# TetradPay vs KEEP by Fast FX

The clearest difference is ads: TetradPay at none against KEEP by Fast FX's shown. TetradPay also leads on ratings volume (39 vs 3). KEEP by Fast FX's advantage is update cadence (every 10 days vs every 4 weeks). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for TetradPay against 4.7 for KEEP by Fast FX. That said, the two scores are not equally well evidenced: TetradPay has 39 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 78% of TetradPay's written reviews are positive against 77% of KEEP by Fast FX's.

TetradPay ships an update every 4 weeks, KEEP by Fast FX every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | TetradPay | KEEP by Fast FX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/tetradpay/id1609876055/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/keep-by-fast-fx/id6737156640/reviews) |
| Number of ratings | **39** | 3 |
| Positive reviews | **78.5% of reviews** | 77.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 119 MB | 47 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tetrad Incorporation Limited](https://appshunter.io/developer/1609876357) | [Fast FX](https://appshunter.io/developer/1774985709) |

## What reviewers say

### TetradPay

[App page](https://appshunter.io/ios/app/tetradpay/id1609876055)

Send money instantly and securely to loved ones abroad for various needs like tuition, bills, or housing. Leverage cutting-edge technology for seamless cross-border payments with competitive exchange rates and low fees.

**Highlights:** Instant money transfers, Secure open banking technology, Competitive exchange rates, Low, upfront fees, FCA regulated and HMRC supervised, Easy registration and transfer process

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and reliable transfers
- 💰 Low rates and competitive exchange
- 👍 Easy and seamless to use
- ✅ Efficient customer service
- 💯 Trustworthy and honest

**What reviewers complain about**

- 🐛 Long delays in transfers
- 🐛 Money held for extended periods
- 🐛 Inconsistent delivery times
- 🐛 Unresponsive customer support
- 🐛 False claims of instant transfers

**Reported bugs**

- Face ID authentication not working
- Login screen requires constant re-entry of details
- Face ID button missing
- Verification code delays
- Deposit not instant despite claims

**Requested features**

- Provide official receipts/invoices
- Improve Face ID authentication
- Enable Face recognition for login
- Allow higher remittance limits without manual authorization
- Ensure instant deposit claims are accurate


### KEEP by Fast FX

[App page](https://appshunter.io/ios/app/keep-by-fast-fx/id6737156640)

Easily send and request money with instant, secure transactions. This app offers a user-friendly interface for managing all your financial exchanges, with multi-currency support and detailed transaction history.

**Highlights:** Instant money transfers, Request money easily, Secure transactions, User-friendly interface, Transaction history tracking, Multi-currency support, Integration with contacts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TetradPay free?

TetradPay is free to download, with no in-app purchases.

### Is KEEP by Fast FX free?

KEEP by Fast FX is free to download, with no in-app purchases.

### Which has better reviews, TetradPay or KEEP by Fast FX?

TetradPay is rated higher. TetradPay averages 4.7 out of 5 from 39 ratings, while KEEP by Fast FX averages 4.7 from 3 ratings.

### Do TetradPay or KEEP by Fast FX have ads?

KEEP by Fast FX shows ads; TetradPay does not.

### Which is updated more often, TetradPay or KEEP by Fast FX?

TetradPay ships an update every 4 weeks, and KEEP by Fast FX every 10 days. Most recently, TetradPay was updated on October 24, 2026 and KEEP by Fast FX on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*