# ONO vs Rolling Orb

The clearest difference is in-app purchases: Rolling Orb at none against ONO's 1. Rolling Orb also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. ONO sells 1 one-off in-app purchase. Rolling Orb asks for nothing beyond the download.

## The numbers

| Metric | ONO | Rolling Orb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/ono-think-straight/id1533608908/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 102 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Real Maxwell LLC](https://appshunter.io/developer/1296946363) | [SEUNGGEUN PARK](https://appshunter.io/developer/1726289065) |

## What reviewers say

### ONO

[App page](https://appshunter.io/ios/app/ono-think-straight/id1533608908)

A unique logic puzzle game where you clear 'O's from the screen to achieve 'ONO'. It offers a hybrid casual puzzle experience with increasing complexity and variety. Designed to improve clarity, focus, and working memory through engaging gameplay.

**Highlights:** Unique logic puzzle mechanics, Chain reaction gameplay, Hybrid casual puzzle experience, Improves clarity and focus, 24 levels with increasing difficulty, Free play mode, Thousands of puzzle variations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads in ONO | $0.99 | one-time |


### Rolling Orb

[App page](https://appshunter.io/ios/app/rolling-orb/id6478071202)

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

**In-app purchases:** none


## Frequently asked questions

### Is ONO free?

ONO is free to download, with in-app purchases available.

### Is Rolling Orb free?

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

### Do ONO or Rolling Orb have ads?

ONO shows ads; Rolling Orb does not.

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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.*