# AIR vs Gaintron

The clearest difference is ads: Gaintron at none against AIR's shown. AIR's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, update cadence 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.

AIR ships an update every 4 weeks, Gaintron every 3 weeks. The most recent releases landed on October 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | AIR | Gaintron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (60 ratings)](https://appshunter.io/ios/app/air-look/id6683302989/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 148 MB | 36 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [Shanghai Jeatron Technology Co., Ltd.](https://appshunter.io/developer/6794250604) |

## What reviewers say

### AIR

[App page](https://appshunter.io/ios/app/air-look/id6683302989)

View real-time video data from an endoscope camera directly on your mobile device. This application connects to your endoscope to provide live visual feedback.

**Highlights:** Real-time video viewing, Endoscope camera connection, Live visual feedback

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Good camera quality
- 👍 Easy to connect
- 👍 Works as intended

**What reviewers complain about**

- 🐛 Unstable connection
- 🔋 Drains battery
- 💩 Intrusive ads
- 🔒 Privacy concerns
- 🤯 Requires frequent reinstallation

**Reported bugs**

- Frequent disconnections
- Camera not working after initial use
- Incompatible with newer iOS versions

**Requested features**

- Improve connection stability
- Reduce battery drain
- Remove intrusive ads
- Improve privacy protections


### Gaintron

[App page](https://appshunter.io/ios/app/gaintron/id6804551898)

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

**In-app purchases:** none


## Frequently asked questions

### Is AIR free?

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

### Is Gaintron free?

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

### Do AIR or Gaintron have ads?

AIR shows ads; Gaintron does not.

### Which is updated more often, AIR or Gaintron?

AIR ships an update every 4 weeks, and Gaintron every 3 weeks. Most recently, AIR was updated on October 30, 2026 and Gaintron on October 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.*