# Number Line, by MLC vs Math Facts Fluency

The clearest difference is rating: Number Line, by MLC at 4.4 against Math Facts Fluency's 3.0. Number Line, by MLC also leads on in-app purchases (none vs 3) and update cadence (every 13 months vs every 53 months). Math Facts Fluency's advantage is device support (3 vs 1) and iOS requirement (12.2 vs 16.1). On price and ads there is nothing between them.

Both are free to download. Math Facts Fluency sells 3 one-off in-app purchases. Number Line, by MLC asks for nothing beyond the download.

Number Line, by MLC holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Number Line, by MLC has 15 ratings behind it against 2, so its average is the more settled of the two.

Number Line, by MLC ships an update every 13 months, Math Facts Fluency every 53 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Number Line, by MLC | Math Facts Fluency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/math-facts-fluency/id1120776621/reviews) |
| Number of ratings | **15** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 53 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 17 MB |
| Requires iOS | 16.1 | **12.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [Janine Toole](https://appshunter.io/developer/839832427) |

## 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 Facts Fluency

[App page](https://appshunter.io/ios/app/math-facts-fluency/id1120776621)

This app helps children achieve fluency in multiplication and division math facts through timed practice and a rewarding game center. It offers progress tracking and is designed for children with and without special needs, as well as adults learning English.

**Highlights:** Multiplication and division fact practice, Timed challenges for fluency, Progress tracking and reporting, Reward center for motivation, Designed for special needs learners, Suitable for adults learning ESL

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2 Users | $1.99 | one-time |
| All Levels | $2.99 | one-time |
| Up to 10 Users | $3.99 | 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 Facts Fluency free?

Math Facts Fluency is free to download, with in-app purchases available.

### Which has better reviews, Number Line, by MLC or Math Facts Fluency?

Number Line, by MLC is rated higher. Number Line, by MLC averages 4.4 out of 5 from 15 ratings, while Math Facts Fluency averages 3.0 from 2 ratings.

### Do Number Line, by MLC or Math Facts Fluency have ads?

Neither Number Line, by MLC nor Math Facts Fluency shows ads.

### Which is updated more often, Number Line, by MLC or Math Facts Fluency?

Number Line, by MLC ships an update every 13 months, and Math Facts Fluency every 53 months. Most recently, Number Line, by MLC was updated on November 6, 2026 and Math Facts Fluency on November 2, 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.*