# Interval Pal vs Shift

The clearest difference is in-app purchases: Shift at none against Interval Pal's 6. Shift also leads on update cadence (every 4 days vs every 3 weeks). Interval Pal's advantage is iOS requirement (18.0 vs 26). On price, ads and device support there is nothing between them.

Both are free to download. Interval Pal sells 6 in-app purchases, starting at $2.49 per month. Shift asks for nothing beyond the download.

Interval Pal ships an update every 3 weeks, Shift every 4 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Interval Pal | Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shift-workout-interval-timer/id6805132734/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 20 MB | 51 MB |
| Requires iOS | **18.0** | 26 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [PROMETHIC LABS PTY LTD](https://appshunter.io/developer/1860267724) | [Jorick van Meijeren](https://appshunter.io/developer/1882811593) |

## What reviewers say

### Interval Pal

[App page](https://appshunter.io/ios/app/interval-pal-boxing-timer/id6756356711)

**Features:** iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Pal Pro Monthly | $2.49 | per month |
| Interval Pal Pro Yearly | $9.99 | per year |
| Interval Pal Pro Yearly | $12.99 | per year |
| Interval Pal Pro Yearly | $12.99 | per year |
| Interval Pal Pro Lifetime | $19.99 | one-time |
| Interval Pal Pro Lifetime | $24.99 | one-time |


### Shift

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Pal free?

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

### Is Shift free?

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

### Do Interval Pal or Shift have ads?

Neither Interval Pal nor Shift shows ads.

### Which is updated more often, Interval Pal or Shift?

Interval Pal ships an update every 3 weeks, and Shift every 4 days. Most recently, Interval Pal was updated on October 28, 2026 and Shift on October 29, 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.*