# NineGaps vs Rolling Ball

The clearest difference is ads: NineGaps at none against Rolling Ball's shown. NineGaps also leads on iOS requirement (10.3 vs 13.0). Rolling Ball's advantage is monetization model (ad-supported vs paid) and update cadence (every 12 months vs every 26 months). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 4.0 for NineGaps against 3.9 for Rolling Ball. Both are backed by a comparable volume of ratings — 10 and 9 respectively.

NineGaps ships an update every 26 months, Rolling Ball every 12 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NineGaps | Rolling Ball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/ninegaps/id317223443/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/rolling-ball-slide-puzzle/id6444730015/reviews) |
| Number of ratings | **10** | 9 |
| Positive reviews | 88.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 12 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 72 MB | 100 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Quadion Technologies LLC](https://appshunter.io/developer/317223446) | [BAF, Ltd.](https://appshunter.io/developer/1501471707) |

## What reviewers say

### NineGaps

[App page](https://appshunter.io/ios/app/ninegaps/id317223443)

This is a challenging puzzle game where you place numbers 1-9 into gaps, matching operations. It offers a unique twist on number puzzles with multiple difficulty levels and endless replayability.

**Highlights:** Unique puzzle gameplay, Cute graphics, 5 difficulty levels, Unlimited puzzles, Leaderboards and achievements, GameCenter integration

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🧠 Excellent brain training and mental math improvement
- 🎮 Simple yet challenging gameplay mechanics
- 🎨 Clean, polished, and attractive visual design
- ⏱️ Quick games perfect for short waiting periods
- 👨‍👩‍👧‍👦 Suitable for multiple age groups and skill levels

**What reviewers complain about**

- 🔊 Loud sound effects that cannot be controlled properly
- 💾 No game saving feature when closing app
- 🧮 Does not follow proper order of operations (PEMDAS)
- 🔴 Occasional crashes or app not opening
- 🎮 Limited replay value after extended play

**Reported bugs**

- Sound effects stop working intermittently
- App crashes or fails to open on launch
- Sound volume settings not saving between sessions
- OpenFeint achievements not awarding properly
- Mathematical calculation errors in some puzzles

**Requested features**

- Solution/reveal button to show answers when stuck
- Hint system for difficult puzzles
- Game auto-save functionality
- Persistent sound settings across sessions
- Global leaderboards for competition


### Rolling Ball

[App page](https://appshunter.io/ios/app/rolling-ball-slide-puzzle/id6444730015)

A straightforward slide puzzle game where players move tiles to create a path for a ball to reach its goal. The difficulty increases as you advance through increasingly challenging levels.

**Highlights:** Slide puzzle gameplay, Create a path for the ball, Increasing difficulty, Multiple levels, Simple controls

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NineGaps free?

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

### Is Rolling Ball free?

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

### Which has better reviews, NineGaps or Rolling Ball?

NineGaps is rated higher. NineGaps averages 4.0 out of 5 from 10 ratings, while Rolling Ball averages 3.9 from 9 ratings.

### Do NineGaps or Rolling Ball have ads?

Rolling Ball shows ads; NineGaps does not.

### Which is updated more often, NineGaps or Rolling Ball?

NineGaps ships an update every 26 months, and Rolling Ball every 12 months. Most recently, NineGaps was updated on October 29, 2026 and Rolling Ball 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.*