# Interval fasting time vs Intermittent Fasting

The clearest difference is in-app purchases: Interval fasting time at none against Intermittent Fasting's 3. Interval fasting time also leads on device support (3 vs 1) and iOS requirement (13.6 vs 18). Intermittent Fasting's advantage is ads (none vs shown) and update cadence (fortnightly vs every 28 months). On price there is nothing between them.

Both are free to download. Intermittent Fasting sells 3 in-app purchases, starting at $4.99 per month. Interval fasting time asks for nothing beyond the download.

Interval fasting time ships an update every 28 months, Intermittent Fasting fortnightly. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Interval fasting time | Intermittent Fasting |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 28 months | **Fortnightly** |
| Size | 42 MB | 8 MB |
| Requires iOS | **13.6** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ewgeniy Isurov](https://appshunter.io/developer/1100100325) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## What reviewers say

### Interval fasting time

[App page](https://appshunter.io/ios/app/interval-fasting-time/id1541393840)

**In-app purchases:** none


### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-window/id6760733395)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Window Pro Monthly | $4.99 | per month |
| Window Pro Intro Year | $39.99 | per year |
| Window Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Interval fasting time free?

Interval fasting time 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 Interval fasting time or Intermittent Fasting have ads?

Interval fasting time shows ads; Intermittent Fasting does not.

### Which is updated more often, Interval fasting time or Intermittent Fasting?

Interval fasting time ships an update every 28 months, and Intermittent Fasting fortnightly. Most recently, Interval fasting time was updated on September 21, 2026 and Intermittent Fasting on September 10, 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.*