Comparison

Sofia Kovalevskaya vs Modal Math

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

Head to head
About

Sofia Kovalevskaya

Features
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With this app students learn about the life and contributions to mathematics and physics made by Sofia Kovalevskaya. It discusses her major mathematical discoveries including her work related to partial differential equations. Sofia Kovalevskaya was born in Moscow in 1850. Her family lived well. Sofia's father was a general in the Russian army. The family valued education and provided tutors for Sofia when she was a young girl. At this time Moscow was the capital of the Russian and not unlike other major cities in Europe, it was dealing with forces of change. At this time girls were not able to get a higher education. But Sofia persisted and eventually she was able to get a degree in mathematics and was awarded a doctorate. Sofia studied advanced mathematics, in particular, partial differential equations. She also studied physics and especially the role of mathematics in physics. Eventually Sofia started working at the University of Stockholm in Sweden. Sofia had many challenges to overcome. She was denied opportunities because she was a woman, but in the end she was able to make huge contributions to the field of mathematics and physics. Using this app students learn about her amazing life. It includes introductory information about advanced mathematics. We hope that this app will inspire students to pursue careers in mathematics. Students will enjoy using this graphically illustrated, interactive learning tool. The timeline feature presents key events in Sofia Kovalevskaya's interesting career. By tapping on timeline points brings up descriptions of historically significant events and the role that Sofia Kovalevskaya played. A quiz function helps students demonstrate their comprehension of the reading material. Key math concepts are shown in colorful illustrations. We hope this app will inspire students to study mathematics. The app shows that Sofia Kovalevskaya certainly deserves the place she has earned in the history of mathematics.

About

Modal Math

This app provides accessible math practice designed by teachers for students with special language needs. It focuses on fostering conceptual understanding and reinforcing mathematical language for diverse learners.

Highlights
  • Designed by teachers
  • Accessible for special language needs
  • Fosters conceptual understanding
  • Reinforces mathematical language
  • Supports diverse learning needs
Features
Read full description

Learn from anywhere in the Modal Math app! Created by real teachers for real students. At Modal Math, we believe that math learning should to be accessible for learners with special language needs. We aim to create a tool that is makes math learning accessible and meaningful to all. The goal is to foster conceptual understanding of mathematics while establishing and reinforcing language for students with diverse learning needs and ability levels. Our dream is to provide access to learning forstudents in accordance with their needs. Until we do this, we can never know what a student is capable of. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Modal Math4 screens

Verdict

The call

The clearest difference is price: Modal Math at Free against Sofia Kovalevskaya's $1.99. Modal Math also leads on update cadence (every 5 weeks vs every 26 months). Sofia Kovalevskaya's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement 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

Modal Math is free to download; Sofia Kovalevskaya costs $1.99 up front. Modal Math sells 2 in-app purchases, starting at $24.99 per month. Sofia Kovalevskaya asks for nothing beyond the download.

UpkeepUpdate frequency

Sofia Kovalevskaya ships an update every 26 months, Modal Math every 5 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
Sofia Kovalevskaya versus Modal Math: the parameters behind the verdict, then further details
ParameterSofia KovalevskayaModal Math
Price$1.99Free — better
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 26 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPad, Mac, Apple TViPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size30 MB75 MB
Age rating4+4+
DeveloperVentura Educational SystemsAsledu LLC

In-app purchases

None

Sofia Kovalevskaya

No in-app purchases

2 purchases

Modal Math

Subscriptions1
  • Classroom Membership$24.991 Month
One-time1
  • DHH Teacher Resources$6.99

Questions

Is Sofia Kovalevskaya free?
Sofia Kovalevskaya costs $1.99, with no in-app purchases.
Is Modal Math free?
Modal Math is free to download, with in-app purchases available.
Do Sofia Kovalevskaya or Modal Math have ads?
Neither Sofia Kovalevskaya nor Modal Math shows ads.
Which is updated more often, Sofia Kovalevskaya or Modal Math?
Sofia Kovalevskaya ships an update every 26 months, and Modal Math every 5 weeks. Most recently, Sofia Kovalevskaya was updated on October 20, 2026 and Modal Math on October 24, 2026.

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