百Math vs BrainTrainingCalculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
百Math
This app helps users improve their mental arithmetic skills through a 100-problem calculation trainer. It offers various modes, progress tracking, and a global leaderboard to encourage practice and competition. A clean design and home screen widget provide convenient access.
- 100-problem calculation trainer
- Addition, Subtraction, Multiplication, Division modes
- Progress tracking (streak, average time, charts)
- Global ranking system
- Distraction-free design
- Home screen widget
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When did you last do mental math without reaching for your phone? 百Math was built by an engineer who realized he'd become too dependent on calculators and AI to do even simple arithmetic. This app is his answer — and maybe yours too. Trusted by users for 5 years, 百Math is a no-frills 100-problem calculation trainer. Solve all 100 as fast as you can, track your progress, and compete on the global leaderboard. 【Key Features】 ・4 Modes: Addition, Subtraction, Multiplication, and Division ・Schulte Table — a visual search game that sharpens your peripheral vision and focus ・Flash Calculation — a new mode that trains your instant recall ・Ghost Race — compete against your personal best ・Heatmap to spot your weak spots ・Clean, distraction-free design ・Global ranking system ・Streak counter, average time, and time chart to track improvement ・Home screen widget for quick access
BrainTrainingCalculator
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How to play Select from 4 options and solve the calculation problems. Recommendations There are 4 levels of difficulty! The second half is more difficult. The second half of the game is more difficult.
Screenshots
Verdict
The clearest difference is iOS requirement: BrainTrainingCalculator at 15.5 against 百Math's 18.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.
| Parameter | 百Math | BrainTrainingCalculator |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Weekly | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 18 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | naoya saito | ryo muranaka |
In-app purchases
百Math
No in-app purchases
BrainTrainingCalculator
No in-app purchases
Questions
Is 百Math free?
Is BrainTrainingCalculator free?
Do 百Math or BrainTrainingCalculator have ads?
Which is updated more often, 百Math or BrainTrainingCalculator?
Other comparisons
