# HandyPlanet vs CosmicObserver

The clearest difference is in-app purchases: HandyPlanet at none against CosmicObserver's 1. CosmicObserver's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. CosmicObserver sells 1 one-off in-app purchase. HandyPlanet asks for nothing beyond the download.

HandyPlanet ships an update every 6 weeks, CosmicObserver every 3 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | HandyPlanet | CosmicObserver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 58 MB | 226 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ARAKAKI CAIO DAISUKE](https://appshunter.io/developer/1874933377) | [Yuichi Okuno](https://appshunter.io/developer/1803911141) |

## What reviewers say

### HandyPlanet

[App page](https://appshunter.io/ios/app/handyplanet/id6758777962)

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

**In-app purchases:** none


### CosmicObserver

[App page](https://appshunter.io/ios/app/cosmicobserver/id6787430312)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosmic Pass | $4.99 | one-time |


## Frequently asked questions

### Is HandyPlanet free?

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

### Is CosmicObserver free?

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

### Do HandyPlanet or CosmicObserver have ads?

HandyPlanet shows ads; CosmicObserver does not.

### Which is updated more often, HandyPlanet or CosmicObserver?

HandyPlanet ships an update every 6 weeks, and CosmicObserver every 3 weeks. Most recently, HandyPlanet was updated on October 15, 2026 and CosmicObserver on October 15, 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.*