# FastSloth vs Simple fasting app

The clearest difference is in-app purchases: Simple fasting app at none against FastSloth's 1. Simple fasting app also leads on ratings volume (20 vs 5) and iOS requirement (13.0 vs 26.0). FastSloth's advantage is rating (5.0 vs 4.8) and update cadence (weekly vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. FastSloth sells 1 one-off in-app purchase. Simple fasting app asks for nothing beyond the download.

FastSloth holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 20 respectively.

FastSloth ships an update weekly, Simple fasting app every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | FastSloth | Simple fasting app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/fastsloth-fasting-tracker/id6759827972/reviews)** | [4.8 (20 ratings)](https://appshunter.io/ios/app/simple-fasting-app-timo/id6762841865/reviews) |
| Number of ratings | 5 | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 25 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Darren Paul](https://appshunter.io/developer/1874841503) | [Helen Seymour](https://appshunter.io/developer/1836723352) |

## What reviewers say

### FastSloth

[App page](https://appshunter.io/ios/app/fastsloth-fasting-tracker/id6759827972)

This app helps you track intermittent fasting with customizable schedules and real-time indicators of your body's stages. It also includes hydration logging, weight tracking with visual progress charts, and smart notifications to keep you on track. All your data stays private on your device.

**Highlights:** Customizable fasting schedules, Real-time ketosis and autophagy indicators, Hydration logging and reminders, Weight tracking with progress charts, Streak tracking and milestone badges, Home screen widgets, Private, no account required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $12.99 | one-time |


### Simple fasting app

[App page](https://appshunter.io/ios/app/simple-fasting-app-timo/id6762841865)

This app helps you build and maintain an intermittent fasting routine. It offers a simple timer, progress tracking, and insights into your body's responses during fasting periods. Designed for beginners and experienced users alike, it provides gentle encouragement and clear guidance.

**Highlights:** Intermittent fasting timer, Customizable fasting schedules, Real-time progress tracking, Body insights during fasting, Guidance on fasting-friendly drinks, Gentle and supportive approach

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

**In-app purchases:** none


## Frequently asked questions

### Is FastSloth free?

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

### Is Simple fasting app free?

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

### Which has better reviews, FastSloth or Simple fasting app?

FastSloth is rated higher. FastSloth averages 5.0 out of 5 from 5 ratings, while Simple fasting app averages 4.8 from 20 ratings.

### Do FastSloth or Simple fasting app have ads?

Neither FastSloth nor Simple fasting app shows ads.

### Which is updated more often, FastSloth or Simple fasting app?

FastSloth ships an update weekly, and Simple fasting app every 2 weeks. Most recently, FastSloth was updated on November 5, 2026 and Simple fasting app on November 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.*