# Bubble Times Math vs 悦学云

The clearest difference is update cadence: Bubble Times Math at weekly against 悦学云's every 3 weeks. Bubble Times Math also leads on iOS requirement (16.0 vs 18.6). 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, 悦学云 every 3 weeks. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Bubble Times Math | 悦学云 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 115 MB | 6 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasuaki Maino](https://appshunter.io/developer/1792614110) | [北京宜天美科技有限公司](https://appshunter.io/developer/1838651464) |

## 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


### 悦学云

[App page](https://appshunter.io/ios/app/id6768720871)

**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 悦学云 free?

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

### Do Bubble Times Math or 悦学云 have ads?

Neither Bubble Times Math nor 悦学云 shows ads.

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

Bubble Times Math ships an update weekly, and 悦学云 every 3 weeks. Most recently, Bubble Times Math was updated on September 20, 2026 and 悦学云 on September 21, 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.*