# Synthesis Learning vs Night Zookeeper

The clearest difference is in-app purchases: Synthesis Learning at none against Night Zookeeper's 12. 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. Synthesis Learning asks for nothing beyond the download.

## The numbers

| Metric | Synthesis Learning | Night Zookeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (592 ratings)](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937/reviews)** |
| Number of ratings | — | **592** |
| Positive reviews | — | 82.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Subscription |
| Size | 4 MB | 378 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sunil Kothari](https://appshunter.io/developer/1583746059) | [Wonky Star](https://appshunter.io/developer/573502316) |

## What reviewers say

### Synthesis Learning

[App page](https://appshunter.io/ios/app/synthesis-learning/id6449401383)

**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 Synthesis Learning free?

Synthesis Learning 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 Synthesis Learning or Night Zookeeper have ads?

Neither Synthesis Learning nor Night Zookeeper shows ads.

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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.*