# Slapstack Math vs Sound Matching

The clearest difference is update cadence: Sound Matching at every 5 days against Slapstack Math's every 19 months. Slapstack Math's advantage is iOS requirement (8.0 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Slapstack Math against 5.0 for Sound Matching. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Slapstack Math ships an update every 19 months, Sound Matching every 5 days. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Slapstack Math | Sound Matching |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/slapstack-math/id1209184917/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/sound-matching/id1602926022/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 5 MB | 18 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [American Printing House for the Blind (APH)](https://appshunter.io/developer/704570515) | [Unboxing Solutions B.V.](https://appshunter.io/developer/884823006) |

## What reviewers say

### Slapstack Math

[App page](https://appshunter.io/ios/app/slapstack-math/id1209184917)

This game turns math flashcards into a fast-paced action and memory challenge. Players slap the table or perform other actions based on math problems and their answers, with customizable rules and difficulty.

**Highlights:** Math flashcard gameplay, Customizable action rules, Addition, subtraction, multiplication, division modes, Self-voicing and VoiceOver compatible, High-contrast colors and large print, Adjustable game speed

**In-app purchases:** none


### Sound Matching

[App page](https://appshunter.io/ios/app/sound-matching/id1602926022)

A memory-boosting matching game that utilizes sounds for gameplay. It offers various modes to train sound recognition and is specifically optimized for visually impaired individuals, featuring extensive accessibility options.

**Highlights:** Multiple game modes, Sound recognition training, Customizable sound categories, Adjustable difficulty levels, Multiplayer support, Extensive accessibility options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Slapstack Math free?

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

### Is Sound Matching free?

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

### Which has better reviews, Slapstack Math or Sound Matching?

Slapstack Math and Sound Matching are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Slapstack Math or Sound Matching have ads?

Neither Slapstack Math nor Sound Matching shows ads.

### Which is updated more often, Slapstack Math or Sound Matching?

Slapstack Math ships an update every 19 months, and Sound Matching every 5 days. Most recently, Slapstack Math was updated on June 1, 2026 and Sound Matching on September 20, 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.*