# Boom Cards vs Communication Buttons Expanded

The clearest difference is price: Boom Cards at Free against Communication Buttons Expanded's $6.99. Boom Cards also leads on update cadence (every 3 months vs every 27 months). Communication Buttons Expanded's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Boom Cards is free to download; Communication Buttons Expanded costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Boom Cards ships an update every 3 months, Communication Buttons Expanded every 27 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Boom Cards | Communication Buttons Expanded |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/boom-cards/id1041141473/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 27 months |
| Monetization | Free | — |
| Size | 34 MB | 23 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omega Labs Inc.](https://appshunter.io/developer/567183613) | [Preferred Mobile Applications, LLC](https://appshunter.io/developer/779885959) |

## What reviewers say

### Boom Cards

[App page](https://appshunter.io/ios/app/boom-cards/id1041141473)

This app allows students to play interactive, self-grading digital flashcards on their iOS devices. It syncs with a teacher's account, enabling assignment of activities and performance tracking. Millions of educators trust this platform for engaging learning experiences.

**Highlights:** Self-grading digital flashcards, Synchronizes with Boom Classroom, Assign materials to classes, Review student performance, Access over 500,000 decks, Detailed student reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Communication Buttons Expanded

[App page](https://appshunter.io/ios/app/communication-buttons-expanded/id1131610796)

**In-app purchases:** none


## Frequently asked questions

### Is Boom Cards free?

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

### Is Communication Buttons Expanded free?

Communication Buttons Expanded costs $6.99, with no in-app purchases.

### Do Boom Cards or Communication Buttons Expanded have ads?

Neither Boom Cards nor Communication Buttons Expanded shows ads.

### Which is updated more often, Boom Cards or Communication Buttons Expanded?

Boom Cards ships an update every 3 months, and Communication Buttons Expanded every 27 months. Most recently, Boom Cards was updated on November 2, 2026 and Communication Buttons Expanded on November 6, 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.*