# Plane focus vs Cronus

The clearest difference is update cadence: Cronus at daily against Plane focus's every 4 months. Cronus also leads on iOS requirement (16.4 vs 26.0). 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.

Plane focus ships an update every 4 months, Cronus daily. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Plane focus | Cronus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/plane-focus-flight-timer/id6757431152/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 33 MB | 30 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HAPPYPIXEL](https://appshunter.io/developer/1421366219) | [Moritz Wallawitsch](https://appshunter.io/developer/6801661115) |

## What reviewers say

### Plane focus

[App page](https://appshunter.io/ios/app/plane-focus-flight-timer/id6757431152)

This app transforms focus sessions into engaging flights. Instead of a simple timer, users select a destination and embark on a virtual journey, with their work duration represented by flight time. Immersive visuals and automatic app blocking help maintain concentration until landing.

**Highlights:** Focus sessions based on real flights, Thousands of real airports worldwide, Automatic app blocking during flights, Immersive airplane window visuals, Flight history tracking, Boarding-pass ritual to start focus

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

**In-app purchases:** none


### Cronus

[App page](https://appshunter.io/ios/app/cronus-ai-time-tracker/id6802339404)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plane focus free?

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

### Is Cronus free?

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

### Do Plane focus or Cronus have ads?

Neither Plane focus nor Cronus shows ads.

### Which is updated more often, Plane focus or Cronus?

Plane focus ships an update every 4 months, and Cronus daily. Most recently, Plane focus was updated on October 11, 2026 and Cronus on October 5, 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.*