Comparison

Night Zookeeper vs Cornerstone Schoolhouse

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Night Zookeeper

This app makes reading and writing engaging for children aged 6-12 through interactive games, video lessons, and personalized feedback from tutors. It covers a full English language arts curriculum, boosting spelling, grammar, and confidence. Parents can track progress via a dashboard.

Highlights
  • Interactive mini-games
  • Video lessons
  • Skill challenges
  • Tutor feedback on writing
  • Parent progress dashboard
  • Weekly writing competitions
  • Collaborative writing opportunities
Features
Read full description

The multi-award winning Night Zookeeper makes reading & writing fantastically fun and easy for 6-12 year olds. It’s trusted by thousands of parents around the world to improve their children’s spelling, grammar, reading & writing skills and really boost their confidence. The app has exciting mini games, video lessons, and skill challenges, created by educational experts and covering an entire english language arts curriculum. Children can play independently, and at their own pace, earning exciting and motivating rewards along the way. Tips from characters and inspiring prompts then help your child to write pieces of writing which our qualified tutors then read and give encouraging feedback on. This feedback can be viewed in your parent dashboard, where you can also track your child’s progress and achievements, and receive monthly printable resources. Alongside the thousands of learning activities and tutor feedback, a Night Zookeeper subscription provides your child with monthly awards, weekly writing competitions, and opportunities for collaborative writing in a safe, moderated environment. Night Zookeeper is: FUN: There are thousands of exciting and engaging activities for Grades 1 to 6. TRUSTED: An award winning program, used by thousands of families. Rated 4.7 on Trustpilot from 500+ reviews. COMPREHENSIVE: The program covers a full language arts curriculum of reading, writing, spelling, grammar & punctuation, that rewards children as they progress. SELF-PACED: Children can play independently and work through the program at their own pace. PERSONALIZED: Children get written feedback from our team of tutors on their pieces of writing- so you don't need to be the bad guy! SAFE: No in-app ads or purchases. TRACKABLE: A parent dashboard helps you to easily track your child's progress. OFFLINE & ONLINE: Free monthly printable resources are sent straight to your inbox. Users must log in with their account details to access Night Zookeeper. "There is nothing quite like Night Zookeeper, and I wish I had started them on it sooner!" Tim & Jennifer, parents "My kids were always frustrated with writing and reading, now they are excited each day and have started writing full stories." Justin, parent “My kids are loving this program and writing more than they ever have before. The game format and reward system holds their attention, and their creative juices keep flowing" Paul, parent Technical details: * Internet connection required Recommended: Latest iPad, Latest iPad Pro, Latest iPad Air, Latest iPad mini, Latest iOS Subscription options: The first 7 days of a subscription are free. Subscriptions renew automatically; your App Store account will be charged unless you cancel at least 24 hours before the end of the current period. Cancel anytime in your App Store account settings. Privacy Policy: https://www.nightzookeeper.com/privacy-policy Terms & Conditions: https://www.nightzookeeper.com/terms-and-conditions Start a FREE trial of Night Zookeeper today!

About

Cornerstone Schoolhouse

Features
Read full description

Welcome to the official mobile app of Cornerstone Schoolhouse Montessori in Clinton, Ontario, Canada. This beautiful, customizable design features a clear layout of resources for Cornerstone parents, staff members, visitors, and any other members of the Cornerstone community. You can use this app to... • Get notified about important school updates • Submit absence & attendance notifications • Contact the school with the push of a button • Access important Cornerstone websites, like Transparent Classroom • Browse the latest Cornerstone social media and news • Learn more about Cornerstone Schoolhouse Montessori • And much more! Your Cornerstone app is fully customizable by you: Rearrange your portals to easily access whichever features you use most. If you access group chats frequently, you can put those portals front and center. If you never check school social media, you can turn that portal off. This app is built with cutting-edge technology and a modern, user-friendly design that's optimized based on millions of usage data points. As the technology continues to improve, you'll notice your app getting better and better over time. If you have ideas, suggestions, questions, or feedback about anything in the app, you can easily submit them through your app's suggestion box (in the "Profile" screen). This feedback will always be taken into account to continue improving the Cornerstone app experience for everyone. This app was created using Onespot, an app builder platform designed to make mobile app creation simple and accessible for any organization. With Onespot, Cornerstone Schoolhouse Montessori was able to design and launch a fully functional, customizable app without needing any technical expertise. Onespot empowers schools, businesses, and communities to build apps that enhance engagement and streamline communication. By leveraging this cutting-edge tool, Cornerstone can easily update and modify the app to meet the evolving needs of its community, ensuring a seamless experience for all users. To learn more about this app, visit MontessoriMobileApps.com. To contact the developers directly, email team@seabirdapps.com.

Screenshots

Night Zookeeper4 screens
Cornerstone Schoolhouse4 screens

Verdict

The call

The clearest difference is in-app purchases: Cornerstone Schoolhouse at none against Night Zookeeper's 10. Night Zookeeper's advantage is update cadence (every 2 months vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Night Zookeeper sells 10 in-app purchases, starting at $14.99 per month. Cornerstone Schoolhouse asks for nothing beyond the download.

UpkeepUpdate frequency

Night Zookeeper ships an update every 2 months, Cornerstone Schoolhouse every 3 months. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Night Zookeeper versus Cornerstone Schoolhouse: the parameters behind the verdict, then further details
ParameterNight ZookeeperCornerstone Schoolhouse
PriceFreeFree
Rating4.6 (621 ratings) — better—
Positive reviews78.1% of reviews—
Number of ratings621 — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size393 MB64 MB
Age rating4+4+
DeveloperWonky StarSeabird Apps

Bugs and requests

Night Zookeeper

Reported bugs

3 issues
  • Freezing and crashing issues
  • Upside-down screen when creating new characters
  • Audio not working consistently

Requested features

3 requests
  • Dark mode option
  • Compatibility improvements for older devices
  • More content for older age groups

Cornerstone Schoolhouse

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Night Zookeeper

Subscriptions10
  • NZK 1 Month - 1 License7 Days trial$14.991 Month
  • 1 Month - 2 Licenses7 Days trial$17.991 Month
  • NZK 1 Month - 3 Licenses7 Days trial$17.991 Month
Show 7 more
  • 1 Month - 4 Licenses7 Days trial$21.991 Month
  • 3 Months - 1 License7 Days trial$36.993 Months
  • 3 Months - 2 Licenses7 Days trial$49.993 Months
  • 3 Months - 3 Licenses7 Days trial$49.993 Months
  • Yearly - 1 License7 Days trial$118.991 Year
  • Yearly - 2 Licenses7 Days trial$154.991 Year
  • Yearly - 3 Licenses7 Days trial$154.991 Year
None

Cornerstone Schoolhouse

No in-app purchases

Questions

Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Is Cornerstone Schoolhouse free?
Cornerstone Schoolhouse is free to download, with no in-app purchases.
Do Night Zookeeper or Cornerstone Schoolhouse have ads?
Neither Night Zookeeper nor Cornerstone Schoolhouse shows ads.
Which is updated more often, Night Zookeeper or Cornerstone Schoolhouse?
Night Zookeeper ships an update every 2 months, and Cornerstone Schoolhouse every 3 months. Most recently, Night Zookeeper was updated on November 5, 2026 and Cornerstone Schoolhouse on October 28, 2026.

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