# Bubble Times Math vs Clefkid

The clearest difference is update cadence: Clefkid at every 2 days against Bubble Times Math's weekly. On price, ads, in-app purchases and device support there is nothing between them.

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

Bubble Times Math ships an update weekly, Clefkid every 2 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Bubble Times Math | Clefkid |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 115 MB | 0 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasuaki Maino](https://appshunter.io/developer/1792614110) | [Ylemos inc](https://appshunter.io/developer/6782556214) |

## What reviewers say

### Bubble Times Math

[App page](https://appshunter.io/ios/app/bubble-times-math/id6741021188)

Learn multiplication tables through a fun, interactive game. Combine and split colorful number balls to solve equations and improve calculation skills. Offers timed and untimed modes for practice at any pace.

**Highlights:** Combine and split number balls, Unique gameplay mechanics, Timed Normal Mode, Untimed Endless Mode, Score-based challenges, Short, engaging play sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Clefkid

[App page](https://appshunter.io/ios/app/clefkid/id6817055992)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Times Math free?

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

### Is Clefkid free?

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

### Do Bubble Times Math or Clefkid have ads?

Neither Bubble Times Math nor Clefkid shows ads.

### Which is updated more often, Bubble Times Math or Clefkid?

Bubble Times Math ships an update weekly, and Clefkid every 2 days. Most recently, Bubble Times Math was updated on October 7, 2026 and Clefkid on October 9, 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.*