# ClearMath vs Klugr

The clearest difference is ads: ClearMath at none against Klugr's shown. Klugr's advantage is iOS requirement (15.1 vs 17). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ClearMath sells 2 in-app purchases, starting at $12.99 per month and Klugr sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ClearMath ships an update every 5 days, Klugr every 9 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ClearMath | Klugr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clearmath/id6670290377/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 33 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kunshan Lefan Software Technology Co.,Ltd.](https://appshunter.io/developer/452703256) | [Perjan ProfessionalProductPartners FlexKapG](https://appshunter.io/developer/1799564039) |

## What reviewers say

### 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 |


### Klugr

[App page](https://appshunter.io/ios/app/klugr/id6742713131)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klügr Premium Monthly | $7.99 | per month |
| Klugr Premium Yearly (30% off) | $69.90 | per year |


## Frequently asked questions

### Is ClearMath free?

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

### Is Klugr free?

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

### Do ClearMath or Klugr have ads?

Klugr shows ads; ClearMath does not.

### Which is updated more often, ClearMath or Klugr?

ClearMath ships an update every 5 days, and Klugr every 9 days. Most recently, ClearMath was updated on October 18, 2026 and Klugr on October 14, 2026.

---

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