Comparison

ClassBook Pro vs Retent

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

Head to head
About

ClassBook Pro

Features
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Classbook Pro – Digital Gradebook & Classroom Management for Teachers Your all-in-one teaching assistant: Manage grades, attendance, parent-teacher conferences, and student accommodations effortlessly, securely, and offline on your iPhone and iPad. Designed specifically for the daily demands of elementary, middle, and high school educators. ======================================== KEY FEATURES ======================================== PRIVACY AND LOCAL DATA STORAGE β€’ No mandatory account creation or cloud lock-in. β€’ All student records, grades, and notes remain 100% encrypted and stored locally on your device. COMPREHENSIVE GRADEBOOK AND GPA MANAGEMENT β€’ Full support for custom grading scales (Points, Percentages, Letter Grades, and international scales). β€’ Flexible weighted categories (Tests, Homework, Classwork, Participation). β€’ Automatic average calculation, curve calculators, and detailed grade distribution stats. PARENT-TEACHER CONFERENCES WITH DIGITAL SIGNATURE β€’ Document parent meetings, student progress reviews, and action plans in a structured format. β€’ On-screen signature pad: Parents and guardians can sign agreements directly on your screen. β€’ Instant export of signed meeting reports as clean, professional PDFs. SPECIAL NEEDS (SEND / IEP) AND ACCOMMODATIONS β€’ Detailed profiles for students requiring specialized learning support (IEP, 504 plans, ADHD, Dyslexia). β€’ Track individualized adaptations, accommodations, and support measures easily. GAMIFICATION AND XP MOTIVATION β€’ Integrated Experience Points (XP) and leveling system to encourage positive participation, homework completion, and constructive classroom behavior. PRACTICAL CLASSROOM TOOLS β€’ Fair Random Student Picker: Impartial selection engine for class participation and presentations. β€’ Lesson Timer with Live Activities and Dynamic Island: Perfect for timed assignments, group work, and exams. β€’ Fast attendance tracking with support for absences, tardies, and excuses. EXPORT AND DATA BACKUP β€’ Generate beautiful PDF summaries for report cards and staff meetings. β€’ Complete data import and export via CSV and JSON for seamless Excel integration and secure backups. ======================================== PERFECT FOR: ======================================== β€’ Homeroom and Lead Teachers β€’ Subject and Specialty Teachers (K-12) β€’ Special Education Teachers and Specialists β€’ Student Teachers and Instructors Optimized for iOS and iPadOS with a clean, modern interface designed to save you hours of administrative work each week. ---------------------------------------- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Retent

Features
Read full description

Turn what you study into long-term memory. Retent helps you remember what you learn by turning your study material into intelligent quizzes after each Focus session. STUDY SMARTER - Add your study material - Set up your desired quiz or flashcards - Read during your Focus session - Test your retention later with AI-powered quizzes FEATURES - AI-generated quizzes based on your notes - Smart Flashcards - Focus sessions that track your attention span - Points, ranks, leaderboards and coins - Ambient audio to help you study - Custom avatars, badges and profile frames WHY CHOOSE RETENT? Retent is built for real retention, not just studying. Instead of passively reviewing material, Retent helps reinforce what you learn so knowledge actually sticks. You can study your own notes, books, slides or any text in general. The app will in turn automatically generate quizzes to test your memory. With a point and coin system, ranks and total personalisation, Retent keeps you motivated while learning, and distraction free Focus sessions with optional ambient sounds help you stay in the zone. Retent is not about studying more - it is about remembering more. WHO IS IT FOR? - Students preparing for exams or studying in general - Anyone interested in improving their attention span while also learning Retent is not just another study timer - it helps reinforce what you learn so it actually stays with you. Start learning. Start remembering. Start Retenting.

Screenshots

ClassBook Pro4 screens
Retent4 screens

Verdict

The call

The clearest difference is iOS requirement: Retent at 15.0 against ClassBook Pro's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ClassBook Pro sells 3 in-app purchases, starting at $2.99 per month and Retent sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ClassBook Pro ships an update weekly, Retent every 8 days. Both last shipped on October 24, 2026.

Scorecard1 real difference Β· 5 level
ClassBook Pro versus Retent: the parameters behind the verdict, then further details
ParameterClassBook ProRetent
PriceFreeFree
Update frequencyWeekly β€” betterEvery 8 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.615.0 β€” better
Further details β€” not scored
Size26 MB27 MB
Age rating17+9+
DeveloperJavier DosqueKristiyan Grigorov

In-app purchases

3 purchases

ClassBook Pro

Subscriptions2
  • Monthly Plan14 Days trial$2.991 Month
  • SuscripciΓ³n Anual Libro de clases14 Days trial$9.991 Year
One-time1
  • Lifetime Access$34.99
2 purchases

Retent

Subscriptions2
  • Retent Unlimited Monthly$6.991 Month
  • Retent Unlimited Yearly$39.991 Year

Questions

Is ClassBook Pro free?
ClassBook Pro is free to download, with in-app purchases available.
Is Retent free?
Retent is free to download, with in-app purchases available.
Do ClassBook Pro or Retent have ads?
Neither ClassBook Pro nor Retent shows ads.
Which is updated more often, ClassBook Pro or Retent?
ClassBook Pro ships an update weekly, and Retent every 8 days. Most recently, ClassBook Pro was updated on October 24, 2026 and Retent on October 24, 2026.

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