Comparison

Komodo™ 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

Komodo™

This app offers personalized math and literacy lessons for children aged 5-11, focusing on building foundational skills. It adapts to each child's pace and includes progress tracking with options for real-life rewards to encourage learning.

Highlights
  • Personalized learning paths
  • Mathematics fluency development
  • Literacy skills (grammar, spelling, comprehension)
  • Progress tracking and reporting
  • Real-life reward system
  • Adaptive difficulty levels
Features
Read full description

For ages 5 to 11, Komodo tailors the learning experience to the needs of each child, adjusting as they go along. Komodo’s focus is on developing mathematics-fluency, the key foundation for future success in mathematics. It includes counting, addition, subtraction, multiplication, times tables, division, fractions, decimals, percentages and many more essential topics. •Komodo now includes literacy (English, Language Arts) including grammar, spelling, vocabulary, punctuation, comprehension and much more. •Komodo is not a game – it’s designed to be effective without keeping children at the screen too long. •Komodo reports back on your child's progress as often as you'd like, and allows you to set real-life rewards to motivate them along the way •One of the most important parts of a child's learning is your involvement. Komodo helps you support your child's learning in a way that you'll both find quick, fun and rewarding too. •Komodo's adaptive system allows kids to skip to an appropriate level once they have mastered a topic, so even the most able should find it constantly rewarding and challenging. Komodo is winner of the prestigious BETT Award for Best Home and Family Educational Resource. It is also winner of the Samsung Digital Media Award and the DANI Award.

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

Komodo™4 screens
Night Zookeeper4 screens

Verdict

The call

The clearest difference is in-app purchases: Komodo™ at none against Night Zookeeper's 12. Komodo™ also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.0). Night Zookeeper's advantage is review sentiment (83% vs 64%) and ratings volume (592 vs 109). On price, rating, ads 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. Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. Komodo™ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Komodo™ against 4.6 for Night Zookeeper. That said, the two scores are not equally well evidenced: Night Zookeeper has 592 ratings behind it against 109, so its average is the more settled of the two. Written reviews are what separate them: 64% of Komodo™'s written reviews are positive against 83% of Night Zookeeper's.

UpkeepUpdate frequency

Komodo™ ships an update every 3 weeks, Night Zookeeper every 2 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
Komodo™ versus Night Zookeeper: the parameters behind the verdict, then further details
ParameterKomodo™Night Zookeeper
PriceFreeFree
Rating4.6 (109 ratings)4.6 (592 ratings)
Positive reviews63.6% of reviews82.8% of reviews — better
Number of ratings109592 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size55 MB378 MB
Age rating4+4+
DeveloperKomodomath.comWonky Star

Customer experience

Komodo™

All ratings109 ratings
Positive89.0%
Neutral3.7%
Negative7.3%
Written reviews44 reviews
Positive63.6%
Neutral9.1%
Negative27.3%

Night Zookeeper

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

User reviews

Komodo™

From 109 App Store ratings

What we love

  • 👍 Fun and engaging for kids
  • 🧠 Effective learning tool
  • 🌟 Highly motivating
  • 👨‍🏫 Helps build strong foundation
  • 💡 Streamlined and not chaotic

Room to improve

  • ⚠️ Not challenging enough for gifted children
  • 🥱 Can become boring quickly
  • 🤷‍♀️ Lacks variety in exercises
  • 🚫 No immediate feedback on wrong answers
  • 💰 Expensive subscription

Night Zookeeper

From 592 App Store ratings

What we love

  • 👍 Fun and engaging
  • 🚀 Helps improve writing skills
  • 💡 Gamifies learning
  • 👍 Motivates reluctant writers
  • 👍 Constructive feedback from tutors

Room to improve

  • 🐛 Glitchy and laggy performance
  • 🐛 Inconsistent difficulty levels
  • 🔋 Drains device battery
  • 🔒 Questionable subscription practices

Bugs and requests

Komodo™

Reported bugs

6 issues
  • Login issues / No way to sign up
  • Screen freezes after saving
  • Setup video doesn't play
  • App does not remember passwords
  • Bug in the rewards section
Show 1 more
  • Inconsistent reward system functionality

Requested features

8 requests
  • Add a 12+ age option for older kids
  • Update app for iOS 13 and newer devices
  • Improve password memory functionality
  • Fix bug in the rewards section
  • Provide more variety in exercises
Show 3 more
  • Introduce concepts and explain why answers are wrong
  • Provide immediate feedback to wrong answers
  • Offer a more upfront explanation of subscription costs

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

None

Komodo™

No in-app purchases

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 Komodo™ free?
Komodo™ is free to download, with no in-app purchases.
Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Which has better reviews, Komodo™ or Night Zookeeper?
Komodo™ and Night Zookeeper are both rated 4.6 out of 5 on the App Store, from 109 and 592 ratings respectively.
Do Komodo™ or Night Zookeeper have ads?
Neither Komodo™ nor Night Zookeeper shows ads.
Which is updated more often, Komodo™ or Night Zookeeper?
Komodo™ ships an update every 3 weeks, and Night Zookeeper every 2 months. Most recently, Komodo™ was updated on October 14, 2026 and Night Zookeeper on October 15, 2026.

Other comparisons