# FastFlow vs Fasting Timer

The clearest difference is ads: Fasting Timer at none against FastFlow's shown. Fasting Timer also leads on update cadence (fortnightly vs every 4 months). FastFlow's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FastFlow ships an update every 4 months, Fasting Timer fortnightly. The most recent releases landed on October 3, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | FastFlow | Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 4 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Caprio Lab](https://appshunter.io/developer/1841174043) | [masayuki koga](https://appshunter.io/developer/6779439357) |

## What reviewers say

### FastFlow

[App page](https://appshunter.io/ios/app/fastflow-fasting-tracker/id6756208094)

This app helps users manage intermittent fasting schedules with a visual timer and customizable patterns. It also allows for weight tracking, meal logging with photos, and smart notifications to build healthy habits.

**Highlights:** Circular fasting timer, Flexible fasting patterns, Weight progress graph, Meal logging with photos, Smart notifications, Cloud data sync

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

**In-app purchases:** none


### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-16-hours/id6779439355)

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

**In-app purchases:** none


## Frequently asked questions

### Is FastFlow free?

FastFlow is free to download, with no in-app purchases.

### Is Fasting Timer free?

Fasting Timer is free to download, with no in-app purchases.

### Do FastFlow or Fasting Timer have ads?

FastFlow shows ads; Fasting Timer does not.

### Which is updated more often, FastFlow or Fasting Timer?

FastFlow ships an update every 4 months, and Fasting Timer fortnightly. Most recently, FastFlow was updated on October 3, 2026 and Fasting Timer on September 26, 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.*