# Good Sleep Trainer vs AI智能枕

The clearest difference is iOS requirement: AI智能枕 at 12.0 against Good Sleep Trainer's 15.6. On price, ads, 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 | Good Sleep Trainer | AI智能枕 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 91 MB | 77 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Srikanth K A](https://appshunter.io/developer/1503299206) | [Transgene Biotechnology Company Ltd.](https://appshunter.io/developer/1609392662) |

## What reviewers say

### Good Sleep Trainer

[App page](https://appshunter.io/ios/app/good-sleep-trainer/id6475620459)

**In-app purchases:** none


### AI智能枕

[App page](https://appshunter.io/ios/app/ai/id6475710020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Good Sleep Trainer free?

Good Sleep Trainer is free to download, with no in-app purchases.

### Is AI智能枕 free?

AI智能枕 is free to download, with no in-app purchases.

### Do Good Sleep Trainer or AI智能枕 have ads?

Neither Good Sleep Trainer nor AI智能枕 shows ads.

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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.*