# Number Line, by MLC vs Math Skills Builder Lite

The clearest difference is rating: Math Skills Builder Lite at 5.0 against Number Line, by MLC's 4.4. Math Skills Builder Lite also leads on iOS requirement (13.0 vs 16.1). Number Line, by MLC's advantage is in-app purchases (none vs 1) and ratings volume (15 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Math Skills Builder Lite sells 1 one-off in-app purchase. Number Line, by MLC asks for nothing beyond the download.

Math Skills Builder Lite 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, Math Skills Builder Lite every 19 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Number Line, by MLC | Math Skills Builder Lite |
| --- | --- | --- |
| 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/math-skills-builder-lite/id1277897625/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 19 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 191 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [Attainment Company](https://appshunter.io/developer/403989333) |

## 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


### Math Skills Builder Lite

[App page](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625)

This app helps students apply early numeracy skills to solve real-world math problems. It uses math stories and concrete strategies to teach when to add or subtract. Research indicates the program is highly effective for developing problem-solving abilities.

**Highlights:** Real-world math problem scenarios, Early numeracy skill application, Concrete addition/subtraction strategies, Multiple learning modes, Research-backed effectiveness

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $59.99 | one-time |


## Frequently asked questions

### Is Number Line, by MLC free?

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

### Is Math Skills Builder Lite free?

Math Skills Builder Lite is free to download, with in-app purchases available.

### Which has better reviews, Number Line, by MLC or Math Skills Builder Lite?

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

### Do Number Line, by MLC or Math Skills Builder Lite have ads?

Neither Number Line, by MLC nor Math Skills Builder Lite shows ads.

### Which is updated more often, Number Line, by MLC or Math Skills Builder Lite?

Number Line, by MLC ships an update every 13 months, and Math Skills Builder Lite every 19 months. Most recently, Number Line, by MLC was updated on November 6, 2026 and Math Skills Builder Lite on November 3, 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.*