# Number Line, by MLC vs 6th Grade Math

The clearest difference is rating: Number Line, by MLC at 4.4 against 6th Grade Math's 3.3. Number Line, by MLC also leads on in-app purchases (none vs 1) and ratings volume (15 vs 3). 6th Grade Math's advantage is update cadence (every 4 months vs every 13 months) and device support (3 vs 1). On price, review sentiment, ads and iOS requirement there is nothing between them.

Both are free to download. 6th Grade Math sells 1 in-app purchase, starting at $4.99 per month. Number Line, by MLC asks for nothing beyond the download.

Number Line, by MLC holds the better App Store score, 4.4 against 3.3. That said, the two scores are not equally well evidenced: Number Line, by MLC has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 67% positive.

Number Line, by MLC ships an update every 13 months, 6th Grade Math every 4 months. The most recent releases landed on October 9, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Number Line, by MLC | 6th Grade Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/6th-grade-math-math-galaxy/id943497444/reviews) |
| Number of ratings | **15** | 3 |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 391 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [Math Galaxy](https://appshunter.io/developer/500490521) |

## What reviewers say

### Number Line, by MLC

[App page](https://appshunter.io/ios/app/number-line-by-mlc/id751816884)

This app allows students to visualize number sequences and demonstrate mathematical strategies. It supports various number types and offers tools for annotation, problem-solving, and sharing work. Ideal for elementary classrooms and iPad learning environments.

**Highlights:** Visualize number sequences, Demonstrate counting, adding, subtracting, multiplying, dividing, Use whole numbers, fractions, decimals, or negative numbers, Add custom tick marks and labels, Hide and reveal numbers and jumps, Annotation and drawing tools, Save and share work

**Features:** macOS Compatibility

**In-app purchases:** none


### 6th Grade Math

[App page](https://appshunter.io/ios/app/6th-grade-math-math-galaxy/id943497444)

This app provides a comprehensive review and practice of essential math skills for sixth graders. It covers all Common Core standards with unlimited practice problems, interactive illustrations, and engaging games. Earn rewards and track progress with shareable score summaries.

**Highlights:** Covers all Common Core math standards for 6th grade, Unlimited practice problems with random number generation, Illustrations to reinforce concepts, Earn robots for maze and side-scrolling games, Emailable certificates and score summaries, Bite-sized concept presentation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6th Grade Math - Math Galaxy | $4.99 | per month |


## Frequently asked questions

### Is Number Line, by MLC free?

Number Line, by MLC is free to download, with no in-app purchases.

### Is 6th Grade Math free?

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

### Which has better reviews, Number Line, by MLC or 6th Grade Math?

Number Line, by MLC is rated higher. Number Line, by MLC averages 4.4 out of 5 from 15 ratings, while 6th Grade Math averages 3.3 from 3 ratings.

### Do Number Line, by MLC or 6th Grade Math have ads?

Neither Number Line, by MLC nor 6th Grade Math shows ads.

### Which is updated more often, Number Line, by MLC or 6th Grade Math?

Number Line, by MLC ships an update every 13 months, and 6th Grade Math every 4 months. Most recently, Number Line, by MLC was updated on October 9, 2026 and 6th Grade Math on October 22, 2026.

---

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