# GenomeCache vs Number Line, by MLC

The clearest difference is review sentiment: Number Line, by MLC at 67% against GenomeCache's 44%. Number Line, by MLC also leads on rating (4.4 vs 4.2) and ratings volume (15 vs 5). GenomeCache's advantage is update cadence (every 3 months vs every 13 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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 4.2. Both are backed by a comparable volume of ratings — 5 and 15 respectively. Written reviews point the same way: 44% of GenomeCache's written reviews are positive against 67% of Number Line, by MLC's.

GenomeCache ships an update every 3 months, Number Line, by MLC every 13 months. The most recent releases landed on November 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GenomeCache | Number Line, by MLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/genomecache/id470275184/reviews) | **[4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews)** |
| Number of ratings | 5 | **15** |
| Positive reviews | 44.4% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 113 MB | 7 MB |
| Requires iOS | **11** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [HudsonAlpha Institute for Biotechnology](https://appshunter.io/developer/364882018) | [The Math Learning Center](https://appshunter.io/developer/1542700905) |

## What reviewers say

### GenomeCache

[App page](https://appshunter.io/ios/app/genomecache/id470275184)

Explore the human genome through a virtual scavenger hunt, learning about genetic points of interest and their contribution to human traits. Test your knowledge with trivia and compete on a leaderboard.

**Highlights:** Virtual scavenger hunt through the human genome, Learn about genetic points of interest, Discover how genes contribute to human traits, Engage with fun facts, Test knowledge with trivia questions, Post high scores to a leaderboard

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is GenomeCache free?

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

### Is Number Line, by MLC free?

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

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

Number Line, by MLC is rated higher. GenomeCache averages 4.2 out of 5 from 5 ratings, while Number Line, by MLC averages 4.4 from 15 ratings.

### Do GenomeCache or Number Line, by MLC have ads?

Neither GenomeCache nor Number Line, by MLC shows ads.

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

GenomeCache ships an update every 3 months, and Number Line, by MLC every 13 months. Most recently, GenomeCache was updated on November 1, 2026 and Number Line, by MLC on October 9, 2026.

---

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