# Shift vs Slimo Interval Timer

The clearest difference is in-app purchases: Shift at none against Slimo Interval Timer's 2. Slimo Interval Timer's advantage is iOS requirement (17.0 vs 26). On price, ads and device support there is nothing between them.

Both are free to download. Slimo Interval Timer sells 2 in-app purchases, starting at $2.99 per month. Shift asks for nothing beyond the download.

## The numbers

| Metric | Shift | Slimo Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 43 MB | 2 MB |
| Requires iOS | 26 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jorick van Meijeren](https://appshunter.io/developer/1882811593) | [SLMLABS OU](https://appshunter.io/developer/6814223788) |

## What reviewers say

### Shift

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

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

**In-app purchases:** none


### Slimo Interval Timer

[App page](https://appshunter.io/ios/app/slimo-interval-timer/id6814952319)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Lifetime | $22.99 | one-time |


## Frequently asked questions

### Is Shift free?

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

### Is Slimo Interval Timer free?

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

### Do Shift or Slimo Interval Timer have ads?

Neither Shift nor Slimo Interval Timer shows ads.

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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.*