# 99动态令牌 vs 2FA4G

The clearest difference is in-app purchases: 99动态令牌 at none against 2FA4G's 3. 2FA4G's advantage is update cadence (every 4 days vs every 41 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 2FA4G sells 3 in-app purchases, starting at $2.99 per month. 99动态令牌 asks for nothing beyond the download.

99动态令牌 ships an update every 41 months, 2FA4G every 4 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 99动态令牌 | 2FA4G |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 4 days** |
| Size | 29 MB | 46 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NetDragon Websoft Inc](https://appshunter.io/developer/327313781) | [Wuhan Newrathon Technology Co., Ltd](https://appshunter.io/developer/1652811876) |

## What reviewers say

### 99动态令牌

[App page](https://appshunter.io/ios/app/99/id1487929226)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 99动态令牌 free?

99动态令牌 is free to download, with no in-app purchases.

### Is 2FA4G free?

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

### Do 99动态令牌 or 2FA4G have ads?

Neither 99动态令牌 nor 2FA4G shows ads.

### Which is updated more often, 99动态令牌 or 2FA4G?

99动态令牌 ships an update every 41 months, and 2FA4G every 4 days. Most recently, 99动态令牌 was updated on October 1, 2026 and 2FA4G on October 6, 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.*