# ClearMath vs Anchrs

The clearest difference is monetization model: ClearMath at free with in-app purchases against Anchrs's paid. ClearMath also leads on iOS requirement (17 vs 26.0). Anchrs's advantage is ratings volume (4 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. ClearMath sells 2 in-app purchases, starting at $12.99 per month and Anchrs sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ClearMath against 5.0 for Anchrs. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

ClearMath ships an update every 5 days, Anchrs every 3 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ClearMath | Anchrs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/clearmath/id6670290377/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/anchrs/id6747633811/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 15 MB | 34 MB |
| Requires iOS | **17** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kunshan Lefan Software Technology Co.,Ltd.](https://appshunter.io/developer/452703256) | [Torrey Payne](https://appshunter.io/developer/1822114627) |

## 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 |


### Anchrs

[App page](https://appshunter.io/ios/app/anchrs/id6747633811)

This app assists senior software engineers with interview preparation by offering AI-powered practice for DSA and system design interviews. It helps reduce friction in study routines, allowing for consistent practice even on low-energy days.

**Highlights:** AI interviewer for DSA practice, System design interview simulation, Import Anki decks, AI flashcard generation, Cross-device study workflow, Local or cloud AI options

**Features:** Family Sharing, iMessage stickers, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| 50 AI Credits | $1.99 | one-time |
| 200 AI Credits | $5.99 | one-time |
| 500 AI Credits | $9.99 | one-time |


## Frequently asked questions

### Is ClearMath free?

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

### Is Anchrs free?

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

### Which has better reviews, ClearMath or Anchrs?

ClearMath and Anchrs are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do ClearMath or Anchrs have ads?

Neither ClearMath nor Anchrs shows ads.

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

ClearMath ships an update every 5 days, and Anchrs every 3 days. Most recently, ClearMath was updated on October 2, 2026 and Anchrs 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.*