Report updated Apr 18, 2026
12Calc
For financial professionals and students requiring a high-accuracy, mobile-optimized version of the HP12C calculator.
Overview · Full Intel report in progress
12Calc is an established finance app that is a paid app. With a 4.9/5 rating from 900 reviews, it shows polarized user reception.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Includes 15 interactive modules for tasks such as TVM, loan amortization, cash flow analysis, and Black-Scholes calculations.
Maintains a record of calculations that users can review, print, or share via email and text.
Supports conversion between common units and currencies, with the ability to download live exchange rates.
Engineered for 64-bit iOS environments to provide instantaneous results for complex depreciation and interest schedules.
How much does it cost?
Who Built It?
Ernest Brock
Providing professionals and students with high-fidelity digital emulations of industry-standard financial and graphing calculators.
Portfolio
4
Apps
What other apps does Ernest Brock make?
Explore the full Ernest Brock report
Portfolio breakdown, audience, momentum, and every app published by Ernest Brock.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for 12Calc?
How's The Finance Market?
How does it evolve in the Finance market?
Rank progression
8 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for 12Calc
Key Takeaways
This app provides a high-speed, feature-rich digital emulation of the HP12C calculator for professional financial modeling.
Where Is It Heading?
Trend analysis
Available very soon