# Intervo vs Shift

The clearest difference is update cadence: Shift at every 4 days against Intervo's every 8 days. Intervo's advantage is iOS requirement (17.0 vs 26). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Intervo ships an update every 8 days, Shift every 4 days. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Intervo | Shift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 23 MB | 8 MB |
| Requires iOS | **17.0** | 26 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Okawa](https://appshunter.io/developer/1867195492) | [Jorick van Meijeren](https://appshunter.io/developer/1882811593) |

## What reviewers say

### Intervo

[App page](https://appshunter.io/ios/app/intervo-hiit-tabata-timer/id6785562622)

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

**In-app purchases:** none


### Shift

[App page](https://appshunter.io/ios/app/shift-workout-interval-timer/id6805132734)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intervo free?

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

### Is Shift free?

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

### Do Intervo or Shift have ads?

Neither Intervo nor Shift shows ads.

### Which is updated more often, Intervo or Shift?

Intervo ships an update every 8 days, and Shift every 4 days. Most recently, Intervo was updated on September 20, 2026 and Shift on September 12, 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.*