# Cluster2A vs HappyNation Boost

The clearest difference is in-app purchases: HappyNation Boost at none against Cluster2A's 2. HappyNation Boost also leads on device support (3 vs 1) and iOS requirement (12.0 vs 26.2). Cluster2A's advantage is update cadence (every 3 months vs every 11 months). On price and ads there is nothing between them.

Both are free to download. Cluster2A sells 2 one-off in-app purchases. HappyNation Boost asks for nothing beyond the download.

Cluster2A ships an update every 3 months, HappyNation Boost every 11 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Cluster2A | HappyNation Boost |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Size | 9 MB | 46 MB |
| Requires iOS | 26.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chu-Yi Chang](https://appshunter.io/developer/943416679) | [happy Nation boost](https://appshunter.io/developer/1679951875) |

## What reviewers say

### 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 |


### HappyNation Boost

[App page](https://appshunter.io/ios/app/happynation-boost/id6446995720)

**In-app purchases:** none


## Frequently asked questions

### Is Cluster2A free?

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

### Is HappyNation Boost free?

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

### Do Cluster2A or HappyNation Boost have ads?

Neither Cluster2A nor HappyNation Boost shows ads.

### Which is updated more often, Cluster2A or HappyNation Boost?

Cluster2A ships an update every 3 months, and HappyNation Boost every 11 months. Most recently, Cluster2A was updated on October 4, 2026 and HappyNation Boost on September 30, 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.*