# Slapstack Math vs Bubbly

The clearest difference is update cadence: Bubbly at every 5 months against Slapstack Math's every 19 months. Bubbly also leads on ratings volume (10 vs 2). Slapstack Math's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 16.0). On price, rating, review sentiment and ads 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 4.9 for Bubbly. That said, the two scores are not equally well evidenced: Bubbly has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Slapstack Math ships an update every 19 months, Bubbly every 5 months. The most recent releases landed on June 1, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Slapstack Math | Bubbly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slapstack-math/id1209184917/reviews)** | [4.9 (10 ratings)](https://appshunter.io/ios/app/bubbly-cvi-literacy/id1616368300/reviews) |
| Number of ratings | 2 | **10** |
| 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 months** |
| Monetization | Free | Free |
| Size | 5 MB | 4 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [American Printing House for the Blind (APH)](https://appshunter.io/developer/704570515) | [App Team Carolina](https://appshunter.io/developer/1683931124) |

## 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


### Bubbly

[App page](https://appshunter.io/ios/app/bubbly-cvi-literacy/id1616368300)

This game helps children with Cortical Visual Impairment (CVI) develop literacy skills. It offers customizable word lists, engaging sounds, and bright visuals to improve reading comprehension.

**Highlights:** Literacy skill development for CVI, Customizable word lists, Engaging sounds and visuals, Adjustable colors and sizing, Game summaries for progress tracking

**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 Bubbly free?

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

### Which has better reviews, Slapstack Math or Bubbly?

Slapstack Math is rated higher. Slapstack Math averages 5.0 out of 5 from 2 ratings, while Bubbly averages 4.9 from 10 ratings.

### Do Slapstack Math or Bubbly have ads?

Neither Slapstack Math nor Bubbly shows ads.

### Which is updated more often, Slapstack Math or Bubbly?

Slapstack Math ships an update every 19 months, and Bubbly every 5 months. Most recently, Slapstack Math was updated on June 1, 2026 and Bubbly on June 5, 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.*