# PLANETARIUM vs MUDRI

The clearest difference is update cadence: MUDRI at fortnightly against PLANETARIUM's every 49 months. PLANETARIUM's advantage is iOS requirement (11.0 vs 15.1). 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.

PLANETARIUM ships an update every 49 months, MUDRI fortnightly. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PLANETARIUM | MUDRI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 195 MB | 48 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WAY Srl](https://appshunter.io/developer/1707864476) | [doID](https://appshunter.io/developer/1781959345) |

## What reviewers say

### PLANETARIUM

[App page](https://appshunter.io/ios/app/planetarium/id1532715462)

Discover the Solar System with this educational app. Explore planets, land on points of interest to learn more, and test your knowledge with quizzes. Embark on a cosmic journey and learn about our celestial neighbors.

**Highlights:** Explore the Solar System, Learn about planets, Interactive landing points, Knowledge-testing quizzes, Educational content

**In-app purchases:** none


### MUDRI

[App page](https://appshunter.io/ios/app/mudri/id6757678409)

**In-app purchases:** none


## Frequently asked questions

### Is PLANETARIUM free?

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

### Is MUDRI free?

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

### Do PLANETARIUM or MUDRI have ads?

Neither PLANETARIUM nor MUDRI shows ads.

### Which is updated more often, PLANETARIUM or MUDRI?

PLANETARIUM ships an update every 49 months, and MUDRI fortnightly. Most recently, PLANETARIUM was updated on October 8, 2026 and MUDRI on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*