# Intervals vs Stillr

The clearest difference is update cadence: Stillr at weekly against Intervals's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Intervals sells 1 one-off in-app purchase and Stillr sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Intervals ships an update every 2 weeks, Stillr weekly. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Intervals | Stillr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 55 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIMON RAYMOND SCHOEN](https://appshunter.io/developer/1708665361) | [ARZU ARSLAN](https://appshunter.io/developer/1895192852) |

## What reviewers say

### Intervals

[App page](https://appshunter.io/ios/app/intervals-timer-builder/id6759968273)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals Pro | $4.99 | one-time |


### Stillr

[App page](https://appshunter.io/ios/app/stillr-study-and-focus-timer/id6785648945)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stillr Plus | $2.99 | one-time |


## Frequently asked questions

### Is Intervals free?

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

### Is Stillr free?

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

### Do Intervals or Stillr have ads?

Neither Intervals nor Stillr shows ads.

### Which is updated more often, Intervals or Stillr?

Intervals ships an update every 2 weeks, and Stillr weekly. Most recently, Intervals was updated on October 7, 2026 and Stillr on September 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.*