Comparison

OgStar Reading Complete 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

OgStar Reading Complete

This comprehensive literacy game uses the Orton-Gillingham approach to teach reading skills to students in pre-K through 8th grade. It incorporates multisensory activities, handwriting and speech recognition, and engaging mini-games to foster phonological awareness, phonics, and reading fluency.

Highlights
  • Orton-Gillingham approach
  • Multisensory learning
  • Handwriting recognition
  • Speech recognition
  • Progress tracking
  • Mini-games and rewards
Features
Read full description

OgStar Reading™ provides students in grades pre-K through 8 with an enjoyable and comprehensive 106-lesson literacy game, based on the well-respected Orton-Gillingham approach. Students practice: phonological awareness systematic/synthetic phonics multisensory sound/symbol associations visual-auditory-kinesthetic-tactile reading and writing of sight words oral reading of phonetically-controlled words and sentences finger tracing and writing of syllables, words, and sentences word building with prefixes and suffixes oral reading fluency activities OgStar Reading takes students on a captivating reading adventure and includes built-in mini-games and rewards to keep students motivated and engaged. OgStar Reading is a patent-pending, technologically-sophisticated app with handwriting recognition feedback, speech recognition feedback, audio-visual synchronization, voiceover correction feedback, and built-in word pronunciation features. Data collection is available for parents and teachers describing student performance and progress over time. This delightful, multisensory, structured literacy game helps students of all ages to independently develop evidence-based literacy skills, in accordance with the scientific standards recommended by the National Reading Panel indicating the best ways to teach students how to read.

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

Night Zookeeper4 screens

Verdict

The call

The clearest difference is price: Night Zookeeper at Free against OgStar Reading Complete's $49.99. Night Zookeeper also leads on rating (4.6 vs 4.0) and review sentiment (82% vs 40%). OgStar Reading Complete's advantage is in-app purchases (none vs 12) and iOS requirement (10.0 vs 13.0). On ads 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

Night Zookeeper is free to download; OgStar Reading Complete costs $49.99 up front. Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. OgStar Reading Complete asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Night Zookeeper holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Night Zookeeper has 536 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 40% of OgStar Reading Complete's written reviews are positive against 82% of Night Zookeeper's.

UpkeepUpdate frequency

OgStar Reading Complete ships an update every 5 months, Night Zookeeper every 2 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard9 real differences · 1 level
OgStar Reading Complete versus Night Zookeeper: the parameters behind the verdict, then further details
ParameterOgStar Reading CompleteNight Zookeeper
Price$49.99Free — better
Rating4.0 (3 ratings)4.6 (536 ratings) — better
Positive reviews40.0% of reviews81.8% of reviews — better
Number of ratings3536 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPadiPhone, iPad, iPod — better
Requires iOS10.0 — better13.0
Further details — not scored
Size917 MB503 MB
Age rating4+4+
DeveloperOGSTAR READING, LLCWonky Star

Customer experience

OgStar Reading Complete

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Night Zookeeper

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

Bugs and requests

OgStar Reading Complete

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

OgStar Reading Complete

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 OgStar Reading Complete free?
OgStar Reading Complete costs $49.99, with no in-app purchases.
Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Which has better reviews, OgStar Reading Complete or Night Zookeeper?
Night Zookeeper is rated higher. OgStar Reading Complete averages 4.0 out of 5 from 3 ratings, while Night Zookeeper averages 4.6 from 536 ratings.
Do OgStar Reading Complete or Night Zookeeper have ads?
Neither OgStar Reading Complete nor Night Zookeeper shows ads.
Which is updated more often, OgStar Reading Complete or Night Zookeeper?
OgStar Reading Complete ships an update every 5 months, and Night Zookeeper every 2 months. Most recently, OgStar Reading Complete was updated on September 21, 2026 and Night Zookeeper on September 23, 2026.

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