Comparison

Night Zookeeper vs TwentyFiveWords

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

TwentyFiveWords

Features
Read full description

Twenty Five Words is a calm daily-writing companion built around small, finishable sessions—not marathon desk sessions. You get a fresh creative challenge each day (or write freely when you want), hit twenty-five words to stay on streak, and keep everything in a private Stories archive you can tag and revisit anytime. Three challenges per day: Browse carousel-style cards, pick what resonates, then open full-screen detail—prompts rotate so practice stays varied. Craft-aware prompts: Many exercises include short technique notes—style study, emotion practice, dialogue, and more—without feeling like homework. Write freely: Toggle off the prompt when you’d rather journal or riff on your own idea; title, tags, and streak-friendly word count stay consistent. Stories archive: Every submission lands in Stories—filter by hierarchical tags, scroll by month, edit entries later, and copy text whenever you need it elsewhere. Progress & streaks: Current streak, stats, and a Duolingo-inspired calendar keep momentum visible—without turning creativity into a score chase. Widgets & reminders: Glance at streak status from the Lock Screen or Home Screen so gentle accountability stays peripheral, not loud. Private by default: Writing stays on your device; optional iCloud sync uses Apple’s private CloudKit container—we never host your journal. Thanks for being one of the first writers here, TwentyFiveWord will keep improving with every update. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.kindfolk.digital/twentyfivewords/privacypolicy

Screenshots

Night Zookeeper4 screens
TwentyFiveWords4 screens

Verdict

The call

The clearest difference is in-app purchases: TwentyFiveWords at none against Night Zookeeper's 12. TwentyFiveWords also leads on update cadence (daily vs every 2 months). Night Zookeeper's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price and 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

Both are free to download. Night Zookeeper sells 12 in-app purchases, starting at $14.99 per month. TwentyFiveWords asks for nothing beyond the download.

UpkeepUpdate frequency

Night Zookeeper ships an update every 2 months, TwentyFiveWords daily. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Night Zookeeper versus TwentyFiveWords: the parameters behind the verdict, then further details
ParameterNight ZookeeperTwentyFiveWords
PriceFreeFree
Rating4.6 (592 ratings) — better—
Positive reviews82.8% of reviews—
Number of ratings592 — better—
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.2
Further details — not scored
Size378 MB11 MB
Age rating4+12+
DeveloperWonky StarMatthew Hardie

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

TwentyFiveWords

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
None

TwentyFiveWords

No in-app purchases

Questions

Is Night Zookeeper free?
Night Zookeeper is free to download, with in-app purchases available.
Is TwentyFiveWords free?
TwentyFiveWords is free to download, with no in-app purchases.
Do Night Zookeeper or TwentyFiveWords have ads?
Neither Night Zookeeper nor TwentyFiveWords shows ads.
Which is updated more often, Night Zookeeper or TwentyFiveWords?
Night Zookeeper ships an update every 2 months, and TwentyFiveWords daily. Most recently, Night Zookeeper was updated on October 15, 2026 and TwentyFiveWords on October 10, 2026.

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