# 12th Grade Math Challenge vs K

The clearest difference is rating: 12th Grade Math Challenge at 5.0 against K's 4.5. 12th Grade Math Challenge also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). K's advantage is update cadence (fortnightly vs every 11 months) and ratings volume (133 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 12th Grade Math Challenge sells 1 one-off in-app purchase and K sells 8 in-app purchases, starting at $1.99 per 3 months. Whichever you choose, the download price is not the number that matters.

12th Grade Math Challenge holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: K has 133 ratings behind it against 1, so its average is the more settled of the two.

12th Grade Math Challenge ships an update every 11 months, K fortnightly. The most recent releases landed on September 2, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 12th Grade Math Challenge | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/12th-grade-math-challenge/id1626192903/reviews)** | [4.5 (133 ratings)](https://appshunter.io/ios/app/k-12-math-learning-and-practice/id6446872948/reviews) |
| Number of ratings | 1 | **133** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 235 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IT365 Solutions Inc](https://appshunter.io/developer/1531416759) | [DEVWORLD VIETAM COMPANY LIMITED](https://appshunter.io/developer/1867412933) |

## What reviewers say

### 12th Grade Math Challenge

[App page](https://appshunter.io/ios/app/12th-grade-math-challenge/id1626192903)

Test your knowledge with 12th-grade level math problems and puzzles. Track your progress, challenge friends, and earn a certificate of your final score. Step-by-step solutions are available for better understanding.

**Highlights:** 12th-grade math questions, Math puzzles, Score certificates, Challenge friends, Step-by-step solutions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads from Math 12 | $0.99 | one-time |


### K

[App page](https://appshunter.io/ios/app/k-12-math-learning-and-practice/id6446872948)

Master K-12 math with interactive games and practice covering algebra, calculus, and more. Features AI-powered explanations, quizzes, and a graphing calculator for on-the-go learning.

**Highlights:** Comprehensive math topics, AI-powered solver with explanations, Interactive quizzes, Smart graphing calculator, Video lessons and tips, Offline practice

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Months VIP | $1.99 | per 3 months |
| Learning Premium Monthly Plan | $1.99 | per month |
| One Month VIP | $4.99 | per month |
| Learning Premium HalfYear Plan | $5.99 | per 6 months |
| Learning Premium Annual Plan | $9.99 | per year |
| Six Months VIP | $24.99 | per 6 months |
| 1 Year VIP | $49.99 | per year |
| No ads Pack | $14.99 | one-time |


## Frequently asked questions

### Is 12th Grade Math Challenge free?

12th Grade Math Challenge is free to download, with in-app purchases available.

### Is K free?

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

### Which has better reviews, 12th Grade Math Challenge or K?

12th Grade Math Challenge is rated higher. 12th Grade Math Challenge averages 5.0 out of 5 from 1 ratings, while K averages 4.5 from 133 ratings.

### Do 12th Grade Math Challenge or K have ads?

K shows ads; 12th Grade Math Challenge does not.

### Which is updated more often, 12th Grade Math Challenge or K?

12th Grade Math Challenge ships an update every 11 months, and K fortnightly. Most recently, 12th Grade Math Challenge was updated on September 2, 2026 and K on September 24, 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.*