+4
Krueger Systems
For software developers, electronics engineers, and STEM students requiring high-performance mobile environments for coding and computation.
Known for
For software developers, electronics engineers, and STEM students requiring high-performance mobile environments for coding and computation.
Empowering technical professionals with real-time simulation, symbolic calculation, and mobile development environments.
Target audience
Portfolio
Free 1Last updated
Calca
v2.2.1
6mo ago
Primary focus
Technical utilities and developer tools
Scale
indie
Target audience
Software developers, electronics engineers, and STEM students requiring high-performance mobile environments for coding and computation.
The publisher maintained an active development cycle with 4 releases across their portfolio in the last 6 months, ensuring all core titles remain current.
7 apps analysed
Markdown integration creates a unique document-based workflow
Analysis in progress
iCircuit is a fun and educational way to design and experiment with circuits.
Single-market publisher — every app ships only to United States.
Based on 3 of 7 apps with localized market data — more coverage rolling in as scans complete · last scanned .
0
Positive apps
1
Neutral / mixed
0
Negative apps
65/100
Avg sentiment score
Soulver 3 is the direct functional equivalent to Calca, focusing on the 'calculator-as-a-notepad' paradigm that defines the target's core value proposition.
Strategic outlook coming soon.
What fed this analysis
A high-volume competitor that captures the student market through broad subject coverage and instant problem-solving capabilities.
Dominates the visual math space, serving as the primary alternative for users who need to visualize equations alongside their calculations.
A direct competitor in the symbolic math space, though it focuses more on step-by-step educational solving than Calca's scratchpad approach.
An adjacent productivity tool that excels in text-based automation and quick-capture workflows.
Competes with Calca's markdown-based note-taking utility, though it lacks the integrated symbolic calculation engine.
