# Bubble Times Math vs 99乘法大挑戰：九九乘法練習

The clearest difference is in-app purchases: Bubble Times Math at none against 99乘法大挑戰：九九乘法練習's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 99乘法大挑戰：九九乘法練習 sells 1 one-off in-app purchase. Bubble Times Math asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Bubble Times Math | 99乘法大挑戰：九九乘法練習 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 115 MB | 126 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasuaki Maino](https://appshunter.io/developer/1792614110) | [HSIHSUN HO](https://appshunter.io/developer/6774536504) |

## 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


### 99乘法大挑戰：九九乘法練習

[App page](https://appshunter.io/ios/app/99/id6804374876)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整乘法學習・一次買斷 | $2.99 | one-time |


## Frequently asked questions

### Is Bubble Times Math free?

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

### Is 99乘法大挑戰：九九乘法練習 free?

99乘法大挑戰：九九乘法練習 is free to download, with in-app purchases available.

### Do Bubble Times Math or 99乘法大挑戰：九九乘法練習 have ads?

Neither Bubble Times Math nor 99乘法大挑戰：九九乘法練習 shows ads.

### Which is updated more often, Bubble Times Math or 99乘法大挑戰：九九乘法練習?

Bubble Times Math ships an update weekly, and 99乘法大挑戰：九九乘法練習 weekly. Most recently, Bubble Times Math was updated on October 30, 2026 and 99乘法大挑戰：九九乘法練習 on November 7, 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.*