accounts, cards, and cash
✓Projected balance calculation
✓Optional reminders for due dates
✓Cross-device sync
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+3
What's New in ONYX
1.3
October 22, 2026
A big reliability update: • Sync is more dependable — deleted expenses stay deleted and months no longer duplicate across devices • Autopay expenses no longer change your manual account balances • App Lock now covers every screen and won't lock you out after a quick interruption • AI bill suggestions from linked banks are now opt-in (Settings) • Statement import reads more bank formats, including quoted fields and European amounts • All expenses follow your default currency • Payee names keep their original capitalization • Clearer subscription pricing in your local currency • Many smaller fixes and polish
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Subscriptions & In-App Purchases
ONYX Black Monthly
The full ONYX experience.
$9.991 Month
3 Days trialUser reviews
FAQ
What is ONYX?
ONYX is a bill and money tracker designed for iPhone. It helps you see what bills are due, what you've paid, and what your projected balance is, without the complexity of a full budgeting app.
Does ONYX have ads?
No, ONYX does not contain advertisements. The app is free to use with optional premium features available through a subscription.
How much does ONYX cost?
The base ONYX app is free. The optional ONYX Black subscription offers advanced features like bank sync and unlimited expenses, with monthly ($9.99) and annual ($99.99) plans available, both including a 3-day free trial.
What devices does ONYX support?
ONYX is currently built for iPhone and supports Home Screen and Lock Screen widgets for upcoming bills.
How does ONYX handle data security and privacy?
Your data is tied to your account and synced across devices when you sign in. The app has a privacy policy available at https://pixelarclabs.com/privacy and terms of use at https://pixelarclabs.com/terms.
Can I sync my bank accounts with ONYX?
Yes, bank sync is available with the optional ONYX Black subscription, utilizing Plaid to provide live balances, recent activity, and bill suggestions.
How often is ONYX updated?
The app was last updated on October 22, 2026, with version 1.3. It is developed by Pixel Arc Labs, an iOS studio focused on useful tools.
What are the benefits of ONYX Black?
ONYX Black offers bank sync via Plaid for live balances and activity, unlimited expenses and manual accounts, and the ability to export your data to CSV or Excel formats.