# FastBell vs WaveFast

The clearest difference is update cadence: FastBell at every 5 days against WaveFast's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FastBell sells 6 in-app purchases, starting at $0.99 per 7 days and WaveFast sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FastBell ships an update every 5 days, WaveFast monthly. Both last shipped on November 9, 2026.

## The numbers

| Metric | FastBell | WaveFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/wavefast-fasting-tracker/id6764770817/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 20 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 9+ |
| Developer | [Starcrown Inc](https://appshunter.io/developer/1082624152) | [瑞华 张](https://appshunter.io/developer/1608130007) |

## What reviewers say

### FastBell

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

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastBell Pro Weekly | $0.99 | per 7 days |
| Monthly Plan | $2.99 | per month |
| Yearly Plan | $17.99 | per year |
| Coffee | $0.99 | one-time |
| Cookie | $2.99 | one-time |
| Cake | $6.99 | one-time |


### WaveFast

[App page](https://appshunter.io/ios/app/wavefast-fasting-tracker/id6764770817)

Visually track your intermittent fasting progress with a fluid, calming animation. This app offers a one-time purchase, no subscriptions, and prioritizes user privacy by keeping all data local. It provides insights into your body's status during fasting and smart notifications.

**Highlights:** Fluid wave animation for progress visualization, Dynamic Island & Live Activities integration, History and streak tracking, Customizable water themes, Body status insights (fat burning, autophagy), Smart notifications for fasting milestones, Privacy-focused local data storage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WaveFast Pro | $5.99 | one-time |


## Frequently asked questions

### Is FastBell free?

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

### Is WaveFast free?

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

### Do FastBell or WaveFast have ads?

Neither FastBell nor WaveFast shows ads.

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

FastBell ships an update every 5 days, and WaveFast monthly. Most recently, FastBell was updated on November 9, 2026 and WaveFast on November 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.*