# Intervalla vs Kronos Studio

The clearest difference is in-app purchases: Intervalla at none against Kronos Studio's 2. Kronos Studio's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kronos Studio sells 2 in-app purchases, starting at $8.99 per month. Intervalla asks for nothing beyond the download.

Intervalla ships an update every 3 weeks, Kronos Studio every 2 days. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Intervalla | Kronos Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 3 MB | 97 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [LJOSNING AS](https://appshunter.io/developer/1831022124) | [Muller Labs LLC](https://appshunter.io/developer/1884923229) |

## What reviewers say

### Intervalla

[App page](https://appshunter.io/ios/app/intervalla/id6760928874)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kronos Studio

[App page](https://appshunter.io/ios/app/kronos-studio/id6762472031)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kronos Pro Monthly | $8.99 | per month |
| Kronos Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Intervalla free?

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

### Is Kronos Studio free?

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

### Do Intervalla or Kronos Studio have ads?

Neither Intervalla nor Kronos Studio shows ads.

### Which is updated more often, Intervalla or Kronos Studio?

Intervalla ships an update every 3 weeks, and Kronos Studio every 2 days. Most recently, Intervalla was updated on September 25, 2026 and Kronos Studio on October 1, 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.*