# Intervals vs Fasting interval 16

The clearest difference is in-app purchases: Fasting interval 16 at none against Intervals's 4. Fasting interval 16 also leads on update cadence (weekly vs every 3 months) and iOS requirement (11.0 vs 26.0). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Intervals sells 4 one-off in-app purchases. Fasting interval 16 asks for nothing beyond the download.

Intervals ships an update every 3 months, Fasting interval 16 weekly. The most recent releases landed on July 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Intervals | Fasting interval 16 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 45.5% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 4 MB | 25 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [RGB Consulting Limited](https://appshunter.io/developer/368207904) | [Dirk Storjohann](https://appshunter.io/developer/1456635825) |

## What reviewers say

### Intervals

[App page](https://appshunter.io/ios/app/intervals/id521504000)

This app provides a straightforward interval timer for structured training sessions like HIIT, boxing, or circuit training. It offers customizable timer profiles, clear visual and audio cues for transitions, and tracks your workout statistics. It can also function as a Pomodoro timer for focused work blocks.

**Highlights:** Customizable timer profiles, Clear visual countdown ring, Audio and haptic alerts, Session statistics tracking, Screen stays awake during sessions, Pomodoro timer functionality

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $3.99 | one-time |


### 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


## Frequently asked questions

### Is Intervals free?

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

### Is Fasting interval 16 free?

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

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

Neither Intervals nor Fasting interval 16 shows ads.

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

Intervals ships an update every 3 months, and Fasting interval 16 weekly. Most recently, Intervals was updated on July 18, 2026 and Fasting interval 16 on June 1, 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.*