# KAN Quick Surface vs HerzComp 650

The clearest difference is update cadence: HerzComp 650 at every 2 months against KAN Quick Surface's every 11 months. KAN Quick Surface's advantage is iOS requirement (11.0 vs 14.7). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KAN Quick Surface ships an update every 11 months, HerzComp 650 every 2 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | KAN Quick Surface | HerzComp 650 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 29 MB | 43 MB |
| Requires iOS | **11.0** | 14.7 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KAN-therm GmbH](https://appshunter.io/developer/1088230769) | [SV Technics](https://appshunter.io/developer/1384360031) |

## What reviewers say

### KAN Quick Surface

[App page](https://appshunter.io/ios/app/kan-quick-surface/id1243377753)

**Features:** macOS Compatibility

**In-app purchases:** none


### HerzComp 650

[App page](https://appshunter.io/ios/app/herzcomp-650/id1459376423)

**In-app purchases:** none


## Frequently asked questions

### Is KAN Quick Surface free?

KAN Quick Surface is free to download, with no in-app purchases.

### Is HerzComp 650 free?

HerzComp 650 is free to download, with no in-app purchases.

### Do KAN Quick Surface or HerzComp 650 have ads?

Neither KAN Quick Surface nor HerzComp 650 shows ads.

### Which is updated more often, KAN Quick Surface or HerzComp 650?

KAN Quick Surface ships an update every 11 months, and HerzComp 650 every 2 months. Most recently, KAN Quick Surface was updated on September 9, 2026 and HerzComp 650 on September 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.*