# Gas vs Cluster2A

The clearest difference is update cadence: Cluster2A at every 3 months against Gas's every 6 months. Gas's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Gas sells 1 one-off in-app purchase and Cluster2A sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Gas ships an update every 6 months, Cluster2A every 3 months. The most recent releases landed on September 10, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Gas | Cluster2A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 10 MB | 9 MB |
| Requires iOS | **13.4** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Iurii Dubrov](https://appshunter.io/developer/1632057221) | [Chu-Yi Chang](https://appshunter.io/developer/943416679) |

## What reviewers say

### Gas

[App page](https://appshunter.io/ios/app/gas-main/id1522466692)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full App version | $7.99 | one-time |


### Cluster2A

[App page](https://appshunter.io/ios/app/cluster2a/id1544599436)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| K-means Model | $1.99 | one-time |
| DBSCAN Model | $1.99 | one-time |


## Frequently asked questions

### Is Gas free?

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

### Is Cluster2A free?

Cluster2A is free to download, with in-app purchases available.

### Do Gas or Cluster2A have ads?

Neither Gas nor Cluster2A shows ads.

### Which is updated more often, Gas or Cluster2A?

Gas ships an update every 6 months, and Cluster2A every 3 months. Most recently, Gas was updated on September 10, 2026 and Cluster2A on May 19, 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.*