# NineGaps vs Brainzy

NineGaps and Brainzy both sit at 4.0 stars, but that hides the real split: 88% of NineGaps's written reviews are positive against 0% of Brainzy's. NineGaps also leads on in-app purchases (none vs 8) and ads (none vs shown). Brainzy's advantage is update cadence (every 9 days vs every 26 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Brainzy sells 8 one-off in-app purchases. NineGaps asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for NineGaps against 4.0 for Brainzy. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews are what separate them: 88% of NineGaps's written reviews are positive against 0% of Brainzy's.

NineGaps ships an update every 26 months, Brainzy every 9 days. The most recent releases landed on October 31, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | NineGaps | Brainzy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (10 ratings)](https://appshunter.io/ios/app/ninegaps/id317223443/reviews) | [4.0 (4 ratings)](https://appshunter.io/ios/app/brainzy/id6450511599/reviews) |
| Number of ratings | **10** | 4 |
| Positive reviews | **88.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 72 MB | 16 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Quadion Technologies LLC](https://appshunter.io/developer/317223446) | [MobileApp LLC](https://appshunter.io/developer/1651136704) |

## 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


### Brainzy

[App page](https://appshunter.io/ios/app/brainzy/id6450511599)

Engage in daily trivia challenges and solve puzzles to earn points and unlock real-life gifts. Compete globally for the fastest answers and climb leaderboards to win increasingly valuable rewards.

**Highlights:** Daily trivia challenges, Solve puzzles, Win real-life gifts, Global leaderboards, Hints available, Puzzle archive

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Timeless Puzzles | $0.99 | one-time |
| 10 hints | $0.99 | one-time |
| 25 Timeless Puzzles | $1.99 | one-time |
| 25 Hints | $1.99 | one-time |
| 50 Timeless Puzzles | $2.99 | one-time |
| 50 Hints | $2.99 | one-time |
| 100 Timeless Puzzles | $5.99 | one-time |
| 100 Hints | $5.99 | one-time |


## Frequently asked questions

### Is NineGaps free?

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

### Is Brainzy free?

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

### Which has better reviews, NineGaps or Brainzy?

NineGaps and Brainzy are both rated 4.0 out of 5 on the App Store, from 10 and 4 ratings respectively.

### Do NineGaps or Brainzy have ads?

Brainzy shows ads; NineGaps does not.

### Which is updated more often, NineGaps or Brainzy?

NineGaps ships an update every 26 months, and Brainzy every 9 days. Most recently, NineGaps was updated on October 31, 2026 and Brainzy on November 4, 2026.

---

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