Scientific Calculator Plus 991
Store data observed · From public App Store data · How we score apps
- Education
- App Store
- United States
- 4.712,486 ratings
- Free download
- Updated
- Observed
Ratings
Observed12K4.7★ average
Chart position
Observed—Not on the top charts
90-day growth
—not enough history yet
Opportunity score
AI-derived7/100Weak · low confidence
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About Scientific Calculator Plus 991Observed
Scientific Calculator Plus 991 is an Education app by Tran Duy on the United States App Store. Released Apr 3, 2019; last updated Jun 25, 2026 (version 3.6.1). Scientific Calculator Plus 991 is free to download.
As of Oct 9, 2026, Scientific Calculator Plus 991 has a 4.7-star average rating from 12,486 ratings on the United States App Store. MRRBeam rates the success of Scientific Calculator Plus 991 49/100 (rising).
NCalc — Powerful Scientific Calculator, Graphing, and Converter NCalc combines a natural-display scientific calculator, advanced math tools, a full graphing module (as 83/84 calculator), a large formula library, and a comprehensive unit and currency converter—designed for students, engineers, and anyone who loves…
- Success score
- 49/100 Rising
- In Education
- Outside the top 100
- Chart position
- Not on the top charts
- Developer
- Tran Duy
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Scientific Calculator Plus 991: common questions
- What is Scientific Calculator Plus 991?
- Scientific Calculator Plus 991 is an Education app developed by Tran Duy, available on the App Store. It was first released on Apr 3, 2019.
- How is Scientific Calculator Plus 991 rated?
- Scientific Calculator Plus 991 has a 4.7-star average rating from 12,486 ratings on the United States App Store as of Oct 9, 2026.
- How much does Scientific Calculator Plus 991 cost?
- Scientific Calculator Plus 991 is free to download.
- Is Scientific Calculator Plus 991 successful?
- MRRBeam rates the success of Scientific Calculator Plus 991 49/100 (rising). The success score combines rating volume, chart position and average rating.
- When was Scientific Calculator Plus 991 last updated?
- Scientific Calculator Plus 991 was last updated on Jun 25, 2026 (version 3.6.1).
- What are alternatives to Scientific Calculator Plus 991?
- Similar Education apps tracked by MRRBeam include Duolingo: Language Lessons, Gauth: AI Study Companion, Learna: Speak & Learn English, Canvas by Instructure and ClassDojo.
- Is there room to build a competitor to Scientific Calculator Plus 991?
- MRRBeam's opportunity score for Scientific Calculator Plus 991 is 7/100. Limited opening: an older app, weak discovery signals and a strong 4.7★ rating.