# Ai弹幕 vs 倒数记

The clearest difference is ads: Ai弹幕 at none against 倒数记's shown. Ai弹幕 also leads on iOS requirement (9.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Ai弹幕 | 倒数记 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | — |
| Size | 178 MB | 49 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Jining Zhiji Culture Media Co., Ltd.](https://appshunter.io/developer/1505495976) | [北京泰燊信息技术有限公司](https://appshunter.io/developer/1784907008) |

## What reviewers say

### Ai弹幕

[App page](https://appshunter.io/ios/app/ai/id1521960659)

**Features:** macOS Compatibility

**In-app purchases:** none


### 倒数记

[App page](https://appshunter.io/ios/app/id6590635059)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ai弹幕 free?

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

### Is 倒数记 free?

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

### Do Ai弹幕 or 倒数记 have ads?

倒数记 shows ads; Ai弹幕 does not.

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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.*