# FitSleep睡佳 vs 观心课堂

The clearest difference is update cadence: 观心课堂 at every 2 months against FitSleep睡佳's every 27 months. FitSleep睡佳's advantage is iOS requirement (9.0 vs 13.0). 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.

FitSleep睡佳 ships an update every 27 months, 观心课堂 every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FitSleep睡佳 | 观心课堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 months** |
| Size | 53 MB | 54 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Glamour Technology Co., Ltd.](https://appshunter.io/developer/1555640422) | [观心实验室](https://appshunter.io/developer/1808849455) |

## What reviewers say

### FitSleep睡佳

[App page](https://appshunter.io/ios/app/fitsleep/id1524248360)

**In-app purchases:** none


### 观心课堂

[App page](https://appshunter.io/ios/app/id6745209893)

**In-app purchases:** none


## Frequently asked questions

### Is FitSleep睡佳 free?

FitSleep睡佳 is free to download, with no in-app purchases.

### Is 观心课堂 free?

观心课堂 is free to download, with no in-app purchases.

### Do FitSleep睡佳 or 观心课堂 have ads?

Neither FitSleep睡佳 nor 观心课堂 shows ads.

### Which is updated more often, FitSleep睡佳 or 观心课堂?

FitSleep睡佳 ships an update every 27 months, and 观心课堂 every 2 months. Most recently, FitSleep睡佳 was updated on November 7, 2026 and 观心课堂 on October 30, 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.*