# Koreez vs Eschool Mobile Quantum

The clearest difference is in-app purchases: Eschool Mobile Quantum at none against Koreez's 13. Eschool Mobile Quantum also leads on rating (5.0 vs 4.7) and device support (3 vs 1). Koreez's advantage is ratings volume (40 vs 1) and update cadence (every 2 weeks vs every 5 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Koreez sells 13 in-app purchases, starting at $1.90 per 7 days. Eschool Mobile Quantum asks for nothing beyond the download.

Eschool Mobile Quantum holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Koreez has 40 ratings behind it against 1, so its average is the more settled of the two.

Koreez ships an update every 2 weeks, Eschool Mobile Quantum every 5 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Koreez | Eschool Mobile Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (40 ratings)](https://appshunter.io/ios/app/koreez/id6465207992/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eschool-mobile-quantum/id6762557741/reviews)** |
| Number of ratings | **40** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Freemium | **Free** |
| Size | 58 MB | 37 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KoreezKoreez Educational Program CJS](https://appshunter.io/developer/1706487729) | [Sos Aghamiryan](https://appshunter.io/developer/1894667691) |

## What reviewers say

### Koreez

[App page](https://appshunter.io/ios/app/koreez/id6465207992)

Engage in a competitive quiz game that blends school curriculum with general knowledge. Challenge friends, earn points, and climb leaderboards to become a quiz champion. Suitable for students and knowledge seekers of all ages.

**Highlights:** Curriculum-based quizzes, General knowledge questions, Competitive gameplay, Leaderboard rankings, Friend challenges, Brainpower boosting

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.90 | per 7 days |
| Monthly Subscription | $3.99 | per month |
| Monthly Subscription | $4.95 | per month |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Yearly Subscription | $37.49 | per year |
| Yearly Subscription | $40.90 | per year |
| 30 keys | $0.49 | one-time |
| 70 keys | $0.99 | one-time |
| 150 keys | $1.99 | one-time |
| 320 keys | $3.99 | one-time |
| Event Ticket | $5.99 | one-time |
| Combo | $6.99 | one-time |


### Eschool Mobile Quantum

[App page](https://appshunter.io/ios/app/eschool-mobile-quantum/id6762557741)

This app provides students, teachers, and parents with instant access to school management features. Track grades, view schedules, access study materials, and communicate securely. It facilitates online classes and school announcements.

**Highlights:** Daily schedule and timetable, Grades and marks tracking, Homework assignments, Lesson details and study materials, School announcements, Direct messaging, Online live video lessons

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

**In-app purchases:** none


## Frequently asked questions

### Is Koreez free?

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

### Is Eschool Mobile Quantum free?

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

### Which has better reviews, Koreez or Eschool Mobile Quantum?

Eschool Mobile Quantum is rated higher. Koreez averages 4.7 out of 5 from 40 ratings, while Eschool Mobile Quantum averages 5.0 from 1 ratings.

### Do Koreez or Eschool Mobile Quantum have ads?

Neither Koreez nor Eschool Mobile Quantum shows ads.

### Which is updated more often, Koreez or Eschool Mobile Quantum?

Koreez ships an update every 2 weeks, and Eschool Mobile Quantum every 5 weeks. Most recently, Koreez was updated on October 6, 2026 and Eschool Mobile Quantum on October 14, 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.*