# Number Flash vs Number Rack, by MLC

The clearest difference is review sentiment: Number Rack, by MLC at 100% against Number Flash's 33%. Number Rack, by MLC also leads on update cadence (every 25 months vs every 57 months). Number Flash's advantage is rating (4.3 vs 3.2) and device support (3 vs 1). 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.

Number Flash holds the better App Store score, 4.3 against 3.2. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews complicate that: 33% of Number Flash's written reviews are positive against 100% of Number Rack, by MLC's, so the app with the better star average is not the one people write more warmly about.

Number Flash ships an update every 57 months, Number Rack, by MLC every 25 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Number Flash | Number Rack, by MLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/number-flash/id610929803/reviews)** | [3.2 (9 ratings)](https://appshunter.io/ios/app/number-rack-by-mlc/id1469094747/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 57 months | **Every 25 months** |
| Monetization | Free | Free |
| Size | 21 MB | 4 MB |
| Requires iOS | **11.0** | 14.7 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mitchell Mark](https://appshunter.io/developer/476477906) | [The Math Learning Center](https://appshunter.io/developer/1542700905) |

## What reviewers say

### Number Flash

[App page](https://appshunter.io/ios/app/number-flash/id610929803)

This educational app helps young children develop number sense by flashing ten frames and having them recall the quantity. It encourages strategic thinking about numbers in relation to five and ten, aiding in basic fact acquisition. Teachers can use it for interactive classroom activities.

**Highlights:** Flashing ten frames with dots, Adjustable display duration, Number recall challenges, Develops number sense, Supports strategic thinking, Classroom projection mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Rack, by MLC

[App page](https://appshunter.io/ios/app/number-rack-by-mlc/id1469094747)

This virtual manipulative tool helps children develop number sense through interactive bead groupings. It supports exploration of addition and subtraction strategies with customizable rows and colors. Ideal for elementary classrooms, it includes annotation and sharing features.

**Highlights:** 1-10 rows of 10 beads, Resizable bead covers for subtraction, Color-coded bead rows, Annotation and drawing tools, Math text and writing tools, Shareable work via image or code

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Flash free?

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

### Is Number Rack, by MLC free?

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

### Which has better reviews, Number Flash or Number Rack, by MLC?

Number Flash is rated higher. Number Flash averages 4.3 out of 5 from 4 ratings, while Number Rack, by MLC averages 3.2 from 9 ratings.

### Do Number Flash or Number Rack, by MLC have ads?

Neither Number Flash nor Number Rack, by MLC shows ads.

### Which is updated more often, Number Flash or Number Rack, by MLC?

Number Flash ships an update every 57 months, and Number Rack, by MLC every 25 months. Most recently, Number Flash was updated on October 23, 2026 and Number Rack, by MLC on October 24, 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.*