# Thermodynamic Cycles vs AlgoBubbles

The clearest difference is ads: Thermodynamic Cycles at none against AlgoBubbles's shown. Thermodynamic Cycles also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Thermodynamic Cycles sells 4 one-off in-app purchases and AlgoBubbles sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Thermodynamic Cycles ships an update every 3 months, AlgoBubbles every 4 months. The most recent releases landed on September 17, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Thermodynamic Cycles | AlgoBubbles |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 50 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Angus Malcolm](https://appshunter.io/developer/834153229) | [hamam alabdulla](https://appshunter.io/developer/1562896225) |

## 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 |


### AlgoBubbles

[App page](https://appshunter.io/ios/app/algobubbles/id6756498708)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Algorithms | $7.99 | one-time |


## Frequently asked questions

### Is Thermodynamic Cycles free?

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

### Is AlgoBubbles free?

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

### Do Thermodynamic Cycles or AlgoBubbles have ads?

AlgoBubbles shows ads; Thermodynamic Cycles does not.

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

Thermodynamic Cycles ships an update every 3 months, and AlgoBubbles every 4 months. Most recently, Thermodynamic Cycles was updated on September 17, 2026 and AlgoBubbles on September 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.*