# 2FA4G vs Keylet

The clearest difference is iOS requirement: 2FA4G at 13.0 against Keylet's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 2FA4G sells 3 in-app purchases, starting at $2.99 per month and Keylet sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

2FA4G ships an update every 4 days, Keylet every 5 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 2FA4G | Keylet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 46 MB | 108 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Newrathon Technology Co., Ltd](https://appshunter.io/developer/1652811876) | [Studio Fifteen](https://appshunter.io/developer/1470310980) |

## What reviewers say

### 2FA4G

[App page](https://appshunter.io/ios/app/2fa4g2fa-authenticator/id6762132896)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $7.99 | per year |
| Lifetime | $9.99 | one-time |


### Keylet

[App page](https://appshunter.io/ios/app/keylet-2fa-authenticator/id6779371596)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keylet Pro – Monthly | $2.99 | per month |
| Keylet Pro – Yearly | $12.99 | per year |
| Keylet Pro – Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is 2FA4G free?

2FA4G is free to download, with in-app purchases available.

### Is Keylet free?

Keylet is free to download, with in-app purchases available.

### Do 2FA4G or Keylet have ads?

Neither 2FA4G nor Keylet shows ads.

### Which is updated more often, 2FA4G or Keylet?

2FA4G ships an update every 4 days, and Keylet every 5 days. Most recently, 2FA4G was updated on October 6, 2026 and Keylet on October 4, 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.*