# Erbauer Laser vs Constapp

The clearest difference is update cadence: Constapp at every 4 months against Erbauer Laser's every 11 months. Erbauer Laser's advantage is device support and iOS requirement (10.0 vs 16.4). On price and in-app purchases there is nothing between them.

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

Erbauer Laser ships an update every 11 months, Constapp every 4 months. The most recent releases landed on May 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Erbauer Laser | Constapp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 11 months | **Every 4 months** |
| Size | 25 MB | 53 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [HANGZHOU GREAT STAR INDUSTRIAL CO.,LTD.](https://appshunter.io/developer/1063149961) | [FIDEALIS](https://appshunter.io/developer/1520234807) |

## What reviewers say

### Erbauer Laser

[App page](https://appshunter.io/ios/app/erbauer-laser/id1589886124)

**Features:** macOS Compatibility

**In-app purchases:** none


### Constapp

[App page](https://appshunter.io/ios/app/constapp/id6475644680)

**In-app purchases:** none


## Frequently asked questions

### Is Erbauer Laser free?

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

### Is Constapp free?

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

### Which is updated more often, Erbauer Laser or Constapp?

Erbauer Laser ships an update every 11 months, and Constapp every 4 months. Most recently, Erbauer Laser was updated on May 15, 2026 and Constapp on September 11, 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.*