# Math. vs Know Your World

The clearest difference is in-app purchases: Know Your World at none against Math.'s 10. Math.'s advantage is update cadence (every 3 months vs every 44 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Math. sells 10 in-app purchases, starting at $9.99 per month. Know Your World asks for nothing beyond the download.

Math. ships an update every 3 months, Know Your World every 44 months. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Math. | Know Your World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.6K ratings)](https://appshunter.io/ios/app/math/id469234810/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 73.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 44 months |
| Monetization | Subscription | — |
| Size | 14 MB | 21 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [YourTeacher.com](https://appshunter.io/developer/340925628) | [EdWare](https://appshunter.io/developer/554445658) |

## What reviewers say

### Math.

[App page](https://appshunter.io/ios/app/math/id469234810)

Access a comprehensive library of math courses with video lessons, interactive practice, and self-tests. Get personalized help for all levels, from elementary school to college and standardized test preparation. Offers a 3-day free trial.

**Highlights:** Extensive course library, Video lessons, Interactive practice, Self-tests, Standardized test prep, Homework help

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Math Lessons | $9.99 | per month |
| Unlimited Access Pass | $9.99 | one-time |
| Pre-Algebra | $9.99 | one-time |
| Algebra 1 | $9.99 | one-time |
| Geometry | $9.99 | one-time |
| College Pre-Algebra | $9.99 | one-time |
| Intermediate Algebra | $9.99 | one-time |
| College Algebra | $9.99 | one-time |
| 5th Grade Math | $9.99 | one-time |
| 6th Grade Math | $9.99 | one-time |

**What reviewers like**

- 🚀 Helpful for learning math
- 👍 Explains concepts well
- 💡 Useful for test preparation
- 🚀 Effective for improving math skills

**What reviewers complain about**

- 💰 Subscription model is expensive
- 🐛 App crashes or freezes
- 🐛 Audio/video issues
- 💰 Paid access to each topic is frustrating

**Reported bugs**

- Screen rotation issues
- Lessons not accessible after payment
- Inconsistent performance across devices

**Requested features**

- Offline mode for videos
- Ability to work out problems within the app
- Progress tracking and bookmarking
- Broader range of math topics covered


### Know Your World

[App page](https://appshunter.io/ios/app/know-your-world/id597861911)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math. free?

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

### Is Know Your World free?

Know Your World is free to download, with no in-app purchases.

### Do Math. or Know Your World have ads?

Neither Math. nor Know Your World shows ads.

### Which is updated more often, Math. or Know Your World?

Math. ships an update every 3 months, and Know Your World every 44 months. Most recently, Math. was updated on October 14, 2026 and Know Your World on September 28, 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.*