# Number Line, by MLC vs Learn by doing! (Beginner)

The clearest difference is review sentiment: Learn by doing! (Beginner) at 100% against Number Line, by MLC's 67%. Learn by doing! (Beginner) also leads on rating (4.8 vs 4.4) and update cadence (every 3 months vs every 13 months). 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.

Learn by doing! (Beginner) holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews point the same way: 67% of Number Line, by MLC's written reviews are positive against 100% of Learn by doing! (Beginner)'s.

Number Line, by MLC ships an update every 13 months, Learn by doing! (Beginner) every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Number Line, by MLC | Learn by doing! (Beginner) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/learn-by-doing-beginner/id1086273809/reviews)** |
| Number of ratings | **15** | 6 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 7 MB | 629 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [Interact and Immerse](https://appshunter.io/developer/984967145) |

## 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


### Learn by doing! (Beginner)

[App page](https://appshunter.io/ios/app/learn-by-doing-beginner/id1086273809)

Learn a new language through interactive, real-world scenarios like driving, cooking, and home repair. This app focuses on immersion to help you think in the target language, starting with foundational vocabulary for young learners.

**Highlights:** Immersive learning environment, Real-world scenario simulations, Focus on thinking in the new language, Beginner to low intermediate level, Spanish, French, English included, Ages 4-7 focus

**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 Learn by doing! (Beginner) free?

Learn by doing! (Beginner) is free to download, with no in-app purchases.

### Which has better reviews, Number Line, by MLC or Learn by doing! (Beginner)?

Learn by doing! (Beginner) is rated higher. Number Line, by MLC averages 4.4 out of 5 from 15 ratings, while Learn by doing! (Beginner) averages 4.8 from 6 ratings.

### Do Number Line, by MLC or Learn by doing! (Beginner) have ads?

Neither Number Line, by MLC nor Learn by doing! (Beginner) shows ads.

### Which is updated more often, Number Line, by MLC or Learn by doing! (Beginner)?

Number Line, by MLC ships an update every 13 months, and Learn by doing! (Beginner) every 3 months. Most recently, Number Line, by MLC was updated on November 1, 2026 and Learn by doing! (Beginner) on November 2, 2026.

---

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