# HerzComp 650 vs StayAhead Construction

The clearest difference is update cadence: StayAhead Construction at monthly against HerzComp 650's every 2 months. StayAhead Construction also leads on iOS requirement (13.0 vs 17.0). 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.

HerzComp 650 ships an update every 2 months, StayAhead Construction monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HerzComp 650 | StayAhead Construction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 43 MB | 48 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SV Technics](https://appshunter.io/developer/1384360031) | [Intechnity Sp. z o.o.](https://appshunter.io/developer/1812219824) |

## What reviewers say

### HerzComp 650

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

**In-app purchases:** none


### StayAhead Construction

[App page](https://appshunter.io/ios/app/stayahead-construction/id6745434140)

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

**In-app purchases:** none


## Frequently asked questions

### Is HerzComp 650 free?

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

### Is StayAhead Construction free?

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

### Do HerzComp 650 or StayAhead Construction have ads?

Neither HerzComp 650 nor StayAhead Construction shows ads.

### Which is updated more often, HerzComp 650 or StayAhead Construction?

HerzComp 650 ships an update every 2 months, and StayAhead Construction monthly. Most recently, HerzComp 650 was updated on October 27, 2026 and StayAhead Construction on October 25, 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.*