# Understandify vs AimMaster

The clearest difference is update cadence: AimMaster at every 3 weeks against Understandify's every 13 months. AimMaster also leads on device support and iOS requirement (12.0 vs 15.1). 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.

Understandify ships an update every 13 months, AimMaster every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Understandify | AimMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Size | 63 MB | 83 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Done Enterprises Ab Oy](https://appshunter.io/developer/1675347771) | [Zhejiang Zhiding Robot Co., Ltd.](https://appshunter.io/developer/1879738455) |

## What reviewers say

### Understandify

[App page](https://appshunter.io/ios/app/understandify/id6445995873)

**In-app purchases:** none


### AimMaster

[App page](https://appshunter.io/ios/app/aimmaster/id6736896363)

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

**In-app purchases:** none


## Frequently asked questions

### Is Understandify free?

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

### Is AimMaster free?

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

### Which is updated more often, Understandify or AimMaster?

Understandify ships an update every 13 months, and AimMaster every 3 weeks. Most recently, Understandify was updated on October 6, 2026 and AimMaster on October 4, 2026.

---

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