# Science vs Mission Decode

The clearest difference is price: Mission Decode at Free against Science's $0.99. Mission Decode also leads on update cadence (every 5 weeks vs every 27 months) and device support (3 vs 1). Science's advantage is ads (none vs shown). On in-app purchases and iOS requirement there is nothing between them.

Mission Decode is free to download; Science costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Science ships an update every 27 months, Mission Decode every 5 weeks. The most recent releases landed on September 15, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Science | Mission Decode |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mission-decode/id1616372902/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 5 weeks** |
| Monetization | — | Ad-supported |
| Size | 23 MB | 63 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Illés László](https://appshunter.io/developer/316890672) | [Willie Baxter](https://appshunter.io/developer/1527337323) |

## What reviewers say

### Science

[App page](https://appshunter.io/ios/app/science-solarsystem/id1054480020)

**In-app purchases:** none


### Mission Decode

[App page](https://appshunter.io/ios/app/mission-decode/id1616372902)

This app transforms code skill development into an engaging game. It offers a fun way to learn and practice coding concepts while completing missions. Build your expertise and enjoy the challenge on the go.

**Highlights:** Strengthen code skills, Learn coding, Play a game, Complete missions, Build skills, Fun on the go

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Science free?

Science costs $0.99, with no in-app purchases.

### Is Mission Decode free?

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

### Do Science or Mission Decode have ads?

Mission Decode shows ads; Science does not.

### Which is updated more often, Science or Mission Decode?

Science ships an update every 27 months, and Mission Decode every 5 weeks. Most recently, Science was updated on September 15, 2026 and Mission Decode on June 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.*