Stax Pay vs Finix Checkout
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stax Pay
This comprehensive payment processing toolset offers on-the-go business insights, cash flow management, and the ability to accept various payment types. It streamlines operations by allowing users to process refunds, send invoices, and manage customer data securely.
- Accept Visa, MasterCard, Discover, and American Express
- Process refunds and accept tips
- Send invoices and manage customer data
- Securely store payment methods
- Email receipts to multiple recipients
- PCI-Compliant tokenization
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Stax by Fattmerchant provides a flexible, scalable, all-in-one payments toolset so that you can move faster, think smarter, and make better decisions. The Stax Pay mobile app gives you powerful insights on-the-go, enabling you to spot trends, manage cash flow, and improve business performance wherever you happen to be. And, of course, you or your team can accept payments, process refunds, invoice customers, and much more all without having to download a separate app. With Stax Pay you can: - Swipe EMV chip cards with our optional bluetooth Stax mobile reader - Accept Visa, MasterCard, Discover, and American Express - Accept tips, apply discounts, and issue refunds - Key-in, swipe, dip, or photo capture card details - Email receipts to multiple customers and internal staff - Securely store payment methods for future transactions - Automatically sync payments and data to the Stax platform - Receive deposits to your bank account automatically on the next business day - Manage customers in real-time and send invoices, update contact information, and add new payment methods - Stay protected from liability with PCI-Compliant tokenization technology for managing credit card information The Stax Pay mobile app is all you need to run and grow your business, wherever you happen to be. We hope you’ll give it a try!
Finix Checkout
This app helps businesses manage payments and customers efficiently. It allows for accepting card payments, sending payment links, and tracking transactions in real-time. Users can also search and filter payments and send receipts to clients.
- Accept card payments
- Send payment links
- Real-time transaction tracking
- Search and filter payments
- Send customer receipts
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Run your business with Finix Checkout. Accept payments, manage customers with ease. - Accept card payments with a streamlined checkout experience - Make and send payment links - View transactions, authorizations, and refunds in real time - Search and filter payments to find what you need quickly - Send receipts to your customers Download Finix Checkout today to run your business smarter, faster, and more efficiently.
Screenshots
Verdict
The clearest difference is rating: Finix Checkout at 4.7 against Stax Pay's 2.1. Finix Checkout also leads on update cadence (fortnightly vs monthly). Stax Pay's advantage is review sentiment (36% vs 0%) and ratings volume (27 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Finix Checkout holds the better App Store score, 4.7 against 2.1. Both are backed by a comparable volume of ratings — 27 and 6 respectively. Written reviews complicate that: 36% of Stax Pay's written reviews are positive against 0% of Finix Checkout's, so the app with the better star average is not the one people write more warmly about.
Stax Pay ships an update monthly, Finix Checkout fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.
| Parameter | Stax Pay | Finix Checkout |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (27 ratings) | 4.7 (6 ratings) — better |
| Positive reviews | 36.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 27 — better | 6 |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 — better | 18.1 |
| Further details — not scored | ||
| Size | 232 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Fattmerchant Inc. | Finix Payments |
Customer experience
Stax Pay
Finix Checkout
In-app purchases
Stax Pay
No in-app purchases
Finix Checkout
No in-app purchases









