# Number Rack, by MLC vs CC Card Deck

The clearest difference is review sentiment: Number Rack, by MLC at 100% against CC Card Deck's 0%. CC Card Deck's advantage is rating (4.8 vs 3.2) and update cadence (every 4 days vs every 25 months). 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.

CC Card Deck holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: CC Card Deck has 243 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 100% of Number Rack, by MLC's written reviews are positive against 0% of CC Card Deck's, so the app with the better star average is not the one people write more warmly about.

Number Rack, by MLC ships an update every 25 months, CC Card Deck every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Number Rack, by MLC | CC Card Deck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (9 ratings)](https://appshunter.io/ios/app/number-rack-by-mlc/id1469094747/reviews) | **[4.8 (243 ratings)](https://appshunter.io/ios/app/cc-card-deck/id1583565900/reviews)** |
| Number of ratings | 9 | **243** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 4 MB | 102 MB |
| Requires iOS | **14.7** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [Center for the Collaborative Classroom](https://appshunter.io/developer/644199279) |

## What reviewers say

### 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


### CC Card Deck

[App page](https://appshunter.io/ios/app/cc-card-deck/id1583565900)

This app offers digital card decks for foundational reading skills instruction. It supports students in grades K-12, particularly those new to reading or struggling, to build confidence and fluency.

**Highlights:** Digital card decks, Foundational skills instruction, Supports SIPPS program, Supports Being a Reader program, K-12 reading support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Number Rack, by MLC free?

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

### Is CC Card Deck free?

CC Card Deck is free to download, with no in-app purchases.

### Which has better reviews, Number Rack, by MLC or CC Card Deck?

CC Card Deck is rated higher. Number Rack, by MLC averages 3.2 out of 5 from 9 ratings, while CC Card Deck averages 4.8 from 243 ratings.

### Do Number Rack, by MLC or CC Card Deck have ads?

Neither Number Rack, by MLC nor CC Card Deck shows ads.

### Which is updated more often, Number Rack, by MLC or CC Card Deck?

Number Rack, by MLC ships an update every 25 months, and CC Card Deck every 4 days. Most recently, Number Rack, by MLC was updated on October 24, 2026 and CC Card Deck on October 25, 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.*