# Number Line, by MLC vs Cortex 5.0

The clearest difference is rating: Cortex 5.0 at 5.0 against Number Line, by MLC's 4.4. Cortex 5.0 also leads on iOS requirement (10.0 vs 16.1). Number Line, by MLC's advantage is ratings volume (15 vs 1). On price, update cadence, 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.

Cortex 5.0 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Number Line, by MLC has 15 ratings behind it against 1, so its average is the more settled of the two.

Number Line, by MLC ships an update every 13 months, Cortex 5.0 every 20 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Number Line, by MLC | Cortex 5.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cortex-50/id940894725/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 20 months |
| Monetization | Free | Free |
| Size | 7 MB | 83 MB |
| Requires iOS | 16.1 | **10.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [PCS Edventures!](https://appshunter.io/developer/920195647) |

## 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


### Cortex 5.0

[App page](https://appshunter.io/ios/app/cortex-50/id940894725)

This app provides a drag-and-drop interface for programming robotics kits, generating Arduino code. It allows users to build and program robots that interact with their environment using sensors and various building systems. The user-friendly, game-like environment is ideal for learning programming and Arduino coding.

**Highlights:** Drag-and-drop programming interface, Generates Arduino code, Supports multiple building systems (fischertechnik, LEGO, K'NEX, VEX), Robot interaction with sensors, Game-like learning environment, iPad compatible

**Features:** macOS Compatibility

**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 Cortex 5.0 free?

Cortex 5.0 is free to download, with no in-app purchases.

### Which has better reviews, Number Line, by MLC or Cortex 5.0?

Cortex 5.0 is rated higher. Number Line, by MLC averages 4.4 out of 5 from 15 ratings, while Cortex 5.0 averages 5.0 from 1 ratings.

### Do Number Line, by MLC or Cortex 5.0 have ads?

Neither Number Line, by MLC nor Cortex 5.0 shows ads.

### Which is updated more often, Number Line, by MLC or Cortex 5.0?

Number Line, by MLC ships an update every 13 months, and Cortex 5.0 every 20 months. Most recently, Number Line, by MLC was updated on November 1, 2026 and Cortex 5.0 on November 1, 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.*