# eSquirrel vs MathArena Junior

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.

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.

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.

## The numbers

| Metric | eSquirrel | MathArena Junior |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 111 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eSquirrel GmbH](https://appshunter.io/developer/987611199) | [MatheArena GmbH](https://appshunter.io/developer/1424250411) |

## What reviewers say

### eSquirrel

[App page](https://appshunter.io/ios/app/esquirrel/id987611200)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (50)**

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


### MathArena Junior

[App page](https://appshunter.io/ios/app/matharena-junior/id6443734276)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathArena Monthly Subscription | $6.99 | per month |
| MathArena Annual Subscription | $22.99 | per year |
| MatheArena Junior One Time | $69.99 | one-time |


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*