Comparison

Night Zookeeper vs DiElaMathema

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 fun for children aged 6-12 with engaging games, video lessons, and skill challenges. It boosts confidence and improves spelling, grammar, and writing skills with personalized feedback from qualified tutors.

Highlights
  • Mini games and video lessons
  • Skill challenges covering English language arts
  • Personalized feedback from qualified tutors
  • Parent dashboard for progress tracking
  • 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

DiElaMathema

Features
Read full description

DiEla Mathema - Fun Math Practice for all ages! Transform math learning into an exciting adventure! DiEla Mathema makes practicing math fun and engaging for children of all ages and skill levels. FEATURES: All Grade Levels - From Kindergarten to Grade 5 Four Operations - Addition, Subtraction, Multiplication, Division Instant Feedback - Learn from mistakes immediately Progress Tracking - Watch your score and level grow Streak System - Bonus points for consecutive correct answers Customizable Settings - Choose difficulty and operations iPad Optimized - Large, easy-to-read text and buttons Friendly Design - Colorful, intuitive interface PERFECT FOR: • Homework practice • Building math confidence • Improving mental math speed • Learning at your own pace • Fun educational screen time HOW IT WORKS: Solve math problems by selecting the correct answer from multiple choices. Correct answers turn green and increase your score and streak. Wrong answers turn red with encouragement to try again. Every 5 correct answers in a row levels you up! ADJUSTABLE DIFFICULTY: Choose from 6 grade levels with number ranges from 1-10 (Kindergarten) up to 1-1000 (Grade 5). Enable or disable specific math operations to focus on what matters most. Make math practice something you actually enjoy! Download DiEla Mathema today.

Screenshots

Night Zookeeper4 screens
DiElaMathema4 screens

Verdict

The call

The clearest difference is in-app purchases: DiElaMathema at none against Night Zookeeper's 10. DiElaMathema also leads on update cadence (every 2 days vs every 5 weeks). 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. DiElaMathema asks for nothing beyond the download.

UpkeepUpdate frequency

Night Zookeeper ships an update every 5 weeks, DiElaMathema every 2 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Night Zookeeper versus DiElaMathema: the parameters behind the verdict, then further details
ParameterNight ZookeeperDiElaMathema
PriceFreeFree
Rating4.6 (626 ratings) — better—
Positive reviews78.1% of reviews—
Number of ratings626 — better—
Update frequencyEvery 5 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size393 MB7 MB
Age rating4+4+
DeveloperWonky StarRamill Ibragimov

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

DiElaMathema

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

DiElaMathema

No in-app purchases

Questions

Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Is DiElaMathema free?
DiElaMathema is free to download, with no in-app purchases.
Do Night Zookeeper or DiElaMathema have ads?
Neither Night Zookeeper nor DiElaMathema shows ads.
Which is updated more often, Night Zookeeper or DiElaMathema?
Night Zookeeper ships an update every 5 weeks, and DiElaMathema every 2 days. Most recently, Night Zookeeper was updated on November 11, 2026 and DiElaMathema on October 31, 2026.

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