# Fasting Timer vs Fast12

The clearest difference is review sentiment: Fast12 at 100% against Fasting Timer's 0%. Fast12 also leads on ads (none vs shown). Fasting Timer's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (16.0 vs 26.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Fasting Timer sells 2 in-app purchases, starting at $1.99 per month and Fast12 sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Fasting Timer ships an update every 3 days, Fast12 every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Fasting Timer | Fast12 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/fasting-timer-if-tracker/id6759716682/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 51 MB | 29 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Batuhan Senavci](https://appshunter.io/developer/1875041796) | [D App Online Ltd](https://appshunter.io/developer/1442403007) |

## What reviewers say

### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-if-tracker/id6759716682)

Effortlessly track intermittent fasting with this powerful app. Monitor fasting phases, including fat-burning and autophagy, and build healthy habits with various fasting plans. Start your journey in seconds with no account required.

**Highlights:** Circular countdown timer, Real-time fasting phase tracking, Multiple IF protocols, Streak tracking, Body Map visualization, Home Screen Widget, Zone notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |


### Fast12

[App page](https://appshunter.io/ios/app/fast12-intermittent-fasting/id6770261704)

Build a sustainable fasting routine with a simple timer and personalized coaching. Track your fasting window, hydration, and sleep to understand your body's rhythms. Features AI meal scanning and meal guidance to support your eating window.

**Highlights:** Simple fasting timer, Beginner-friendly 12-hour fast, Smart fasting insights, Personal coaching, Hydration tracking, AI Meal Photo Scanner, Apple Watch support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast12 Premium Monthly | $12.99 | per month |
| Fast12 Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Fasting Timer free?

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

### Is Fast12 free?

Fast12 is free to download, with in-app purchases available.

### Do Fasting Timer or Fast12 have ads?

Fasting Timer shows ads; Fast12 does not.

### Which is updated more often, Fasting Timer or Fast12?

Fasting Timer ships an update every 3 days, and Fast12 every 10 days. Most recently, Fasting Timer was updated on October 31, 2026 and Fast12 on October 31, 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.*