# Astrosane vs Study Timer

The clearest difference is ads: Astrosane at none against Study Timer's shown. Study Timer's advantage is update cadence (every 2 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Astrosane ships an update every 6 weeks, Study Timer every 2 days. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Astrosane | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 206 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sushil Sharma](https://appshunter.io/developer/1771694743) | [Ryan Impey](https://appshunter.io/developer/1773084455) |

## What reviewers say

### Astrosane

[App page](https://appshunter.io/ios/app/astrosane-book-pandit-ji/id6743861497)

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

**In-app purchases:** none


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-focus-fish/id6745766537)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Astrosane free?

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

### Is Study Timer free?

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

### Do Astrosane or Study Timer have ads?

Study Timer shows ads; Astrosane does not.

### Which is updated more often, Astrosane or Study Timer?

Astrosane ships an update every 6 weeks, and Study Timer every 2 days. Most recently, Astrosane was updated on October 13, 2026 and Study Timer on October 16, 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.*