Comparison

九九 vs Bubble Times Math

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

九九

This app offers a comprehensive multiplication and word problem learning experience with randomized practice questions. It includes a review mode for incorrect answers and is free to use with optional ad removal via in-app purchase.

Highlights
  • Randomized multiplication problems
  • Word problem practice
  • Review mode for incorrect answers
  • Calendar feature
  • Name and icon display for submissions
Features
Read full description

-多くの教育機関でもご好評いただいています- 2.0 追加機能 カレンダー なまえとアイコンを表示できる機能(スクリーンショットで宿題を提出する際などにご活用ください 九九やかけ算の問題がたくさん詰まったアプリです。 問題はランダムで作成されるので、何度でも繰り返し学習できます。 間違った問題だけを集めた復習モードを搭載! 苦手な段の克服に役立ちます。 全て無料でお使いいただけます。 画面下部にバナー広告が挿入されます。 アプリ内購入でバナー広告を非表示にできます。

About

Bubble Times Math

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
Read full description

Merge, split, and make multiplication fun! Bubble Times Math is a playful math puzzle game where kids move colorful number bubbles to practice the 1–9 times tables. See 12? Try 3 × 4 or 2 × 6. Find two numbers that multiply to make the target, then move them into place to build the equation. Can't find the number you need? Merge bubbles or split them into two to create new numbers. Explore different combinations and practice at your own pace. ■ A hands-on number puzzle Drag one bubble onto another to merge them and add their values. Double-tap a bubble to split it into two. Making the numbers you need is part of the puzzle! ■ Two ways to play • 60 SECONDS Solve as many problems as you can in 60 seconds and aim for a new high score. Get answers right in a row to earn bonus points. • NO TIME LIMIT Take your time and think it through. Choose one or more times tables from 1 to 9 to practice something new or revisit a tricky table. Hints are available when you need a little help. ■ Support for multiplication beginners On an iPad or another device with a wide landscape layout, you can display an optional multiplication chart. Tap a result in the chart to highlight its row and column and see the matching multiplication fact. Hide the chart whenever you want. ■ Made for • Kids starting to learn multiplication • Learners who want to practice specific times tables • Anyone who enjoys number puzzles • Parents and kids who want to explore multiplication together Play a quick 60-second challenge or take your time discovering different combinations. Find your own way to enjoy multiplication with Bubble Times Math!

Screenshots

九九4 screens
Bubble Times Math2 screens

Verdict

The call

The clearest difference is review sentiment: Bubble Times Math at 100% against 九九's 0%. Bubble Times Math also leads on in-app purchases (none vs 1) and ads (none vs shown). 九九's advantage is iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 九九 sells 1 one-off in-app purchase. Bubble Times Math asks for nothing beyond the download.

UpkeepUpdate frequency

九九 ships an update every 5 months, Bubble Times Math weekly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
九九 versus Bubble Times Math: the parameters behind the verdict, then further details
Parameter九九Bubble Times Math
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 5 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size109 MB115 MB
Age rating4+4+
DeveloperSumie WatanabeYasuaki Maino

Customer experience

九九

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bubble Times Math

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

九九

One-time1
  • 九九アプリバナー広告非表示$1.99
None

Bubble Times Math

No in-app purchases

Questions

Is 九九 free?
九九 is free to download, with in-app purchases available.
Is Bubble Times Math free?
Bubble Times Math is free to download, with no in-app purchases.
Do 九九 or Bubble Times Math have ads?
九九 shows ads; Bubble Times Math does not.
Which is updated more often, 九九 or Bubble Times Math?
九九 ships an update every 5 months, and Bubble Times Math weekly. Most recently, 九九 was updated on October 3, 2026 and Bubble Times Math on October 7, 2026.

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