Evgeny Rubin
Known for
Speed Math - Human Calculator
Speed Math - Human Calculator1app4.6(28)Education
Snapshot
Rivals analysis in progress
Portfolio
Free 11
app
Education1
Last updated
Speed Math - Human Calculator
v1.1.3
5.6y ago
Publisher DNA
What defines Evgeny Rubin?
AI intelligence is not yet available for Evgeny Rubin. The portfolio data below is up to date.
Portfolio
What does Evgeny Rubin ship?
Apps
1 app analysed
Tracking the time taken for each equation provides a clear metric for measuring personal improvement
- The simple interface allows users to practice mental math without getting distracted by unnecessary features
- The calculator keyboard layout is inverted compared to standard devices, causing confusion during rapid input
Single-market publisher, every app ships only to United States.
Based on 1 of 1 app with localized market data · last scanned .
Americas (1)
- United States1 / 1
Core markets (1/1 apps)
United States
User Sentiment
How do users feel about their apps?
1
Positive apps
0
Neutral / mixed
0
Negative apps
80/100
Avg sentiment score
Frequently asked questions
How many apps does Evgeny Rubin publish?
Evgeny Rubin has 1 app tracked by Marlvel, primarily in the Education category.
What kind of apps does Evgeny Rubin make?
Evgeny Rubin's portfolio is concentrated in Education, with an average rating of 4.6/5 across rated apps.
What is Evgeny Rubin's top app?
By review volume across the portfolio, Speed Math - Human Calculator is Evgeny Rubin's best-known app tracked by Marlvel.
In how many countries are Evgeny Rubin's apps available?
Marlvel has tracked Evgeny Rubin's apps across 1 country.