# Fastin vs Simple Fasting app

The clearest difference is ads: Fastin at none against Simple Fasting app's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Fastin sells 10 in-app purchases, starting at $4.49 per 7 days and Simple Fasting app sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Fastin ships an update every 3 weeks, Simple Fasting app every 2 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fastin | Simple Fasting app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10K ratings)](https://appshunter.io/ios/app/fastin-intermittent-fasting/id1526416889/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 243 MB | 8 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [Bongmi Global Group](https://appshunter.io/developer/1526416891) | [Avirath Pinjarkar](https://appshunter.io/developer/1450077597) |

## What reviewers say

### Fastin

[App page](https://appshunter.io/ios/app/fastin-intermittent-fasting/id1526416889)

This app guides you through intermittent fasting for weight loss and improved health. It offers personalized plans, tracking tools for food, weight, water, sleep, and activity, along with educational courses on fasting and nutrition. Visualize your progress with detailed statistics to stay motivated on your journey.

**Highlights:** Personalized fasting plans, Food, weight, water, sleep, and activity tracking, Fasting and nutrition courses, Progress statistics and charts, Step-by-step fasting guidance, Meal journal for mindful eating

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastingPrime1Weekly | $4.49 | per 7 days |
| PrimeWeekly | $6.99 | per 7 days |
| Fasting Prime | $6.99 | per 7 days |
| PrimeMonthly | $9.99 | per month |
| PrimeWeekly | $9.99 | per 7 days |
| Fasting Prime | $9.99 | per month |
| PrimeQuarterly | $19.99 | per 3 months |
| Fasting Prime | $29.99 | per year |
| PrimeQuarterly | $29.99 | per 3 months |
| PrimeYearly | $49.99 | per year |

**What reviewers like**

- ⭐ Excellent app
- 👍 Easy to use
- 🔍 Helpful for weight loss
- 🔍 Motivational
- 🔍 Informative

**What reviewers complain about**

- 💰 Paid subscription required
- 🔍 Limited food database
- 🔍 Inaccurate calorie tracking
- 🔍 Confusing or unintuitive interface
- 🐛 Bugs and glitches

**Reported bugs**

- Fasting timer resets unexpectedly
- App crashes or freezes
- Sync and login issues
- Inability to edit past fasts

**Requested features**

- Ability to scan barcodes for nutrition info
- More recipes and meal planning options
- Integration with fitness trackers
- Customizable fasting schedules
- Better data tracking and analysis


### Simple Fasting app

[App page](https://appshunter.io/ios/app/simple-fasting-app-tracker/id6757850485)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - 30 Days | $1.99 | per month |
| Annual Plan | $19.99 | per year |


## Frequently asked questions

### Is Fastin free?

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

### Is Simple Fasting app free?

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

### Do Fastin or Simple Fasting app have ads?

Simple Fasting app shows ads; Fastin does not.

### Which is updated more often, Fastin or Simple Fasting app?

Fastin ships an update every 3 weeks, and Simple Fasting app every 2 weeks. Most recently, Fastin was updated on October 29, 2026 and Simple Fasting app on October 25, 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.*