Comparison

TT Pre 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 Pre

This app provides interactive math lessons and practice problems for pre-algebra students. It offers audiovisual lectures, automated grading, and detailed explanations for every problem, allowing for independent learning and progress tracking. The app can be used offline for a limited number of lessons, making it ideal for on-the-go learning.

Highlights
  • 139 audiovisual lectures
  • Thousands of practice problems
  • Automated grading and instant feedback
  • Step-by-step audiovisual explanations
  • Parental progress tracking
  • Digitized textbook with search
Read full description

The Teaching Textbooks Pre-Algebra 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… • 139 audiovisual lectures that teach every core concept in the standard 8th 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 Pre-Algebra 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 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!

Screenshots

TT Pre4 screens
Night Zookeeper4 screens

Verdict

The call

The clearest difference is rating: Night Zookeeper at 4.6 against TT Pre's 3.2. Night Zookeeper also leads on review sentiment (78% vs 42%) and ratings volume (626 vs 141). TT Pre's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.0). 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 10 in-app purchases, starting at $14.99 per month. TT Pre asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Night Zookeeper holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 141 and 626 respectively. Written reviews point the same way: 42% of TT Pre's written reviews are positive against 78% of Night Zookeeper's.

UpkeepUpdate frequency

TT Pre ships an update every 2 months, Night Zookeeper every 5 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard6 real differences · 4 level
TT Pre versus Night Zookeeper: the parameters behind the verdict, then further details
ParameterTT PreNight Zookeeper
PriceFreeFree
Rating3.2 (141 ratings)4.6 (626 ratings) — better
Positive reviews42.3% of reviews78.1% of reviews — better
Number of ratings141626 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size84 MB393 MB
Age rating4+4+
DeveloperTeaching Textbooks, Inc.Wonky Star

Customer experience

TT Pre

All ratings109 ratings
Positive49.5%
Neutral11.9%
Negative38.5%
Written reviews52 reviews
Positive42.3%
Neutral17.3%
Negative40.4%

Night Zookeeper

All ratings626 ratings
Positive90.7%
Neutral2.4%
Negative6.9%
Written reviews105 reviews
Positive78.1%
Neutral3.8%
Negative18.1%

User reviews

TT Pre

From 141 App Store ratings

What we love

  • 👍 Great math curriculum
  • 👍 Helps with real-life preparation
  • 👍 Good for dyslexic students
  • 👍 Video tutorials are helpful
  • 👍 Narration for questions is appreciated

Room to improve

  • 👎 Voice is annoying/maddening
  • 👎 Stickers are childish/lame
  • 👎 App is buggy and glitchy
  • 👎 Starts too easy
  • 👎 Sometimes doesn't explain well

Night Zookeeper

From 626 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

TT Pre

Reported bugs

27 issues
  • Occasional bugs and glitches
  • It glitched waAaaaayyy too much
  • It’s laggy and buggy
  • INSANELY laggy
  • Answer submission bug is back and annoying
Show 22 more
  • This math is glitchy
  • kicks you out
  • got a problem right and it says not correct
  • really glitchy
  • can now barely even finish a lesson
  • Apple Pencil to help me write out the answers on the scratchpad now it doesn’t work
  • IT FORCE QUITES ON ME!!!
  • super glitchy
  • the man’s voice is awful
  • glitches where you can’t even see the problem
  • the app glitches and says it’s right but counts it wrong
  • About every 3 problems my daughter does, it tells me that the app is not responding
  • computer program seems to crash once every other week
  • when it updates it wont open, even when it’s installed
  • Whenever I come across an equation with the answer being 1/x, the answer will not register
  • Some lessons don’t even have the problems in them
  • sometimes answer explanations will overlap if skipped at the wrong time
  • sometimes when I’m doing a lesson it won’t let me put in a answer
  • when I use the scratchpad, then after some time I use the eraser, the whole app freezes until I have to go out and go back in
  • Cannot get the new lessons to load
  • Get error report that says "Offline"
  • the keypad is super glitchy

Requested features

29 requests
  • Option to mute voice
  • Teach it a little better
  • Multiple voice options
  • Trophies or currency instead of stickers
  • Remove stickers altogether
Show 24 more
  • Add decent designers
  • Change up colors to be more vibrant
  • Add more updates
  • Fix answer submission bug
  • Add more voice actors
  • Fix glitches
  • Improve programming for mobile
  • Make it less childish
  • Add animated wallpapers
  • Fix bugs and glitches
  • Improve app design
  • Fix scratchpad eraser bug
  • Fix app freezing
  • Fix problems with fractions (1/x)
  • Fix incorrect math/information
  • Fix trick questions
  • Fix UI button size
  • Fix lecture playback issue
  • Fix missing problems in lessons
  • Fix overlapping answer explanations
  • Fix inability to input answers
  • Fix app not responding
  • Fix correct answers marked wrong
  • Option to turn off incorrect stickers

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 Pre

No 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

Questions

Is TT Pre free?
TT Pre 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 Pre or Night Zookeeper?
Night Zookeeper is rated higher. TT Pre averages 3.2 out of 5 from 141 ratings, while Night Zookeeper averages 4.6 from 626 ratings.
Do TT Pre or Night Zookeeper have ads?
Neither TT Pre nor Night Zookeeper shows ads.
Which is updated more often, TT Pre or Night Zookeeper?
TT Pre ships an update every 2 months, and Night Zookeeper every 5 weeks. Most recently, TT Pre was updated on November 3, 2026 and Night Zookeeper on November 8, 2026.

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