# Thermodynamic Cycles vs NETURAKU

The clearest difference is in-app purchases: NETURAKU at none against Thermodynamic Cycles's 4. NETURAKU also leads on update cadence (every 4 days vs every 3 months) and iOS requirement (13.0 vs 15.0). Thermodynamic Cycles's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Thermodynamic Cycles sells 4 one-off in-app purchases. NETURAKU asks for nothing beyond the download.

Thermodynamic Cycles ships an update every 3 months, NETURAKU every 4 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Thermodynamic Cycles | NETURAKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 50 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Angus Malcolm](https://appshunter.io/developer/834153229) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Thermodynamic Cycles

[App page](https://appshunter.io/ios/app/thermodynamic-cycles/id834153226)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gas Power Cycles | $0.49 | one-time |
| Refrigeration Cycles | $0.49 | one-time |
| Vapor Power Cycles | $0.49 | one-time |
| Unlock All | $0.99 | one-time |


### NETURAKU

[App page](https://appshunter.io/ios/app/neturaku/id6760246813)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermodynamic Cycles free?

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

### Is NETURAKU free?

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

### Do Thermodynamic Cycles or NETURAKU have ads?

NETURAKU shows ads; Thermodynamic Cycles does not.

### Which is updated more often, Thermodynamic Cycles or NETURAKU?

Thermodynamic Cycles ships an update every 3 months, and NETURAKU every 4 days. Most recently, Thermodynamic Cycles was updated on October 26, 2026 and NETURAKU on October 25, 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.*