# AGA vs Cluster2A

The clearest difference is price: Cluster2A at Free against AGA's $0.99. Cluster2A also leads on update cadence (every 3 months vs every 15 months). AGA's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

Cluster2A is free to download; AGA costs $0.99 up front. Cluster2A sells 2 one-off in-app purchases. AGA asks for nothing beyond the download.

AGA ships an update every 15 months, Cluster2A every 3 months. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AGA | Cluster2A |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Size | 1 MB | 9 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Bjarne Berge](https://appshunter.io/developer/1209858941) | [Chu-Yi Chang](https://appshunter.io/developer/943416679) |

## What reviewers say

### AGA

[App page](https://appshunter.io/ios/app/aga-3-orifice/id1350504597)

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

**In-app purchases:** none


### 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 AGA free?

AGA costs $0.99, with no in-app purchases.

### Is Cluster2A free?

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

### Do AGA or Cluster2A have ads?

Neither AGA nor Cluster2A shows ads.

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

AGA ships an update every 15 months, and Cluster2A every 3 months. Most recently, AGA was updated on September 28, 2026 and Cluster2A on October 4, 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.*