# Amazing Machine vs Cave Runner 2D

The clearest difference is in-app purchases: Amazing Machine at none against Cave Runner 2D's 4. Cave Runner 2D's advantage is update cadence (every 2 weeks vs every 30 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Cave Runner 2D sells 4 one-off in-app purchases. Amazing Machine asks for nothing beyond the download.

Amazing Machine ships an update every 30 months, Cave Runner 2D every 2 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Amazing Machine | Cave Runner 2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/cave-runner-2d/id6740147328/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 30 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 147 MB | 98 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kuo Hsiung Chiu](https://appshunter.io/developer/1556190718) | [Thibaud Dervily](https://appshunter.io/developer/1496114023) |

## What reviewers say

### Amazing Machine

[App page](https://appshunter.io/ios/app/amazing-machine-brain-puzzle/id1566588053)

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

**In-app purchases:** none


### Cave Runner 2D

[App page](https://appshunter.io/ios/app/cave-runner-2d/id6740147328)

Embark on a retro 8-bit platforming adventure through perilous caves. Navigate lava, spikes, and traps while battling diverse monsters across 15 challenging levels. Test your reflexes and skills in this classic platformer experience.

**Highlights:** Retro 8-bit pixel art visuals, 15 challenging levels, Diverse monster roster, Classic platformer mechanics, Smooth controls

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Lives | $0.99 | one-time |
| 30 Lives | $1.99 | one-time |
| 50 Lives | $2.99 | one-time |
| 100 Lives | $4.99 | one-time |


## Frequently asked questions

### Is Amazing Machine free?

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

### Is Cave Runner 2D free?

Cave Runner 2D is free to download, with in-app purchases available.

### Do Amazing Machine or Cave Runner 2D have ads?

Both Amazing Machine and Cave Runner 2D show ads.

### Which is updated more often, Amazing Machine or Cave Runner 2D?

Amazing Machine ships an update every 30 months, and Cave Runner 2D every 2 weeks. Most recently, Amazing Machine was updated on November 7, 2026 and Cave Runner 2D on November 7, 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.*