# CVVkey vs GK One

The clearest difference is ratings volume: GK One at 1.6K against CVVkey's 2. CVVkey's advantage is rating (5.0 vs 4.8). On price, update cadence, ads 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.

CVVkey holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GK One has 1.6K ratings behind it against 2, so its average is the more settled of the two.

CVVkey ships an update every 6 weeks, GK One every 2 months. The most recent releases landed on July 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CVVkey | GK One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cvvkey/id1480549676/reviews)** | [4.8 (1.6K ratings)](https://appshunter.io/ios/app/gk-one/id1593938821/reviews) |
| Number of ratings | 2 | **1.6K** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 36 MB | 156 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keyno, Inc](https://appshunter.io/developer/1480549405) | [GraceKennedy Financial Group Limited](https://appshunter.io/developer/1542146314) |

## What reviewers say

### CVVkey

[App page](https://appshunter.io/ios/app/cvvkey/id1480549676)

Enhance your online security with dynamic CVV codes and advanced transaction authentication. This app helps prevent online fraud by providing an extra layer of security for your card transactions. It is available for users of participating banks and financial institutions.

**Highlights:** Dynamic CVV2 codes, Card controls, Enhanced transaction authentication, Online fraud prevention

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

**In-app purchases:** none


### GK One

[App page](https://appshunter.io/ios/app/gk-one/id1593938821)

This app facilitates money transfers, bill payments, and online shopping. It also allows users to apply for credit cards and insurance, manage prepaid cards, and donate to charities. Earn rewards by referring friends and track all your transactions in one place.

**Highlights:** Send and receive money transfers, Pay bills to over 100 billers, Apply for credit cards and insurance, Shop online with a prepaid VISA card, Refer friends to earn rewards, Donate to charities, Manage account and view transaction history

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and easy to use
- 👍 Hassle-free experience
- 👍 Straightforward process
- 👍 Convenient and efficient
- 👍 Saves time and no more long lines

**What reviewers complain about**

- 🐛 Glitches and issues with app functionality
- 🐛 Inaccurate transaction tracking
- 🐛 Login issues requiring repeated sign-in
- 🐛 Issues with receiving money and updating information

**Reported bugs**

- Transferred money disappearing
- App not working for a period of time

**Requested features**

- Face ID login for faster access
- Increase transaction limits
- Add dark mode option
- Improve contact information editing


## Frequently asked questions

### Is CVVkey free?

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

### Is GK One free?

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

### Which has better reviews, CVVkey or GK One?

CVVkey is rated higher. CVVkey averages 5.0 out of 5 from 2 ratings, while GK One averages 4.8 from 1.6K ratings.

### Do CVVkey or GK One have ads?

Neither CVVkey nor GK One shows ads.

### Which is updated more often, CVVkey or GK One?

CVVkey ships an update every 6 weeks, and GK One every 2 months. Most recently, CVVkey was updated on July 21, 2026 and GK One on September 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.*