# 树懒轻断食 vs FastBell

The clearest difference is in-app purchases: 树懒轻断食 at none against FastBell's 1. FastBell's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FastBell sells 1 in-app purchase, starting at $0.99 per 7 days. 树懒轻断食 asks for nothing beyond the download.

树懒轻断食 ships an update every 3 weeks, FastBell every 3 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 树懒轻断食 | FastBell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 3 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [立华 陈](https://appshunter.io/developer/1886656849) | [Starcrown Inc](https://appshunter.io/developer/1082624152) |

## What reviewers say

### 树懒轻断食

[App page](https://appshunter.io/ios/app/and/id6762049386)

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

**In-app purchases:** none


### FastBell

[App page](https://appshunter.io/ios/app/fastbell-fasting-timer/id6762079813)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastBell Pro Weekly | $0.99 | per 7 days |


## Frequently asked questions

### Is 树懒轻断食 free?

树懒轻断食 is free to download, with no in-app purchases.

### Is FastBell free?

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

### Do 树懒轻断食 or FastBell have ads?

Neither 树懒轻断食 nor FastBell shows ads.

### Which is updated more often, 树懒轻断食 or FastBell?

树懒轻断食 ships an update every 3 weeks, and FastBell every 3 days. Most recently, 树懒轻断食 was updated on October 9, 2026 and FastBell on October 5, 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.*