Comparison

FlashTastic K vs Retain

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FlashTastic K

This app provides AI-powered tutoring and gamified learning for K-8 students. It offers step-by-step homework help, personalized practice problems, and a comprehensive curriculum across multiple subjects. Features include offline functionality and detailed progress tracking for parents.

Highlights
  • AI-powered homework help with photo analysis
  • 24/7 AI study buddy for concept explanation
  • Comprehensive K-8 curriculum
  • Adaptive spaced repetition learning
  • Detailed parent progress dashboard
  • Offline functionality
  • Gamified learning with avatars and achievements
Features
Read full description

FlashTastic is the K-8 educational app that solves the #1 complaint about learning apps: REPETITIVE CONTENT. SMART QUESTION ROTATION - NEVER SEE THE SAME QUESTION TWICE Unlike other educational apps that cycle through the same 10-20 questions, FlashTastic uses intelligent question tracking to ensure your child sees fresh content every single session. Our adaptive system: Transform your child's learning journey with FlashTastic - The ultimate K-8 educational app that combines AI-powered tutoring, step-by-step homework help, and fun gamified learning all in one place! Key Features: • Snap & Study — Snap a photo of any homework assignment and let AI walk your child through it step by step, generate practice problems, or review a graded test to understand every mistake • AI Study Buddy — 24/7 personal AI tutor that answers questions, explains concepts, and adapts to your child's grade level and learning style • Comprehensive K-8 curriculum covering Math, Science, Geography, Vocabulary, History, Biology, Health, and Music • Beautiful 3D avatars that grow and evolve with student progress • Sibling competition system with challenges, leaderboards, and team goals • Adaptive spaced repetition algorithm for optimal learning retention • Parent dashboard with detailed learning insights and progress tracking • Full offline functionality - Learn anywhere, anytime • Achievement system with unlockable badges and rewards • Interactive quiz modes: Timed challenges, practice sessions, and mixed reviews Why Parents Love FlashTastic: • Snap & Study turns any homework photo into a personalized tutoring session • AI tutor available around the clock — No scheduling, no hourly fees • Real-time progress monitoring across all subjects • Detailed analytics showing strengths and improvement areas • Safe, ad-free learning environment • Encourages healthy sibling competition and collaboration • Builds consistent study habits through streak tracking Perfect for: • Homeschooling families seeking comprehensive curriculum support • Parents wanting to supplement traditional education • Students who need homework help when parents aren't available • Siblings who learn better through friendly competition • Students who thrive with visual and interactive learning Download FlashTastic today and give your child an AI tutor, homework helper, and learning companion all in one app! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Retain

Read full description

Retain: Revision Tracker helps you keep track of what you’ve learned and remember when it’s time to review it again. After studying a topic, tell Retain how well you remembered it. Retain uses your feedback to plan your next review, so you don’t have to remember what to revise or when to revise it. See everything you’ve learned, track your progress, and keep moving forward without having to keep it all in your head. WHAT YOU GET • Keep track of everything you’ve learned • Rate how well you remembered each topic • Retain plans your next review for you • See which topics are coming up for review • Track your learning progress over time • Look back and see everything you’ve accomplished Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FlashTastic K4 screens
Retain4 screens

Verdict

The call

The clearest difference is in-app purchases: Retain at none against FlashTastic K's 6. FlashTastic K's advantage is device support (3 vs 1). On price, ads 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. FlashTastic K sells 6 in-app purchases, starting at $4.99 per month. Retain asks for nothing beyond the download.

Scorecard2 real differences · 8 level
FlashTastic K versus Retain: the parameters behind the verdict, then further details
ParameterFlashTastic KRetain
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size26 MB43 MB
Age rating12+4+
DeveloperAtkins Media, LLCHonestyVision

In-app purchases

6 purchases

FlashTastic K

Subscriptions6
  • Young Pro - Monthly7 Days trial$4.991 Month
  • Premium - Monthly7 Days trial$9.991 Month
  • Family Plan - Monthly7 Days trial$13.991 Month
Show 3 more
  • Young Pro - Yearly7 Days trial$49.991 Year
  • Premium - Yearly7 Days trial$99.991 Year
  • Family Plan - Yearly7 Days trial$139.991 Year
None

Retain

No in-app purchases

Questions

Is FlashTastic K free?
FlashTastic K is free to download, with in-app purchases available.
Is Retain free?
Retain is free to download, with no in-app purchases.
Do FlashTastic K or Retain have ads?
Neither FlashTastic K nor Retain shows ads.

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