# Simple Fasting App vs HeyFast

The clearest difference is rating: HeyFast at 4.8 against Simple Fasting App's 3.8. HeyFast also leads on update cadence (every 8 days vs every 3 weeks) and review sentiment (100% vs 89%). Simple Fasting App's advantage is in-app purchases (none vs 3). On price, ads and device support there is nothing between them.

Both are free to download. HeyFast sells 3 in-app purchases, starting at $1.99 per month. Simple Fasting App asks for nothing beyond the download.

HeyFast holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 4 and 19 respectively. Written reviews point the same way: 89% of Simple Fasting App's written reviews are positive against 100% of HeyFast's.

Simple Fasting App ships an update every 3 weeks, HeyFast every 8 days. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Simple Fasting App | HeyFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/simple-fasting-app/id6738610803/reviews) | **[4.8 (19 ratings)](https://appshunter.io/ios/app/heyfast-intermittent-fasting/id6755427913/reviews)** |
| Number of ratings | 4 | **19** |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 57 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mehmet Emrah Konya](https://appshunter.io/developer/1752657386) | [Nomad88 Co., Ltd.](https://appshunter.io/developer/1782240827) |

## What reviewers say

### Simple Fasting App

[App page](https://appshunter.io/ios/app/simple-fasting-app/id6738610803)

This app simplifies intermittent fasting with a focus on privacy and ease of use. It offers popular fasting schedules, progress tracking, and smart notifications without ads, subscriptions, or data collection.

**Highlights:** Free and private, Popular fasting schedules, Progress tracking, Smart notifications, Intuitive design, Customizable themes, Quick start

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

**In-app purchases:** none


### HeyFast

[App page](https://appshunter.io/ios/app/heyfast-intermittent-fasting/id6755427913)

This app guides you through personalized intermittent fasting schedules like 16:8 and 14:10. Track your weight, receive reminders, and build sustainable healthy habits for long-term weight management.

**Highlights:** Personalized intermittent fasting plans, Multiple fasting schedules (16:8, 14:10, 18:6), Daily weight tracking, Progress visualization, Healthy habit building tools, Reminders and motivation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeyFast Pro - Monthly | $1.99 | per month |
| HeyFast Pro - Yearly | $12.99 | per year |
| HeyFast Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Simple Fasting App free?

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

### Is HeyFast free?

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

### Which has better reviews, Simple Fasting App or HeyFast?

HeyFast is rated higher. Simple Fasting App averages 3.8 out of 5 from 4 ratings, while HeyFast averages 4.8 from 19 ratings.

### Do Simple Fasting App or HeyFast have ads?

Neither Simple Fasting App nor HeyFast shows ads.

### Which is updated more often, Simple Fasting App or HeyFast?

Simple Fasting App ships an update every 3 weeks, and HeyFast every 8 days. Most recently, Simple Fasting App was updated on September 24, 2026 and HeyFast on September 8, 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.*