Tran Duy
For students, engineering professionals, and mathematics enthusiasts who require high-precision calculation and graphing capabilities.
NCalc Scientific Calculator +Snapshot
Who is Tran Duy?
Providing students and engineers with high-precision, hardware-equivalent mathematical tools for complex computation.
Target audience
Portfolio
Free 2Last updated
NCalc Scientific Calculator +
v3.5.6
6mo ago
Publisher DNA
What defines Tran Duy?
Publisher DNA
Primary focus
Educational utility and scientific calculation tools
Scale
indie
Target audience
Students, engineering professionals, and mathematics enthusiasts who require high-precision calculation and graphing capabilities.
Signature Patterns
- •Replication of physical calculator interfaces and keyboard layouts
- •Focus on high-precision mathematical and graphing engines
- •Monetization via free-to-use model
- •Targeting academic and engineering workflows
Portfolio momentum
Released 7 updates across 2 apps in the last 6 months, indicating consistent maintenance and feature refinement.
Portfolio
What does Tran Duy ship?
Apps
2 apps analysed
One-time purchase model provides clear value
- The graphing calculator functionality provides a reliable and cost-effective alternative to expensive physical hardware for students
- The introduction of intrusive loading screens and full-screen advertisements disrupts the utility of the calculator
Distributed across 20 markets, strongest in Europe.
Based on 1 of 2 apps with localized market data, more coverage rolling in as scans complete · last scanned .
Americas (4)
- Brazil1 / 1
- Canada1 / 1
- Mexico1 / 1
- United States1 / 1
Europe (9)
- France1 / 1
- Germany1 / 1
- Italy1 / 1
- Netherlands1 / 1
- Portugal1 / 1
›+4 more europe markets
- Spain1 / 1
- Sweden1 / 1
- Turkey1 / 1
- United Kingdom1 / 1
Asia-Pacific (7)
- Australia1 / 1
- India1 / 1
- Indonesia1 / 1
- Japan1 / 1
- Singapore1 / 1
›+2 more asia-pacific markets
- South Korea1 / 1
- Vietnam1 / 1
Core markets (1/1 apps)
User Sentiment
How do users feel about their apps?
1
Positive apps
0
Neutral / mixed
0
Negative apps
75/100
Avg sentiment score
Rivals
Who does Tran Duy compete with?
The rivals identified
Nemeses(1)
This app competes directly for the student demographic by offering specialized, single-purpose math solving tools that frequently appear in the same search queries as general graphing calculators.
Contenders(2)
This app targets the foundational math education market, competing for the attention of students who require step-by-step guidance rather than just raw calculation.
This app competes by offering a broader library of geometric shapes and parameters, appealing to users who need a dedicated geometry reference tool.
Same space(4)
This app serves a specific niche within the education category, competing for users who need specialized conversion tools for their math studies.
It competes for the same educational market share by offering AI-driven solutions that provide a more modern alternative to traditional calculator interfaces.
While gamified, it occupies the same 'Education' category and targets the same K-12 student audience looking for math support.
It competes for the same student demographic by using math-based gameplay to teach arithmetic, positioning itself as a fun alternative to standard calculators.
New entrants(2)
It enters the market as a direct competitor to the target's utility-based offerings, focusing on geometric calculation and history tracking.
This newcomer targets the same student audience by focusing on the practical, administrative side of academic success.
The Analyst's Read
The bottom line on Tran Duy
Bottom line
This publisher maintains a focused, high-utility portfolio that successfully bridges the gap between physical classroom hardware and mobile software. Their consistent update cadence and adherence to established mathematical interface standards suggest a stable, utility-driven product strategy.
Frequently asked questions
How many apps does Tran Duy publish?
What kind of apps does Tran Duy make?
What is Tran Duy's top app?
In how many countries are Tran Duy's apps available?
What fed this analysis
- Apps analyzed:
- 2
- With full intel:
- 0
- With overview:
- 2
- Website scraped:
- yes
- Social presence:
- yes