Comparison

Master Math Island vs Night Zookeeper

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

Head to head
About

Master Math Island

This app offers a fun and engaging way to learn and practice math for ages 7-70. Through hundreds of motivating games, users can conquer number facts, build confidence, and earn in-game rewards while developing their math skills in an immersive world.

Highlights
  • Step-by-step math learning sequence
  • Hundreds of motivating math games
  • In-game rewards and progress tracking
  • World building and island customization
  • Practice basic math facts
  • Enhance recall, speed, and accuracy
Features
Read full description

Introducing Master Math Island! For ages 7-70, this app is the fun and easy way to learn and practice math. From the leaders in foundational learning, this powerful step-by-step learning sequence will fast track your math progress. With hundreds of motivating games, you will conquer number facts, build confidence and enjoy many in-game rewards. Learners on Master Math Island practice more often, as they feel rewarded and motivated to achieve more each day. Whether you're a student seeking to sharpen your skills or an adult longing to conquer those math challenges from your past, Master Math Island is here to guide you on a fun and fulfilling journey. With its magical blend of educational excellence and immersive entertainment, Master Math Island will transport you to a world brimming with delightful rewards, superb world building, and enchanting daily habits. Lose yourself in the serene ambiance as you build your own island escape, tailored by you to match your desires. This is more than just a math app; it's a serene refuge where learning becomes a pleasure. Master Math Island targets all ages, from 7-70, so that everyone can join the adventure. While students form our core audience, we've crafted Master Math Island to have broad appeal. Even if you struggled with math during your school days, fear not! This app has been designed specifically to improve your basic math skills and boost your confidence. With Master Math Island, we strive to achieve two primary goals: educational excellence and immersive entertainment. Enhance your recall, speed, and accuracy of basic math facts through engaging gameplay. There’s a journey combined with fun ways to learn, brain training and world building all in one easy-to-play, free-to-play app. Picture yourself in a whimsical restaurant, where you become a culinary master alongside renowned island chefs. Each recipe in this delightful world-building game has multiple stages, encouraging you to revisit and perfect them. Your masterpiece is then added to your restaurant menu, showcasing your accomplishments to the Math Island world. Master Math Island is not just fun and motivating; it's packed with surprises at every turn. Unleash your inner math genius while exploring an enchanting world, filled with delightful characters, captivating stories, and incredible challenges. We guarantee that your math fact skills will significantly improve, all while you revel in the joy of play. Join us on Master Math Island today and embark on a math adventure like no other. Experience the power of learning and the thrill of accomplishment as you unlock your math superpowers. Get ready to build, explore, and conquer the world of numbers with Master Math Island.

About

Night Zookeeper

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
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!

Screenshots

Master Math Island4 screens
Night Zookeeper4 screens

Verdict

The call

The clearest difference is rating: Night Zookeeper at 4.6 against Master Math Island's 3.0. Night Zookeeper also leads on review sentiment (83% vs 50%) and ratings volume (592 vs 4). Master Math Island's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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. Master Math Island sells 7 one-off in-app purchases and Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Night Zookeeper holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Night Zookeeper has 592 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of Master Math Island's written reviews are positive against 83% of Night Zookeeper's.

UpkeepUpdate frequency

Master Math Island ships an update every 4 months, Night Zookeeper every 2 months. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 4 level
Master Math Island versus Night Zookeeper: the parameters behind the verdict, then further details
ParameterMaster Math IslandNight Zookeeper
PriceFreeFree
Rating3.0 (4 ratings)4.6 (592 ratings) — better
Positive reviews50.0% of reviews82.8% of reviews — better
Number of ratings4592 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size498 MB378 MB
Age rating4+4+
DeveloperBlake eLearningWonky Star

Customer experience

Master Math Island

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Night Zookeeper

All ratings592 ratings
Positive90.5%
Neutral2.2%
Negative7.3%
Written reviews93 reviews
Positive82.8%
Neutral2.2%
Negative15.1%

Bugs and requests

Master Math Island

Not enough reviews yet to summarise bugs or 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

In-app purchases

7 purchases

Master Math Island

One-time7
  • Simple Bundle2 variants$2.99
  • Big Bundle$5.99
  • Modest Bundle2 variants$7.99
Show 4 more
  • Big Bundle$9.99
  • Big Bundle$12.99
  • Big Bundle2 variants$14.99
  • Complete Bundle$19.99
12 purchases

Night Zookeeper

Subscriptions12
  • 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 9 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
  • Yearly - 4 Licenses7 Days trial$189.991 Year
  • Yearly - 5 Licenses7 Days trial$239.991 Year

Questions

Is Master Math Island free?
Master Math Island is free to download, with in-app purchases available.
Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Which has better reviews, Master Math Island or Night Zookeeper?
Night Zookeeper is rated higher. Master Math Island averages 3.0 out of 5 from 4 ratings, while Night Zookeeper averages 4.6 from 592 ratings.
Do Master Math Island or Night Zookeeper have ads?
Neither Master Math Island nor Night Zookeeper shows ads.
Which is updated more often, Master Math Island or Night Zookeeper?
Master Math Island ships an update every 4 months, and Night Zookeeper every 2 months. Most recently, Master Math Island was updated on October 5, 2026 and Night Zookeeper on October 20, 2026.

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