# TT Math 4 vs Night Zookeeper

The clearest difference is review sentiment: Night Zookeeper at 82% against TT Math 4's 37%. Night Zookeeper also leads on rating (4.6 vs 3.5) and ratings volume (536 vs 83). TT Math 4's advantage is in-app purchases (none vs 12). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. TT Math 4 asks for nothing beyond the download.

Night Zookeeper holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Night Zookeeper has 536 ratings behind it against 83, so its average is the more settled of the two. Written reviews point the same way: 37% of TT Math 4's written reviews are positive against 82% of Night Zookeeper's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | TT Math 4 | Night Zookeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (83 ratings)](https://appshunter.io/ios/app/tt-math-4/id1516356640/reviews) | **[4.6 (536 ratings)](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937/reviews)** |
| Number of ratings | 83 | **536** |
| Positive reviews | 37.3% of reviews | **81.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Subscription |
| Size | 110 MB | 503 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) | [Wonky Star](https://appshunter.io/developer/573502316) |

## What reviewers say

### TT Math 4

[App page](https://appshunter.io/ios/app/tt-math-4/id1516356640)

This educational app provides interactive math lessons and practice problems for 4th graders. It offers automated grading, step-by-step explanations, and parental controls for progress tracking. The app allows for offline use of up to six lessons, making it ideal for on-the-go learning.

**Highlights:** 119 audiovisual lectures, Thousands of practice problems, Automated grading, Step-by-step audiovisual explanations, Parental progress tracking, Offline lesson access (up to 6)

**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 TT Math 4 free?

TT Math 4 is free to download, with no in-app purchases.

### Is Night Zookeeper free?

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

### Which has better reviews, TT Math 4 or Night Zookeeper?

Night Zookeeper is rated higher. TT Math 4 averages 3.5 out of 5 from 83 ratings, while Night Zookeeper averages 4.6 from 536 ratings.

### Do TT Math 4 or Night Zookeeper have ads?

Neither TT Math 4 nor Night Zookeeper shows ads.

### Which is updated more often, TT Math 4 or Night Zookeeper?

TT Math 4 ships an update every 2 months, and Night Zookeeper every 2 months. Most recently, TT Math 4 was updated on August 30, 2026 and Night Zookeeper on September 23, 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.*