# KO vs HeatNext

The clearest difference is in-app purchases: KO at none against HeatNext's 1. KO also leads on iOS requirement (10.0 vs 15.0). HeatNext's advantage is update cadence (every 2 months vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. HeatNext sells 1 in-app purchase, starting at $22.90 per year. KO asks for nothing beyond the download.

KO ships an update every 3 months, HeatNext every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | KO | HeatNext |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 143 MB | 44 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sung hwan cha](https://appshunter.io/developer/1470912236) | [NOMNIO d.o.o.](https://appshunter.io/developer/1440372439) |

## What reviewers say

### KO

[App page](https://appshunter.io/ios/app/ko-s/id1414788201)

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

**In-app purchases:** none


### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $22.90 | per year |


## Frequently asked questions

### Is KO free?

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

### Is HeatNext free?

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

### Do KO or HeatNext have ads?

Neither KO nor HeatNext shows ads.

### Which is updated more often, KO or HeatNext?

KO ships an update every 3 months, and HeatNext every 2 months. Most recently, KO was updated on November 2, 2026 and HeatNext on November 2, 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.*