# Grammaropolis vs Night Zookeeper

The clearest difference is price: Night Zookeeper at Free against Grammaropolis's $5.99. Night Zookeeper also leads on rating (4.6 vs 3.9) and ratings volume (609 vs 12). Grammaropolis's advantage is in-app purchases (none vs 12) and iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.

Night Zookeeper is free to download; Grammaropolis costs $5.99 up front. Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. Grammaropolis asks for nothing beyond the download.

Night Zookeeper holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Night Zookeeper has 609 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 73% of Grammaropolis's written reviews are positive against 83% of Night Zookeeper's.

Grammaropolis ships an update every 6 months, Night Zookeeper every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Grammaropolis | Night Zookeeper |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [3.9 (12 ratings)](https://appshunter.io/ios/app/grammaropolis-complete-edition/id580476057/reviews) | **[4.6 (609 ratings)](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937/reviews)** |
| Number of ratings | 12 | **609** |
| Positive reviews | 72.7% of reviews | **83.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | **Paid** | Subscription |
| Size | 265 MB | 378 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grammaropolis LLC](https://appshunter.io/developer/416441552) | [Wonky Star](https://appshunter.io/developer/573502316) |

## What reviewers say

### Grammaropolis

[App page](https://appshunter.io/ios/app/grammaropolis-complete-edition/id580476057)

This app makes learning grammar fun by personifying parts of speech as animated characters. Explore neighborhoods with songs, books, videos, and quizzes to master grammar concepts.

**Highlights:** Animated character-based lessons, Interactive curriculum maps, Songs, books, and videos, Quiz-based assessments, Progress tracking with badges, Covers all parts of speech

**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 Grammaropolis free?

Grammaropolis costs $5.99, with no in-app purchases.

### Is Night Zookeeper free?

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

### Which has better reviews, Grammaropolis or Night Zookeeper?

Night Zookeeper is rated higher. Grammaropolis averages 3.9 out of 5 from 12 ratings, while Night Zookeeper averages 4.6 from 609 ratings.

### Do Grammaropolis or Night Zookeeper have ads?

Neither Grammaropolis nor Night Zookeeper shows ads.

### Which is updated more often, Grammaropolis or Night Zookeeper?

Grammaropolis ships an update every 6 months, and Night Zookeeper every 2 months. Most recently, Grammaropolis was updated on October 23, 2026 and Night Zookeeper 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.*