# Master Math Island vs Night Zookeeper

The clearest difference is rating: Night Zookeeper at 4.6 against Master Math Island's 3.0. Night Zookeeper also leads on review sentiment (83% vs 50%) and ratings volume (592 vs 4). Master Math Island's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Master Math Island sells 7 one-off in-app purchases and Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Night Zookeeper holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Night Zookeeper has 592 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of Master Math Island's written reviews are positive against 83% of Night Zookeeper's.

Master Math Island ships an update every 4 months, Night Zookeeper every 2 months. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Master Math Island | Night Zookeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/master-math-island/id6449206772/reviews) | **[4.6 (592 ratings)](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937/reviews)** |
| Number of ratings | 4 | **592** |
| Positive reviews | 50.0% of reviews | **82.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 498 MB | 378 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blake eLearning](https://appshunter.io/developer/530378341) | [Wonky Star](https://appshunter.io/developer/573502316) |

## What reviewers say

### Master Math Island

[App page](https://appshunter.io/ios/app/master-math-island/id6449206772)

This app offers a fun and engaging way to learn and practice math for ages 7-70. Through hundreds of motivating games, users can conquer number facts, build confidence, and earn in-game rewards while developing their math skills in an immersive world.

**Highlights:** Step-by-step math learning sequence, Hundreds of motivating math games, In-game rewards and progress tracking, World building and island customization, Practice basic math facts, Enhance recall, speed, and accuracy

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Bundle | $2.99 | one-time |
| Big Bundle | $5.99 | one-time |
| Modest Bundle | $7.99 | one-time |
| Big Bundle | $9.99 | one-time |
| Big Bundle | $12.99 | one-time |
| Big Bundle | $14.99 | one-time |
| Complete Bundle | $19.99 | one-time |


### Night Zookeeper

[App page](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937)

This app makes reading and writing fun for children aged 6-12. It offers mini-games, video lessons, and skill challenges covering a full English language arts curriculum. Children receive personalized feedback from tutors and earn rewards, while parents can track progress.

**Highlights:** Interactive mini-games, Video lessons, Skill challenges, Tutor feedback on writing, Parent progress tracking, Motivating rewards, Collaborative writing opportunities

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NZK 1 Month - 1 License | $14.99 | per month |
| 1 Month - 2 Licenses | $17.99 | per month |
| NZK 1 Month - 3 Licenses | $17.99 | per month |
| 1 Month - 4 Licenses | $21.99 | per month |
| 3 Months - 1 License | $36.99 | per 3 months |
| 3 Months - 2 Licenses | $49.99 | per 3 months |
| 3 Months - 3 Licenses | $49.99 | per 3 months |
| Yearly - 1 License | $118.99 | per year |
| Yearly - 2 Licenses | $154.99 | per year |
| Yearly - 3 Licenses | $154.99 | per year |
| Yearly - 4 Licenses | $189.99 | per year |
| Yearly - 5 Licenses | $239.99 | per year |

**What reviewers like**

- 👍 Fun and engaging
- 🚀 Helps improve writing skills
- 💡 Gamifies learning
- 👍 Motivates reluctant writers
- 👍 Constructive feedback from tutors

**What reviewers complain about**

- 🐛 Glitchy and laggy performance
- 🐛 Inconsistent difficulty levels
- 🔋 Drains device battery
- 🔒 Questionable subscription practices

**Reported bugs**

- Freezing and crashing issues
- Upside-down screen when creating new characters
- Audio not working consistently

**Requested features**

- Dark mode option
- Compatibility improvements for older devices
- More content for older age groups


## Frequently asked questions

### Is Master Math Island free?

Master Math Island is free to download, with in-app purchases available.

### Is Night Zookeeper free?

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

### Which has better reviews, Master Math Island or Night Zookeeper?

Night Zookeeper is rated higher. Master Math Island averages 3.0 out of 5 from 4 ratings, while Night Zookeeper averages 4.6 from 592 ratings.

### Do Master Math Island or Night Zookeeper have ads?

Neither Master Math Island nor Night Zookeeper shows ads.

### Which is updated more often, Master Math Island or Night Zookeeper?

Master Math Island ships an update every 4 months, and Night Zookeeper every 2 months. Most recently, Master Math Island was updated on October 5, 2026 and Night Zookeeper on October 20, 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.*