# 心知了医生版 vs 轻断食减肥

The clearest difference is in-app purchases: 心知了医生版 at none against 轻断食减肥's 3. 心知了医生版 also leads on update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 轻断食减肥 sells 3 one-off in-app purchases. 心知了医生版 asks for nothing beyond the download.

心知了医生版 ships an update every 2 months, 轻断食减肥 every 4 months. The most recent releases landed on August 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 心知了医生版 | 轻断食减肥 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 67 MB | 49 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Helowin Medical technology Co., Ltd.](https://appshunter.io/developer/1483022470) | [Shenzhen GoldMineNetwork Technology Co.,LTD](https://appshunter.io/developer/1439306851) |

## What reviewers say

### 心知了医生版

[App page](https://appshunter.io/ios/app/id1450483561)

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

**In-app purchases:** none


### 轻断食减肥

[App page](https://appshunter.io/ios/app/app/id6449761019)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月卡会员 | $1.99 | one-time |
| 季卡会员 | $5.99 | one-time |
| 年卡会员 | $9.99 | one-time |


## Frequently asked questions

### Is 心知了医生版 free?

心知了医生版 is free to download, with no in-app purchases.

### Is 轻断食减肥 free?

轻断食减肥 is free to download, with in-app purchases available.

### Do 心知了医生版 or 轻断食减肥 have ads?

Neither 心知了医生版 nor 轻断食减肥 shows ads.

### Which is updated more often, 心知了医生版 or 轻断食减肥?

心知了医生版 ships an update every 2 months, and 轻断食减肥 every 4 months. Most recently, 心知了医生版 was updated on August 15, 2026 and 轻断食减肥 on September 14, 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.*