# Flash: Mental Math Practice

Android app · by tmseo · Education

Flash: Mental Math Practice has 1,274 installs (+3.5% a month, measured over 40 days to 2026-11-04), \#101,860 of 320,573 in Education.

## Figures

- Installs: 1,274
- Rating: unrated
- Price: Free
- In-app purchases: yes
- 7-day growth in installs: +10 (+0.8%) (+21 over 14.9 days)
- 30-day growth in installs: +43 (+3.5%)
- Rank: #951,283 of 2,948,102 Android listings with an install count (down 40,145 since 2026-11-01)
- Rank: #101,860 of 320,573 in Education

## Is Flash: Mental Math Practice safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

- Listed on Google Play.
- Made by tmseo; developer website listed: tmseodeveloper.blogspot.com.
- On Google Play since 2022-12-04. Last updated 2026-10-05.

## Description

Practice mental math by adding numbers as they flash on screen. Remember each number, work out the total and enter your answer. Flash lets you set the pace for quick addition practice or a longer mental arithmetic session.  
  
Choose your challenge  
• Numbers with 1–7 digits  
• 2–500 numbers per question  
• Display speed from 0.1 to 3 seconds  
• 1–999 questions or unlimited practice  
• Optional answer input and automatic progression  
  
Learn from each session  
Check your accuracy, response time, correct-answer streak and total practice time. Review the numbers in each question and try your mistakes again.  
  
Save your favorite settings  
Create presets for the digit count, speed and other settings you use often. Adjust the background, text color, sound and vibration feedback to suit your practice.  
  
Build a regular addition practice routine on your phone or tablet, one short session at a time.

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Source: https://storetally.com/android/io.tmseo.flash  
As of 2026-11-13, from the StoreTally census.