# FastBell vs UdeTancho

The clearest difference is ads: FastBell at none against UdeTancho's shown. FastBell also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. FastBell sells 1 in-app purchase, starting at $0.99 per 7 days and UdeTancho sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FastBell ships an update every 3 days, UdeTancho every 2 days. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | FastBell | UdeTancho |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 3 MB | 45 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Starcrown Inc](https://appshunter.io/developer/1082624152) | [Isao Yamaguchi](https://appshunter.io/developer/1538751336) |

## What reviewers say

### 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 |


### UdeTancho

[App page](https://appshunter.io/ios/app/udetancho/id6809130951)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is FastBell free?

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

### Is UdeTancho free?

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

### Do FastBell or UdeTancho have ads?

UdeTancho shows ads; FastBell does not.

### Which is updated more often, FastBell or UdeTancho?

FastBell ships an update every 3 days, and UdeTancho every 2 days. Most recently, FastBell was updated on October 5, 2026 and UdeTancho on October 3, 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.*