# OpenAirScan vs Niostar

The clearest difference is update cadence: OpenAirScan at every 2 months against Niostar's every 29 months. Niostar's advantage is iOS requirement (15.6 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.

OpenAirScan ships an update every 2 months, Niostar every 29 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OpenAirScan | Niostar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/openairscan/id1663611384/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 29 months |
| Monetization | Free | — |
| Size | 7 MB | 7 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Leo Wehrfritz](https://appshunter.io/developer/1663611386) | [Zhuhai Zywell Technology Co., LTD](https://appshunter.io/developer/1714367907) |

## What reviewers say

### OpenAirScan

[App page](https://appshunter.io/ios/app/openairscan/id1663611384)

This app connects to any network-enabled scanner using the ESCL (AirScan) protocol. It allows you to create scans in various formats, working with most scanners from the last decade. It is designed to be vendor-agnostic.

**Highlights:** Connects to ESCL/AirScan scanners, Vendor-agnostic compatibility, Supports various scan formats, Works with network-enabled scanners, Compatible with most modern scanners

**Features:** Vision Pro support

**In-app purchases:** none


### Niostar

[App page](https://appshunter.io/ios/app/niostar/id6462579411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenAirScan free?

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

### Is Niostar free?

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

### Do OpenAirScan or Niostar have ads?

Neither OpenAirScan nor Niostar shows ads.

### Which is updated more often, OpenAirScan or Niostar?

OpenAirScan ships an update every 2 months, and Niostar every 29 months. Most recently, OpenAirScan was updated on October 24, 2026 and Niostar on October 15, 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.*