# Slapstack Math vs Blind Mahjong

The clearest difference is in-app purchases: Slapstack Math at none against Blind Mahjong's 2. Slapstack Math also leads on review sentiment (100% vs 67%) and rating (5.0 vs 4.6). Blind Mahjong's advantage is update cadence (fortnightly vs every 19 months) and ratings volume (8 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Blind Mahjong sells 2 in-app purchases, starting at $0.99 per month. Slapstack Math asks for nothing beyond the download.

Slapstack Math holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 100% of Slapstack Math's written reviews are positive against 67% of Blind Mahjong's.

Slapstack Math ships an update every 19 months, Blind Mahjong fortnightly. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Slapstack Math | Blind Mahjong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slapstack-math/id1209184917/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/blind-mahjong/id1574002764/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 7 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [American Printing House for the Blind (APH)](https://appshunter.io/developer/704570515) | [Li Zhou](https://appshunter.io/developer/1574002766) |

## 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


### Blind Mahjong

[App page](https://appshunter.io/ios/app/blind-mahjong/id1574002764)

Experience traditional Chinese Mahjong with full accessibility for blind and visually impaired players. Enjoy offline single-player or online multiplayer modes, enhancing memory, concentration, and strategic thinking. This game offers a clean interface with high contrast and large print for all ages.

**Highlights:** VoiceOver screen reader support, Offline single-player mode, Online multiplayer for up to four players, High color contrast and large print, Adjustable computer player skill levels, Detailed how-to-play instructions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is Slapstack Math free?

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

### Is Blind Mahjong free?

Blind Mahjong is free to download, with in-app purchases available.

### Which has better reviews, Slapstack Math or Blind Mahjong?

Slapstack Math is rated higher. Slapstack Math averages 5.0 out of 5 from 2 ratings, while Blind Mahjong averages 4.6 from 8 ratings.

### Do Slapstack Math or Blind Mahjong have ads?

Neither Slapstack Math nor Blind Mahjong shows ads.

### Which is updated more often, Slapstack Math or Blind Mahjong?

Slapstack Math ships an update every 19 months, and Blind Mahjong fortnightly. Most recently, Slapstack Math was updated on June 1, 2026 and Blind Mahjong on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*