# クトゥルフ神話AR vs Flat Machine

The clearest difference is review sentiment: Flat Machine at 94% against クトゥルフ神話AR's 44%. Flat Machine also leads on update cadence (every 5 days vs every 3 weeks). クトゥルフ神話AR's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Flat Machine sells 4 one-off in-app purchases. クトゥルフ神話AR asks for nothing beyond the download.

クトゥルフ神話AR ships an update every 3 weeks, Flat Machine every 5 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | クトゥルフ神話AR | Flat Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (68 ratings)](https://appshunter.io/ios/app/flat-machine-post-apocalyptic/id6473309112/reviews)** |
| Number of ratings | — | **68** |
| Positive reviews | 44.0% of reviews | **93.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 166 MB | 118 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [HIDEHIRO NOMOTO](https://appshunter.io/developer/1445032216) | [zxima.LLC](https://appshunter.io/developer/714594983) |

## What reviewers say

### クトゥルフ神話AR

[App page](https://appshunter.io/ios/app/ar/id1445032217)

Embark on a TRPG-style location-based adventure to uncover the Cthulhu Mythos hidden in the real world. Create and share your own scenarios using a companion desktop application.

**Highlights:** Location-based adventure, TRPG-style gameplay, User-generated scenarios, Scenario creation tool, Shareable content

**Features:** macOS Compatibility

**In-app purchases:** none


### Flat Machine

[App page](https://appshunter.io/ios/app/flat-machine-post-apocalyptic/id6473309112)

Control a limbless robot tasked with defending a settlement in a post-apocalyptic world. Engage in simple, timing-based battles against various threats and make choices that influence the game's multiple endings. Discover the mystery of your own identity.

**Highlights:** Simple, timing-based battles, Item combination system, Respond to various visitors, Multiple endings based on choices, Daily events and encounters

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AD removal | $2.99 | one-time |
| Donation(S) | $3.99 | one-time |
| Donation(M) | $14.99 | one-time |
| Donation(L) | $34.99 | one-time |

**What reviewers like**

- 👍 Highly engaging gameplay
- 💖 Compelling characters and story
- 💡 Multiple endings and replayability
- ✨ Unique post-apocalyptic world
- 🎮 Satisfying progression and strategy

**What reviewers complain about**

- 🐛 Ad issues (app store redirection)
- 🐛 Ads sometimes break BGM
- ⚖️ Endless mode can feel like pure luck
- ❓ Some events seem to have limited interactions
- 🚫 Lack of Chinese translation

**Reported bugs**

- Ads redirect to app store and prevent item rewards
- Ad BGM continues playing after ad ends
- Ad BGM persists even after restarting app
- Agoda ads prevent continuing the game

**Requested features**

- Add Chinese translation
- Add Vietnamese translation
- Add Spanish translation
- Option for one-time purchase to remove ads
- More interactions with certain characters (e.g., training robot)


## Frequently asked questions

### Is クトゥルフ神話AR free?

クトゥルフ神話AR is free to download, with no in-app purchases.

### Is Flat Machine free?

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

### Do クトゥルフ神話AR or Flat Machine have ads?

Flat Machine shows ads; クトゥルフ神話AR does not.

### Which is updated more often, クトゥルフ神話AR or Flat Machine?

クトゥルフ神話AR ships an update every 3 weeks, and Flat Machine every 5 days. Most recently, クトゥルフ神話AR was updated on October 11, 2026 and Flat Machine on October 11, 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.*