# Hello Cycle vs 肠道森林

The clearest difference is in-app purchases: 肠道森林 at none against Hello Cycle's 2. Hello Cycle's advantage is update cadence (every 2 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Hello Cycle sells 2 one-off in-app purchases. 肠道森林 asks for nothing beyond the download.

Hello Cycle ships an update every 2 days, 肠道森林 every 10 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Hello Cycle | 肠道森林 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 82 MB | 22 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [QUN LIN](https://appshunter.io/developer/6799467354) | [苍昊 姚](https://appshunter.io/developer/6780296010) |

## What reviewers say

### Hello Cycle

[App page](https://appshunter.io/ios/app/hello-cycle/id6803520117)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-day Trial | Free | one-time |
| Lifetime VIP | $9.99 | one-time |


### 肠道森林

[App page](https://appshunter.io/ios/app/id6812831084)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hello Cycle free?

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

### Is 肠道森林 free?

肠道森林 is free to download, with no in-app purchases.

### Do Hello Cycle or 肠道森林 have ads?

Neither Hello Cycle nor 肠道森林 shows ads.

### Which is updated more often, Hello Cycle or 肠道森林?

Hello Cycle ships an update every 2 days, and 肠道森林 every 10 days. Most recently, Hello Cycle was updated on October 8, 2026 and 肠道森林 on October 9, 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.*