# Math Reflex vs Night Zookeeper

The clearest difference is in-app purchases: Math Reflex at none against Night Zookeeper's 12. Math Reflex also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. Math Reflex asks for nothing beyond the download.

Math Reflex ships an update every 2 days, Night Zookeeper every 2 months. The most recent releases landed on September 16, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Math Reflex | Night Zookeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (536 ratings)](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937/reviews)** |
| Number of ratings | — | **536** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Subscription |
| Size | 5 MB | 503 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tran Quang Trinh](https://appshunter.io/developer/1689899898) | [Wonky Star](https://appshunter.io/developer/573502316) |

## What reviewers say

### Math Reflex

[App page](https://appshunter.io/ios/app/math-reflex-relax/id6450960476)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Math Reflex free?

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

### Is Night Zookeeper free?

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

### Do Math Reflex or Night Zookeeper have ads?

Neither Math Reflex nor Night Zookeeper shows ads.

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

Math Reflex ships an update every 2 days, and Night Zookeeper every 2 months. Most recently, Math Reflex was updated on September 16, 2026 and Night Zookeeper on September 27, 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.*