# Boom Cards vs Speech2Math Calculator

The clearest difference is rating: Boom Cards at 3.3 against Speech2Math Calculator's 2.3. Boom Cards also leads on review sentiment (41% vs 0%) and in-app purchases (none vs 1). Speech2Math Calculator's advantage is iOS requirement (10.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Speech2Math Calculator sells 1 one-off in-app purchase. Boom Cards asks for nothing beyond the download.

Boom Cards holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 41% of Boom Cards's written reviews are positive against 0% of Speech2Math Calculator's.

Boom Cards ships an update every 3 months, Speech2Math Calculator every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Boom Cards | Speech2Math Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/boom-cards/id1041141473/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/speech2math-calculator/id1216734849/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | **40.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 89 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omega Labs Inc.](https://appshunter.io/developer/567183613) | [Audiosdroid OU](https://appshunter.io/developer/869671589) |

## 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


### Speech2Math Calculator

[App page](https://appshunter.io/ios/app/speech2math-calculator/id1216734849)

This app converts spoken mathematical commands into expressions for calculation. It offers a wide range of operations and supports numerous languages for voice input. An on-screen keyboard allows for manual editing of expressions.

**Highlights:** Speech to math expression conversion, On-screen keyboard for editing, Basic and scientific calculator functions, Multi-language voice input support, Trigonometric and logarithmic functions (PRO), Text-to-speech (TTS) support

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speech2Math Calculator PRO | $0.99 | one-time |


## Frequently asked questions

### Is Boom Cards free?

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

### Is Speech2Math Calculator free?

Speech2Math Calculator is free to download, with in-app purchases available.

### Which has better reviews, Boom Cards or Speech2Math Calculator?

Boom Cards is rated higher. Boom Cards averages 3.3 out of 5 from 6 ratings, while Speech2Math Calculator averages 2.3 from 3 ratings.

### Do Boom Cards or Speech2Math Calculator have ads?

Neither Boom Cards nor Speech2Math Calculator shows ads.

### Which is updated more often, Boom Cards or Speech2Math Calculator?

Boom Cards ships an update every 3 months, and Speech2Math Calculator every 4 months. Most recently, Boom Cards was updated on November 2, 2026 and Speech2Math Calculator 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.*
