# PE.Mech vs ClearMath

The clearest difference is price: ClearMath at Free against PE.Mech's $0.99. ClearMath also leads on update cadence (every 5 days vs every 2 months). PE.Mech's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 17). On ads and device support there is nothing between them.

ClearMath is free to download; PE.Mech costs $0.99 up front. ClearMath sells 2 in-app purchases, starting at $12.99 per month. PE.Mech asks for nothing beyond the download.

PE.Mech ships an update every 2 months, ClearMath every 5 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PE.Mech | ClearMath |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clearmath/id6670290377/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 15 MB |
| Requires iOS | **15.0** | 17 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [巍 顾](https://appshunter.io/developer/1368599824) | [Kunshan Lefan Software Technology Co.,Ltd.](https://appshunter.io/developer/452703256) |

## What reviewers say

### PE.Mech

[App page](https://appshunter.io/ios/app/pemech/id1368599825)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClearMath

[App page](https://appshunter.io/ios/app/clearmath/id6670290377)

This app helps you deeply understand mathematical concepts by visualizing their relationships and connections. It offers guided learning paths, detailed explanations, and practical examples to build lasting knowledge beyond just getting answers.

**Highlights:** Concept Relationship Maps, Hierarchical Tree Structure, Comprehensive Concept Explanations, Guided Learning Paths, Progress Tracking, Mathematician Profiles, AI Explanations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| Annual | $99.99 | per year |


## Frequently asked questions

### Is PE.Mech free?

PE.Mech costs $0.99, with no in-app purchases.

### Is ClearMath free?

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

### Do PE.Mech or ClearMath have ads?

Neither PE.Mech nor ClearMath shows ads.

### Which is updated more often, PE.Mech or ClearMath?

PE.Mech ships an update every 2 months, and ClearMath every 5 days. Most recently, PE.Mech was updated on September 30, 2026 and ClearMath on October 2, 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.*