# Karate Math Dojo vs Learn Data Structures Offline

The clearest difference is price: Karate Math Dojo at Free against Learn Data Structures Offline's $1.99. Karate Math Dojo also leads on update cadence (monthly vs every 21 months). Learn Data Structures Offline's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 16.0). On rating, ratings volume, ads and device support there is nothing between them.

Karate Math Dojo is free to download; Learn Data Structures Offline costs $1.99 up front. Karate Math Dojo sells 1 one-off in-app purchase. Learn Data Structures Offline asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Karate Math Dojo against 5.0 for Learn Data Structures Offline. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Karate Math Dojo ships an update monthly, Learn Data Structures Offline every 21 months. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Karate Math Dojo | Learn Data Structures Offline |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/karate-math-dojo/id6476067970/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/learn-data-structures-offline/id6738282305/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 21 months |
| Monetization | **Free** | Paid |
| Size | 46 MB | 38 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Pangaea Learning](https://appshunter.io/developer/1049407299) | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) |

## What reviewers say

### Karate Math Dojo

[App page](https://appshunter.io/ios/app/karate-math-dojo/id6476067970)

Learn elementary arithmetic through engaging 2D fighter action. Master addition, subtraction, multiplication, division, and fractions with a legendary karate teacher. Progress through a curriculum designed for K-5 students, facing challenges like ninjas and pirates.

**Highlights:** Arithmetic practice (K-5 curriculum), 2D fighter action gameplay, Progressive lesson plan, Addition, subtraction, multiplication, division, Fraction lessons, Tournaments and sparring

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro-Player Access | $12.99 | one-time |


### Learn Data Structures Offline

[App page](https://appshunter.io/ios/app/learn-data-structures-offline/id6738282305)

Master data structures with this comprehensive offline learning app. It offers simple explanations, practical examples, and interview-focused content for students and aspiring software engineers. Build a strong computer science foundation anytime, anywhere.

**Highlights:** Offline learning, Simple explanations, Practical code examples, Interview-focused content, Comprehensive tutorials, Regular updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Karate Math Dojo free?

Karate Math Dojo is free to download, with in-app purchases available.

### Is Learn Data Structures Offline free?

Learn Data Structures Offline costs $1.99, with no in-app purchases.

### Which has better reviews, Karate Math Dojo or Learn Data Structures Offline?

Karate Math Dojo and Learn Data Structures Offline are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Karate Math Dojo or Learn Data Structures Offline have ads?

Neither Karate Math Dojo nor Learn Data Structures Offline shows ads.

### Which is updated more often, Karate Math Dojo or Learn Data Structures Offline?

Karate Math Dojo ships an update monthly, and Learn Data Structures Offline every 21 months. Most recently, Karate Math Dojo was updated on October 2, 2026 and Learn Data Structures Offline on September 23, 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.*