# 6th Grade Math Challenge vs Carbi

The clearest difference is in-app purchases: Carbi at none against 6th Grade Math Challenge's 1. 6th Grade Math Challenge's advantage is iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 6th Grade Math Challenge sells 1 one-off in-app purchase. Carbi asks for nothing beyond the download.

## The numbers

| Metric | 6th Grade Math Challenge | Carbi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (15 ratings)](https://appshunter.io/ios/app/6th-grade-math-challenge/id1534522143/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 29 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IT365 Solutions Inc](https://appshunter.io/developer/1531416759) | [Maram Bin Gubair](https://appshunter.io/developer/1877064794) |

## What reviewers say

### 6th Grade Math Challenge

[App page](https://appshunter.io/ios/app/6th-grade-math-challenge/id1534522143)

Test your math skills with 100 challenging questions and puzzles designed for a 6th-grade level. Track your progress, earn a certificate of your final score, and compete with friends and family to see who can achieve the highest marks.

**Highlights:** 100 math questions and levels, Includes math puzzles, Certificate of final score, Challenge friends and family, Track your standing

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads from Math 6 | $0.99 | one-time |


### Carbi

[App page](https://appshunter.io/ios/app/carbi/id6761691669)

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

**In-app purchases:** none


## Frequently asked questions

### Is 6th Grade Math Challenge free?

6th Grade Math Challenge is free to download, with in-app purchases available.

### Is Carbi free?

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

### Do 6th Grade Math Challenge or Carbi have ads?

Neither 6th Grade Math Challenge nor Carbi shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*