Comparison

TT Math 4 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

TT Math 4

This educational app provides interactive math lessons and practice problems for 4th graders. It offers automated grading, step-by-step explanations, and parental controls for progress tracking. The app allows for offline use of up to six lessons, making it ideal for on-the-go learning.

Highlights
  • 119 audiovisual lectures
  • Thousands of practice problems
  • Automated grading
  • Step-by-step audiovisual explanations
  • Parental progress tracking
  • Offline lesson access (up to 6)
Read full description

The Teaching Textbooks Math 4 app makes your TT course even better! Not only will your student enjoy math while learning independently, but, with the app, that learning can also take place on the go. Even when offline! Specifically, the app can be used offline for up to 6 lessons at a time. That makes it perfect for homeschool parents who need their kids to stay productive while the family is out and about during the day. The app’s other features include… • 119 audiovisual lectures that teach every core concept in the standard 4th grade curriculum • thousands of problems that give students all the practice they need to master each concept • automated grading and instant feedback for every single problem • step-by-step audiovisual explanations to every single problem so students can see exactly what they did wrong when mistakes are made (This makes the program feel as if a tutor is at the student’s side!) • parental controls that let you track your student’s progress • the digitized version of the printed Teaching Textbooks Math 4 textbook (with a search feature and a hyper-linked index) • no advertising or in-app purchase offers • Internet connectivity is required, but you can remain offline for up to 6 lessons.

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

TT Math 44 screens
Night Zookeeper4 screens

Verdict

The call

The clearest difference is review sentiment: Night Zookeeper at 82% against TT Math 4's 37%. Night Zookeeper also leads on rating (4.6 vs 3.5) and ratings volume (536 vs 83). TT Math 4's advantage is in-app purchases (none vs 12). On price, update cadence, 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. TT Math 4 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Night Zookeeper holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Night Zookeeper has 536 ratings behind it against 83, so its average is the more settled of the two. Written reviews point the same way: 37% of TT Math 4's written reviews are positive against 82% of Night Zookeeper's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 30, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
TT Math 4 versus Night Zookeeper: the parameters behind the verdict, then further details
ParameterTT Math 4Night Zookeeper
PriceFreeFree
Rating3.5 (83 ratings)4.6 (536 ratings) — better
Positive reviews37.3% of reviews81.8% of reviews — better
Number of ratings83536 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size110 MB503 MB
Age rating4+4+
DeveloperTeaching Textbooks, Inc.Wonky Star

Customer experience

TT Math 4

All ratings83 ratings
Positive61.4%
Neutral6.0%
Negative32.5%
Written reviews51 reviews
Positive37.3%
Neutral5.9%
Negative56.9%

Night Zookeeper

All ratings536 ratings
Positive90.5%
Neutral2.1%
Negative7.5%
Written reviews88 reviews
Positive81.8%
Neutral2.3%
Negative15.9%

Bugs and requests

TT Math 4

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

None

TT Math 4

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 TT Math 4 free?
TT Math 4 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, TT Math 4 or Night Zookeeper?
Night Zookeeper is rated higher. TT Math 4 averages 3.5 out of 5 from 83 ratings, while Night Zookeeper averages 4.6 from 536 ratings.
Do TT Math 4 or Night Zookeeper have ads?
Neither TT Math 4 nor Night Zookeeper shows ads.
Which is updated more often, TT Math 4 or Night Zookeeper?
TT Math 4 ships an update every 2 months, and Night Zookeeper every 2 months. Most recently, TT Math 4 was updated on August 30, 2026 and Night Zookeeper on September 23, 2026.

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