Comparison

eSquirrel vs MathArena Junior

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

Head to head
About

eSquirrel

This app offers a gamified learning experience for students and employees. It uses spaced repetition and quests to help users memorize information and prepare for exams or workplace training. Users can earn acorns and progress through levels by answering quiz questions correctly.

Highlights
  • Gamified learning with quests and acorns
  • Spaced repetition for long-term memory
  • Mobile-optimized quiz questions
  • Progress tracking and level progression
  • Ranking lists for competitive learning
  • Tailored learning materials for subjects and exams
Features
Read full description

eSquirrel for education Successfully learn to many textbooks and courses - especially for the school-leaving exam, vocational maturity exam & entrance tests. With the support of A1. With eSquirrel you don't just practise the questions once and forget them, but repeat them until you have memorised them! eSquirrel for business Digital learning for employees without a laptop or the internet. The clever combination of gamification, blended and mobile learning motivates employees to engage in independent but also guided training. With eSquirrel for business you also learn with ready-to-use course materials on data protection, first aid, occupational safety and much more! An eSquirrel course is divided into quests each consisting of up to 10 questions. Embark on a quest by answering questions to collect acorns. But beware: A quest is not completed easily! You can only complete them once you have answered each question correctly. Don’t worry: We will help you! The first time you successfully complete a quest, you have made it to the Bronze level. Increase the value of your acorns even more by moving from level to level in a quest. Did you make it to the Silver level already? With eSquirrel you only repeat quests when you are about to forget them. Every child knows that you learn by repeating. According to the principle of “spaced repetitions“, you only repeat when you might start to forget your knowledge. The more often you repeat, the longer these intervals become. In this way you transfer knowledge into your long-term memory – without getting bored. Are you waiting for the bus? For friends? Till the food comes? Ideal time to complete a quest! You don’t need to have your textbook with you, you can simply answer quiz questions. Whenever and wherever you want. Our questions are mobile optimized. They easily fit on a smartphone and can usually be solved without any tools. Are you one of the best? In the ranking list you see yourself and the TOP 33% of your classmates. If you are not assigned to a teacher, you will be compared to all other students who also practice independently of a teacher. Are you one of the best? With eSquirrel you use high quality learning materials tailored to your subject or exam. Practice matching the textbook or course materials created by university lecturers, high school professors and textbook authors. With an eSquirrel course you will learn tested knowledge in the right formats.

About

MathArena Junior

Features
Read full description

MathArena Junior is your opportunity to practice math anytime, anywhere. Learning. Math. Playfully. MathArena Junior now allows students from the 5th grade (secondary school I) to learn flexibly and comfortably directly from their smartphone - whether in class or in their free time. Quiz your way through compact math knowledge from 16 subject areas. Choose from 16 topics in four different subject areas - from numbers to geometry. • Natural Numbers • Decimal Numbers • Fractions • Measurements • Expressions • Equations • Powers • Functions • Basic Elements • Geometric Properties • Plane Figures • Spatial Objects • Circle Applications • Diagrams • Statistics • Probabilities For each quiz, you will be given 10 tricky tasks that adapt to your level of knowledge, and you will receive brief explanations and background information. In your profile, you can check your status at any time and track your progress. All tasks were developed by mathematics professors and are perfectly adapted to the requirements of standardized tests. It covers the total knowledge from secondary school I. Play mini-games for extra motivation: Exciting mini-games await you that will further increase your motivation. It's fun to improve your math skills with mini-games and complement your classes or use them as an alternative to tutoring. Your benefits at a glance: • Perfect introduction to digitally supported learning • Content is based on current curricula • Tasks and mini-games ensure variety and playful learning • Loving design and professional, age-appropriate preparation • Constantly growing number of questions • Playfully stimulates ambition and motivation • Free trial version Your premium membership: You can get the premium version for the average price of a single tutoring session per year. If you decide for Premium, the amount due will be debited from your account with the purchase confirmation. Your membership will be automatically renewed unless you cancel it at least 24 hours before the end of the chosen subscription period. Cancellation of the current membership before the end of the subscription period is not possible. After purchase, you can deactivate the automatic extension in the settings of your App Store account. You also have the option to manage your subscriptions after the purchase in the account settings. Terms of use: https://www.mathearena.com/terms/ Privacy Policy: https://www.mathearena.com/privacy/

