# Math Help vs Karu

The clearest difference is rating: Karu at 5.0 against Math Help's 4.7. Karu also leads on update cadence (weekly vs every 3 weeks) and monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Karu holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Math Help ships an update every 3 weeks, Karu weekly. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Math Help | Karu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7 ratings)](https://appshunter.io/ios/app/math-help-snap-solver-ai/id6448841899/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/karu-personal-ai-tutor/id6450124580/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 16 MB | 34 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huong Nguyen](https://appshunter.io/developer/1624860613) | [Eaty Paradise Inc.](https://appshunter.io/developer/1498481026) |

## What reviewers say

### Math Help

[App page](https://appshunter.io/ios/app/math-help-snap-solver-ai/id6448841899)

Instantly get answers to complex problems by snapping a picture. This app uses advanced OCR and AI to extract text and provide accurate solutions for homework, research, and general curiosity.

**Highlights:** Image to text OCR, AI-powered answers, Homework assistance, Research support, User-friendly interface

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

**In-app purchases:** none


### Karu

[App page](https://appshunter.io/ios/app/karu-personal-ai-tutor/id6450124580)

Get instant, 24/7 homework help and exam prep with an AI tutor. It adapts to your learning style for personalized lessons across 300+ subjects, guiding you step-by-step through problems to improve your grades.

**Highlights:** Instant homework answers, 24/7 AI tutor availability, Interactive problem-solving, Adaptive personalized learning, Exam preparation for 55+ subjects, Step-by-step guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Help free?

Math Help is free to download, with no in-app purchases.

### Is Karu free?

Karu is free to download, with no in-app purchases.

### Which has better reviews, Math Help or Karu?

Karu is rated higher. Math Help averages 4.7 out of 5 from 7 ratings, while Karu averages 5.0 from 3 ratings.

### Do Math Help or Karu have ads?

Both Math Help and Karu show ads.

### Which is updated more often, Math Help or Karu?

Math Help ships an update every 3 weeks, and Karu weekly. Most recently, Math Help was updated on October 26, 2026 and Karu 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.*