# Decodoku vs Forerunners2

The clearest difference is in-app purchases: Decodoku at none against Forerunners2's 8. Decodoku also leads on iOS requirement (8.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Forerunners2 sells 8 one-off in-app purchases. Decodoku asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Decodoku against 5.0 for Forerunners2. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Decodoku ships an update every 3 months, Forerunners2 every 2 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Decodoku | Forerunners2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/decodoku/id1093080064/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/forerunners2/id1612994502/reviews) |
| Number of ratings | 3 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 382 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [James Robin Wootton](https://appshunter.io/developer/1093080063) | [The Books of Egu LLC](https://appshunter.io/developer/1470905273) |

## What reviewers say

### Decodoku

[App page](https://appshunter.io/ios/app/decodoku/id1093080064)

Engage in a unique puzzle game that doubles as a tool for scientific research in quantum error correction. Solve complex challenges to help advance the development of real-life quantum computers. Explore the science behind the game on the developer's website.

**Highlights:** Quantum puzzle gameplay, Scientific research tool, Quantum error correction, Advance quantum computing, Educational science content

**In-app purchases:** none


### Forerunners2

[App page](https://appshunter.io/ios/app/forerunners2/id1612994502)

Engage in a Christian-inspired story RPG puzzle game. Solve riddles and logic challenges to uncover evidence in a detective investigation. Play offline and progress through chapters of an original storyline.

**Highlights:** Original storyline, Investigation and story adventure, Logic challenge puzzles, Detective puzzles, Offline play, Christian-inspired

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Moves Ch. 4 | $1.99 | one-time |
| 100 Moves Ch. 6 | $1.99 | one-time |
| 100 Moves Ch. 5 | $1.99 | one-time |
| Unlimited Health Chapter 4 | $2.99 | one-time |
| Unlimited Health Chapter 5 | $2.99 | one-time |
| Unlimited Health Chapter 6 | $2.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Decodoku free?

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

### Is Forerunners2 free?

Forerunners2 is free to download, with in-app purchases available.

### Which has better reviews, Decodoku or Forerunners2?

Decodoku and Forerunners2 are both rated 5.0 out of 5 on the App Store, from 3 and 8 ratings respectively.

### Do Decodoku or Forerunners2 have ads?

Neither Decodoku nor Forerunners2 shows ads.

### Which is updated more often, Decodoku or Forerunners2?

Decodoku ships an update every 3 months, and Forerunners2 every 2 months. Most recently, Decodoku was updated on October 12, 2026 and Forerunners2 on October 10, 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.*