Comparison

Night Zookeeper vs Read Not Guess

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. 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!

About

Read Not Guess

This app offers science-based phonics lessons and decodable stories to help parents teach their children to read. It focuses on building reading confidence and fluency through an engaging and intuitive learning experience.

Highlights
  • Phonics-based reading lessons
  • Decodable stories for fluency
  • Intuitive design for parents and kids
  • Progress tracking
  • Engaging learning environment
Features
Read full description

# Read Not Guess: Teach Your Child to Read with Phonics Give your child the gift of reading with Read Not Guess, the easy-to-use app that helps parents teach their children to read using phonics and decodable stories. Our proven method, trusted by over 5,000 parents, makes learning to read simple and fun. With Read Not Guess, your child will master the basics of reading through engaging, phonics-based lessons designed to build confidence and fluency. The app features carefully crafted decodable stories, perfect for early readers, allowing your child to sound out words and develop strong reading skills. ## Key features: - Phonics-based lessons to support your child’s reading journey - Decodable stories that build fluency and confidence - Simple and intuitive design, easy for both parents and kids - Progress tracking to celebrate your child's reading success - A supportive and engaging learning environment Join thousands of parents who trust Read Not Guess to guide their child through the joy of reading. Start today and make reading easy, effective, and fun! Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Night Zookeeper4 screens
Read Not Guess4 screens

Verdict

The call

The clearest difference is monetization model: Read Not Guess at free with in-app purchases against Night Zookeeper's subscription. Read Not Guess also leads on update cadence (weekly vs every 2 months) and rating (5.0 vs 4.6). Night Zookeeper's advantage is ads (none vs shown) and ratings volume (613 vs 8). On price, in-app purchases, 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 12 in-app purchases, starting at $14.99 per month and Read Not Guess sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Read Not Guess holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Night Zookeeper has 613 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 83% of Night Zookeeper's written reviews are positive against 100% of Read Not Guess's.

UpkeepUpdate frequency

Night Zookeeper ships an update every 2 months, Read Not Guess weekly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Night Zookeeper versus Read Not Guess: the parameters behind the verdict, then further details
ParameterNight ZookeeperRead Not Guess
PriceFreeFree
Rating4.6 (613 ratings)5.0 (8 ratings) — better
Positive reviews83.0% of reviews100.0% of reviews — better
Number of ratings613 — better8
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size378 MB113 MB
Age rating4+4+
DeveloperWonky StarAldeman Education LLC

Customer experience

Night Zookeeper

All ratings592 ratings
Positive90.5%
Neutral2.2%
Negative7.3%
Written reviews94 reviews
Positive83.0%
Neutral2.1%
Negative14.9%

Read Not Guess

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Read Not Guess

Not enough reviews yet to summarise bugs or requests.

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
2 purchases

Read Not Guess

Subscriptions2
  • Monthly Pro$3.991 Month
  • Read Not Guess Pro$24.991 Year

Questions

Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Is Read Not Guess free?
Read Not Guess is free to download, with in-app purchases available.
Which has better reviews, Night Zookeeper or Read Not Guess?
Read Not Guess is rated higher. Night Zookeeper averages 4.6 out of 5 from 613 ratings, while Read Not Guess averages 5.0 from 8 ratings.
Do Night Zookeeper or Read Not Guess have ads?
Read Not Guess shows ads; Night Zookeeper does not.
Which is updated more often, Night Zookeeper or Read Not Guess?
Night Zookeeper ships an update every 2 months, and Read Not Guess weekly. Most recently, Night Zookeeper was updated on October 27, 2026 and Read Not Guess on October 24, 2026.

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