# CIRCULATING KIND WORLD vs 99 Balls 3D

The clearest difference is in-app purchases: 99 Balls 3D at none against CIRCULATING KIND WORLD's 1. 99 Balls 3D also leads on update cadence (every 2 months vs every 18 months) and device support. CIRCULATING KIND WORLD's advantage is iOS requirement (13.0 vs 15.0). On price there is nothing between them.

Both are free to download. CIRCULATING KIND WORLD sells 1 one-off in-app purchase. 99 Balls 3D asks for nothing beyond the download.

CIRCULATING KIND WORLD ships an update every 18 months, 99 Balls 3D every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CIRCULATING KIND WORLD | 99 Balls 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Size | 49 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wada System, K.K](https://appshunter.io/developer/576215741) | [温宜 邱](https://appshunter.io/developer/1890357345) |

## What reviewers say

### CIRCULATING KIND WORLD

[App page](https://appshunter.io/ios/app/circulating-kind-world/id6670584574)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove restrictions | $9.99 | one-time |


### 99 Balls 3D

[App page](https://appshunter.io/ios/app/99-balls-3d/id6762119293)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CIRCULATING KIND WORLD free?

CIRCULATING KIND WORLD is free to download, with in-app purchases available.

### Is 99 Balls 3D free?

99 Balls 3D is free to download, with no in-app purchases.

### Which is updated more often, CIRCULATING KIND WORLD or 99 Balls 3D?

CIRCULATING KIND WORLD ships an update every 18 months, and 99 Balls 3D every 2 months. Most recently, CIRCULATING KIND WORLD was updated on October 27, 2026 and 99 Balls 3D on October 24, 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.*