# GV vs Otrol

The clearest difference is update cadence: Otrol at monthly against GV's every 6 months. GV's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads 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.

GV ships an update every 6 months, Otrol monthly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GV | Otrol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 37 MB | 37 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GeoVision inc](https://appshunter.io/developer/314532695) | [DoubleVision Technology Co., Ltd.](https://appshunter.io/developer/1146786618) |

## What reviewers say

### GV

[App page](https://appshunter.io/ios/app/gv-face/id1317183887)

**Features:** macOS Compatibility

**In-app purchases:** none


### Otrol

[App page](https://appshunter.io/ios/app/otrol-csc/id1558995591)

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

**In-app purchases:** none


## Frequently asked questions

### Is GV free?

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

### Is Otrol free?

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

### Do GV or Otrol have ads?

Neither GV nor Otrol shows ads.

### Which is updated more often, GV or Otrol?

GV ships an update every 6 months, and Otrol monthly. Most recently, GV was updated on October 26, 2026 and Otrol on October 30, 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.*