# keyes arm vs VS borescope

The clearest difference is iOS requirement: keyes arm at 12.0 against VS borescope's 15.1. On price, update cadence, 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.

keyes arm ships an update every 19 months, VS borescope every 17 months. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | keyes arm | VS borescope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 17 months** |
| Size | 11 MB | 90 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [克俭 左](https://appshunter.io/developer/1449795321) | [志斌 高](https://appshunter.io/developer/1655450623) |

## What reviewers say

### keyes arm

[App page](https://appshunter.io/ios/app/keyes-arm/id1487006837)

**Features:** macOS Compatibility

**In-app purchases:** none


### VS borescope

[App page](https://appshunter.io/ios/app/vs-borescope/id6464238708)

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

**In-app purchases:** none


## Frequently asked questions

### Is keyes arm free?

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

### Is VS borescope free?

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

### Do keyes arm or VS borescope have ads?

Neither keyes arm nor VS borescope shows ads.

### Which is updated more often, keyes arm or VS borescope?

keyes arm ships an update every 19 months, and VS borescope every 17 months. Most recently, keyes arm was updated on September 28, 2026 and VS borescope on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*