Screenshots

eSquirrel4 screens
MathArena Junior4 screens

Verdict

The call

The clearest difference is update cadence: MathArena Junior at every 2 weeks against eSquirrel's every 2 months. On price, ads, in-app purchases and device support 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. eSquirrel sells 50 one-off in-app purchases and MathArena Junior sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

eSquirrel ships an update every 2 months, MathArena Junior every 2 weeks. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 7 level
eSquirrel versus MathArena Junior: the parameters behind the verdict, then further details
ParametereSquirrelMathArena Junior
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size56 MB111 MB
Age rating4+4+
DevelopereSquirrel GmbHMatheArena GmbH

In-app purchases

50 purchases

eSquirrel

One-time50
  • Finanzielle Entscheidungen treffenFree
  • eSquirrel in a nutshellFree
  • Englisch Vocabulary for MORE!1Free
Show 47 more
  • Digitale Grundbildung 1Free
  • LSL: LebensmittelverschwendungFree
  • Die Welt der Geometrie 2$4.99
  • Ausdrucksweisen des Glaubens$4.99
  • Religiöse Symbole und Bilder$6.99
  • Schreibfix 4 Lebendige Sprache$12.99
  • BioTOP 1 (öbv)$12.99
  • Durchstarten Mathematik 1$12.99
  • Starke Seiten Deutsch 1 (ÖBV)$12.99
  • einfach bio 1 (ÖBV)$12.99
  • Vitae 3 (Lemberger)$12.99
  • English Practice for MORE! 1$14.99
  • English Practice for MORE! 2$14.99
  • English Practice for MORE! 3$14.99
  • Genial! Mathematik 4 B/M$14.99
  • English Practice for MORE! 4$14.99
  • Break it Kids - Englisch lernen$14.99
  • MyNEWS - Digitale Themenplattform$14.99
  • Digitale Grundbildung 1$14.99
  • Englisch Vocabulary for MORE!3$14.99
  • big bang 3 (öbv)$14.99
  • Physik verstehen 3 (öbv)$14.99
  • einfach bio 3 (öbv)$14.99
  • Impuls Physik 3 (öbv)$14.99
  • Bildungs- & Berufsorientierung$14.99
  • Starke Seiten Deutsch 3 (ÖBV)$14.99
  • Genial! Mathematik 3 B/M$14.99
  • Genial! Deutsch 3 - Übungsteil$14.99
  • Englisch Vocabulary for MORE!2$14.99
  • big bang 2 (öbv)$14.99
  • Durchstarten Mathematik 2$14.99
  • Physik verstehen 2 (öbv)$14.99
  • Impuls Physik 2 (öbv)$14.99
  • Starke Seiten Deutsch 2 (ÖBV)$14.99
  • einfach bio 2 (ÖBV)$14.99
  • Genial! Mathematik 2 B/M$14.99
  • Genial! Deutsch 2 - Übungsteil$14.99
  • DAS Mathematikbuch 2 - ÜT$14.99
  • Vitae 4 (Lemberger)$14.99
  • La Pratica Rende Perfetti 1$17.99
  • Nouvelles Perspectives A1 6-9$22.99
  • SPANISCH A1A2:Nuevas Perspect.$22.99
  • SPANISCH A2+:Nuevas Perspect.$22.99
  • Vitae 6 (Lemberger)$22.99
  • Visang Korean Intermediate 1$44.99
  • Visang korean intermediate 2$44.99
  • Innere Medizin (Herold)$89.99
3 purchases

MathArena Junior

Subscriptions2
  • MathArena Monthly Subscription7 Days trial$6.991 Month
  • MathArena Annual Subscription7 Days trial$22.991 Year
One-time1
  • MatheArena Junior One Time$69.99

Questions

Is eSquirrel free?
eSquirrel is free to download, with in-app purchases available.
Is MathArena Junior free?
MathArena Junior is free to download, with in-app purchases available.
Do eSquirrel or MathArena Junior have ads?
Neither eSquirrel nor MathArena Junior shows ads.
Which is updated more often, eSquirrel or MathArena Junior?
eSquirrel ships an update every 2 months, and MathArena Junior every 2 weeks. Most recently, eSquirrel was updated on September 23, 2026 and MathArena Junior on September 29, 2026.

Other comparisons