# Authenticator vs AI海报

The clearest difference is iOS requirement: AI海报 at 15.0 against Authenticator's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days and AI海报 sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 10 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | Authenticator | AI海报 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | Every 10 days |
| Size | 24 MB | 38 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [纬 戴](https://appshunter.io/developer/1895028950) | [梓阳 陈](https://appshunter.io/developer/1896593902) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator/id6764012196)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版 | $4.99 | per 7 days |
| 高级版 | $4.99 | per 7 days |
| 高级版 | $9.99 | per month |
| 高级版 | $19.99 | per 3 months |


### AI海报

[App page](https://appshunter.io/ios/app/ai/id6770405678)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $4.99 | per 7 days |
| 高级会员 | $4.99 | per 7 days |
| 高级会员 | $9.99 | per month |


## Frequently asked questions

### Is Authenticator free?

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

### Is AI海报 free?

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

### Do Authenticator or AI海报 have ads?

Neither Authenticator nor AI海报 shows ads.

### Which is updated more often, Authenticator or AI海报?

Authenticator ships an update every 10 days, and AI海报 every 10 days. Most recently, Authenticator was updated on October 7, 2026 and AI海报 on October 7, 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.*