# Cluster2A vs HeatCond2D

The clearest difference is update cadence: HeatCond2D at every 3 weeks against Cluster2A's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cluster2A sells 2 one-off in-app purchases and HeatCond2D sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cluster2A ships an update every 3 months, HeatCond2D every 3 weeks. Both last shipped on September 17, 2026.

## The numbers

| Metric | Cluster2A | HeatCond2D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 9 MB | 86 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Chu-Yi Chang](https://appshunter.io/developer/943416679) | [Intellicreed Sdn. Bhd.](https://appshunter.io/developer/1735640078) |

## 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 |


### HeatCond2D

[App page](https://appshunter.io/ios/app/heatcond2d/id6737733095)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version (1 Week) | $6.99 | per 7 days |
| Pro Version (1 Month) | $24.99 | per month |
| Pro Version (3 Months) | $49.99 | per 3 months |
| Pro Version (6 Months) | $74.99 | per 6 months |
| Pro Version (1 Year) | $99.99 | per year |


## Frequently asked questions

### Is Cluster2A free?

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

### Is HeatCond2D free?

HeatCond2D is free to download, with in-app purchases available.

### Do Cluster2A or HeatCond2D have ads?

Neither Cluster2A nor HeatCond2D shows ads.

### Which is updated more often, Cluster2A or HeatCond2D?

Cluster2A ships an update every 3 months, and HeatCond2D every 3 weeks. Most recently, Cluster2A was updated on September 17, 2026 and HeatCond2D on September 17, 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.*