# HolyShift vs Interval Timer for Fitness

The clearest difference is in-app purchases: HolyShift at none against Interval Timer for Fitness's 3. HolyShift also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Interval Timer for Fitness sells 3 in-app purchases, starting at $1.99 per month. HolyShift asks for nothing beyond the download.

HolyShift ships an update every 5 weeks, Interval Timer for Fitness every 3 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HolyShift | Interval Timer for Fitness |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 24 MB | 23 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yousef Hesham](https://appshunter.io/developer/1780235632) | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) |

## What reviewers say

### HolyShift

[App page](https://appshunter.io/ios/app/holyshift/id6738328794)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Timer for Fitness

[App page](https://appshunter.io/ios/app/interval-timer-for-fitness/id6753744662)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is HolyShift free?

HolyShift is free to download, with no in-app purchases.

### Is Interval Timer for Fitness free?

Interval Timer for Fitness is free to download, with in-app purchases available.

### Do HolyShift or Interval Timer for Fitness have ads?

Neither HolyShift nor Interval Timer for Fitness shows ads.

### Which is updated more often, HolyShift or Interval Timer for Fitness?

HolyShift ships an update every 5 weeks, and Interval Timer for Fitness every 3 weeks. Most recently, HolyShift was updated on October 17, 2026 and Interval Timer for Fitness on October 24, 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.*