# Number Line, by MLC vs SAM Root

The clearest difference is rating: Number Line, by MLC at 4.4 against SAM Root's 3.8. Number Line, by MLC also leads on review sentiment (67% vs 46%). SAM Root's advantage is update cadence (monthly vs every 13 months) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Number Line, by MLC holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 15 and 42 respectively. Written reviews point the same way: 67% of Number Line, by MLC's written reviews are positive against 46% of SAM Root's.

Number Line, by MLC ships an update every 13 months, SAM Root monthly. Both last shipped on October 9, 2026.

## The numbers

| Metric | Number Line, by MLC | SAM Root |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews)** | [3.8 (42 ratings)](https://appshunter.io/ios/app/sam-root/id1524652548/reviews) |
| Number of ratings | 15 | **42** |
| Positive reviews | **66.7% of reviews** | 46.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Free | Free |
| Size | 7 MB | 92 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [SAM Labs](https://appshunter.io/developer/1033131753) |

## 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


### SAM Root

[App page](https://appshunter.io/ios/app/sam-root/id1524652548)

Learn programming through interactive robotics with three progressive coding levels, from graphical blocks to Python 3. Control robots in real-time or test your code with a built-in 3D simulator.

**Highlights:** Three progressive coding levels, Graphical blocks to Python 3, Real-time robot control, Built-in 3D simulator, Seamless level switching, Bluetooth robot pairing

**In-app purchases:** none


## Frequently asked questions

### Is Number Line, by MLC free?

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

### Is SAM Root free?

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

### Which has better reviews, Number Line, by MLC or SAM Root?

Number Line, by MLC is rated higher. Number Line, by MLC averages 4.4 out of 5 from 15 ratings, while SAM Root averages 3.8 from 42 ratings.

### Do Number Line, by MLC or SAM Root have ads?

Neither Number Line, by MLC nor SAM Root shows ads.

### Which is updated more often, Number Line, by MLC or SAM Root?

Number Line, by MLC ships an update every 13 months, and SAM Root monthly. Most recently, Number Line, by MLC was updated on October 9, 2026 and SAM Root on October 9, 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.*