# Night Zookeeper vs Smart SIS

The clearest difference is in-app purchases: Smart SIS at none against Night Zookeeper's 12. Smart SIS also leads on update cadence (weekly vs every 2 months). Night Zookeeper's advantage is iOS requirement (15.0 vs 26.0). On price, 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. Smart SIS asks for nothing beyond the download.

Night Zookeeper ships an update every 2 months, Smart SIS weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Night Zookeeper | Smart SIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (611 ratings)](https://appshunter.io/ios/app/night-zookeeper-fun-learning/id6504489937/reviews)** | — |
| Number of ratings | **611** | — |
| Positive reviews | 83.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Subscription | — |
| Size | 378 MB | 29 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wonky Star](https://appshunter.io/developer/573502316) | [Intellite](https://appshunter.io/developer/1864542386) |

## What reviewers say

### 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


### Smart SIS

[App page](https://appshunter.io/ios/app/smart-sis/id6759192558)

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

**In-app purchases:** none


## Frequently asked questions

### Is Night Zookeeper free?

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

### Is Smart SIS free?

Smart SIS is free to download, with no in-app purchases.

### Do Night Zookeeper or Smart SIS have ads?

Neither Night Zookeeper nor Smart SIS shows ads.

### Which is updated more often, Night Zookeeper or Smart SIS?

Night Zookeeper ships an update every 2 months, and Smart SIS weekly. Most recently, Night Zookeeper was updated on October 25, 2026 and Smart SIS on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*