# Fasting interval 16 vs Intermittent Fasting

The clearest difference is in-app purchases: Fasting interval 16 at none against Intermittent Fasting's 11. Fasting interval 16 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Intermittent Fasting sells 11 in-app purchases, starting at $3.99 per 7 days. Fasting interval 16 asks for nothing beyond the download.

Fasting interval 16 ships an update weekly, Intermittent Fasting every 2 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Fasting interval 16 | Intermittent Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (1K ratings)](https://appshunter.io/ios/app/intermittent-fasting-fastify/id1638123672/reviews)** |
| Number of ratings | — | **1K** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 25 MB | 54 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Dirk Storjohann](https://appshunter.io/developer/1456635825) | [AirShape](https://appshunter.io/developer/1638120760) |

## What reviewers say

### Fasting interval 16

[App page](https://appshunter.io/ios/app/fasting-interval-168/id1494623370)

This app helps you track your intermittent fasting schedule. Simply input your fasting start time, and it will monitor your progress and notify you when your fasting interval concludes. It's designed to support your intermittent fasting journey.

**Highlights:** Intermittent fasting tracking, Fasting start time input, Fasting interval end notification, Supports 16:8 fasting schedule, Proven effectiveness support

**Features:** macOS Compatibility

**In-app purchases:** none


### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-fastify/id1638123672)

Track your eating schedule, receive guidance, and enhance your daily fasting experience. Achieve your weight goals, improve health, and increase energy within a supportive community.

**Highlights:** Fasting schedule tracking, Personalized fasting plans, Health and energy boost tips, Weight loss guidance, Fasting community support, Beginner and experienced plans

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Fasting Subscription | $6.99 | per month |
| Monthly Fasting Subscription | $10.49 | per month |
| Monthly Fasting Subscription | $12.49 | per month |
| Intermittent Fasting Timer | $12.99 | per 3 months |
| Quarterly Fasting Subscription | $16.99 | per 3 months |
| The Fasting | $19.99 | per 3 months |
| App Intermittent Fasting | $29.99 | per year |
| Annually Fasting Subscription | $39.99 | per year |
| Annually Subscription | $59.99 | per year |

**What reviewers like**

- 👍 Great app design
- 🚀 Simple and easy to use
- 💡 Helpful for weight loss and fasting
- 🚀 Tracks fasting progress well

**What reviewers complain about**

- 🐛 App freezes on goals page
- 🐛 Help link crashes the app
- 🐛 Incomplete information display
- 🐛 UI issues with screen fitting
- 🐛 Inability to edit fasting logs

**Reported bugs**

- App freezes on goals page
- Help link crashes the app
- Incomplete information display
- UI issues with screen fitting
- Inability to edit fasting logs

**Requested features**

- Allow changing app icon color
- Add more diet and recipe tips
- Implement dark mode option
- Provide more detailed statistics


## Frequently asked questions

### Is Fasting interval 16 free?

Fasting interval 16 is free to download, with no in-app purchases.

### Is Intermittent Fasting free?

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

### Do Fasting interval 16 or Intermittent Fasting have ads?

Neither Fasting interval 16 nor Intermittent Fasting shows ads.

### Which is updated more often, Fasting interval 16 or Intermittent Fasting?

Fasting interval 16 ships an update weekly, and Intermittent Fasting every 2 weeks. Most recently, Fasting interval 16 was updated on October 12, 2026 and Intermittent Fasting on October 16, 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.*