# Untis Mobile vs eSquirrel

The clearest difference is review sentiment: eSquirrel at 100% against Untis Mobile's 50%. eSquirrel also leads on iOS requirement (15.0 vs 17.0). Untis Mobile's advantage is in-app purchases (none vs 50) and update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. eSquirrel sells 50 one-off in-app purchases. Untis Mobile asks for nothing beyond the download.

Untis Mobile ships an update every 2 weeks, eSquirrel every 2 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Untis Mobile | eSquirrel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.8K ratings)](https://appshunter.io/ios/app/untis-mobile/id926186904/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 50.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 60 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Untis GmbH](https://appshunter.io/developer/1112298871) | [eSquirrel GmbH](https://appshunter.io/developer/987611199) |

## What reviewers say

### Untis Mobile

[App page](https://appshunter.io/ios/app/untis-mobile/id926186904)

Access your school schedule, substitution plans, and class registers on the go. Communicate with teachers, guardians, and students through messages and receive important notifications. Manage attendance, sick notes, and exam details.

**Highlights:** Individual timetable (offline access), Daily updated substitution plan, Digital class register (attendance, sick notes), Lesson cancellations and room changes, Exam dates and homework tracking, Secure messaging between school members, Push notifications for new messages

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app for school
- 👍 Helpful for staying on top of homework and schedule
- 👍 Provides good overview of classes and timetable
- 👍 Useful for seeing if a teacher is absent

**What reviewers complain about**

- 🐛 Buggy and unreliable
- 🤔 Desktop and mobile versions have different features
- 🤔 New design is confusing and less user-friendly
- 🐛 Doesn't always show accurate or up-to-date information

**Reported bugs**

- Login issues
- Crashes and freezes
- Incorrect or missing schedule information
- Compatibility problems with newer OS versions

**Requested features**

- Allow students to text classmates
- Add ability to see grades
- Improve homework tracking and notifications
- Provide more customization options


### 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 |


## Frequently asked questions

### Is Untis Mobile free?

Untis Mobile is free to download, with no in-app purchases.

### Is eSquirrel free?

eSquirrel is free to download, with in-app purchases available.

### Do Untis Mobile or eSquirrel have ads?

Neither Untis Mobile nor eSquirrel shows ads.

### Which is updated more often, Untis Mobile or eSquirrel?

Untis Mobile ships an update every 2 weeks, and eSquirrel every 2 months. Most recently, Untis Mobile was updated on October 18, 2026 and eSquirrel on October 9, 2026.

---

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