# Math Queen / Math King vs Clari Mentor

The clearest difference is in-app purchases: Math Queen / Math King at none against Clari Mentor's 4. Clari Mentor's advantage is update cadence (every 10 days vs every 30 months) and iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Clari Mentor sells 4 in-app purchases, starting at $0.99 per month. Math Queen / Math King asks for nothing beyond the download.

Math Queen / Math King ships an update every 30 months, Clari Mentor every 10 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Math Queen / Math King | Clari Mentor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clari-mentor-exam-prep/id6757516331/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 117 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Yu Fei Tong](https://appshunter.io/developer/1867407066) |

## What reviewers say

### Math Queen / Math King

[App page](https://appshunter.io/ios/app/math-queen-math-king/id6477328464)

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

**In-app purchases:** none


### Clari Mentor

[App page](https://appshunter.io/ios/app/clari-mentor-exam-prep/id6757516331)

This AI-powered study tool offers personalized, on-device tutoring and question management for students. It focuses on privacy, providing step-by-step guidance and tools like flashcards and note generation to enhance learning and retention.

**Highlights:** Privacy-first, on-device operation, Step-by-step AI tutor with phased engine, Subject-aware playbooks and classic strategies, Progressive reveal flashcards with mastery tracking, Enhanced note generation for exam-ready cards, Built-in coaching system

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clari Mentor - Study Buddy | $0.99 | per month |
| 3-Month Plan: Exam Prep & Focus | $1.99 | per 3 months |
| Clari Mentor - Study Buddy | $7.99 | per year |
| Clari Mentor - Study Buddy | $24.99 | one-time |


## Frequently asked questions

### Is Math Queen / Math King free?

Math Queen / Math King is free to download, with no in-app purchases.

### Is Clari Mentor free?

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

### Do Math Queen / Math King or Clari Mentor have ads?

Neither Math Queen / Math King nor Clari Mentor shows ads.

### Which is updated more often, Math Queen / Math King or Clari Mentor?

Math Queen / Math King ships an update every 30 months, and Clari Mentor every 10 days. Most recently, Math Queen / Math King was updated on October 2, 2026 and Clari Mentor on October 13, 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.*