# KBProAOA vs Three9x

KBProAOA and Three9x are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KBProAOA ships an update every 3 weeks, Three9x every 5 weeks. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KBProAOA | Three9x |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 6 MB | 496 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KKM Co.,Ltd.](https://appshunter.io/developer/1009170317) | [THREE9X (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/6782750724) |

## What reviewers say

### KBProAOA

[App page](https://appshunter.io/ios/app/kbproaoa/id6593663242)

**Features:** macOS Compatibility

**In-app purchases:** none


### Three9x

[App page](https://appshunter.io/ios/app/three9x/id6782750722)

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

**In-app purchases:** none


## Frequently asked questions

### Is KBProAOA free?

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

### Is Three9x free?

Three9x is free to download, with no in-app purchases.

### Do KBProAOA or Three9x have ads?

Neither KBProAOA nor Three9x shows ads.

### Which is updated more often, KBProAOA or Three9x?

KBProAOA ships an update every 3 weeks, and Three9x every 5 weeks. Most recently, KBProAOA was updated on September 30, 2026 and Three9x on October 2, 2026.

---

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