By K2 Cashflow
Report updated Apr 16, 2026
10bii Financial Calculator
For financial professionals, real estate investors, and students who need a powerful, HP-modeled calculator that remains accessible for everyday personal finance planning.
10bii Financial Calculator is a well-regarded finance app that is a paid app. With a 4.6/5 rating from 1.5K reviews, it maintains solid user satisfaction. Users particularly appreciate functional parity with physical calculators, though technical bugs and crashes remains a common concern.
What is 10bii Financial Calculator?
Current Momentum
v4.13
Improved Dark Mode Support. Updated links to our website.
Active Nemesis
10bII Financial Calculator PRO
By Incpt.Mobis
Other Rivals
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Simplifies complex financial calculations into plain-language questions for non-experts
Automatically generates diagrams for TVM and uneven cash flow scenarios
In-app purchase unlocking advanced functions like bonds, depreciation, trig, and probability
Generates, prints, and saves PDF amortization schedules
Calculates standard deviation, mean, and linear regression with graphing capabilities
Spreadsheet-like interface for entering and managing uneven cash flows
How much does it cost?
- Base app: $5.99 - $7.99 (One-time)
- 10bii+ features: $3.99 (In-app purchase)
Uses a modular paid model that avoids subscription fatigue while upselling professional-grade features to power users.
Who Built It?
K2 Cashflow
Providing specialized financial tools and niche board game utilities for professionals and tabletop hobbyists.
Portfolio
6
Apps
Who is K2 Cashflow?
K2 Cashflow has established a defensible niche by digitizing specific physical tools, most notably the HP 10bII hardware calculator and companion utilities for popular board games. Their primary moat is the professional reliance on their flagship financial emulation, which maintains a top-10 ranking in the US Paid Finance category. The portfolio demonstrates a strategic focus on high-utility, paid tools that solve specific friction points for real estate professionals and tabletop gamers rather than broad consumer appeal.
Who is K2 Cashflow for?
- Real estate
- Finance professionals requiring mobile financial modeling
- Alongside tabletop gamers seeking to digitize manual game mechanics
Portfolio momentum
Maintains a steady cadence with 2 updates across 6 apps in the last 6 months, focusing development on the flagship financial tool.
What other apps does K2 Cashflow make?
What do users think recently?
High confidence · Latest 100 of 1.5K total reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate functional parity with physical calculators and professional utility, but report technical bugs and crashes and learning curve and ui frustration.
What Users Love
What Frustrates Users
What is the competitive landscape for 10bii Financial Calculator?
How's The Finance Market?
How does it evolve in the Finance market?
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇺🇸 US | Finance | iOSPaid | #1 | ▲3 |
| 🇸🇳 Senegal | Finance | AndroidPaid | #10 |
The rivals identified
The Nemesis
- -
MathDisp Mode
- -
Functions History Bar
Contenders
Financial Calculator Pro
0Jaydip Jethva
💀A professional-grade calculator known for its template-based approach to complex financial and real estate equations.
Peers
AI-Assisted Pump Selection
Mortgage Calculator Plus
★2.8 (10)AppRebel, Inc.
🔧The gold standard for visual amortization and mortgage math, overlapping with the 10bii's loan analysis features.
New Kids on the Block
FinCalc
★5.0 (1)Joao Frasco
⚡A modern, minimalist take on financial math that prioritizes UI/UX over the legacy hardware look.
Tally :)
★3.8 (5)Lemonskin
⚡A rising productivity tool that uses a document-style approach to calculations, appealing to users who find traditional keypads dated.
The outtake for 10bii Financial Calculator
Strengths to defend, gaps to attack
Core Strengths
- High-fidelity HP 10bII hardware emulation
- Unique visual financial tools (Cashflow Diagrams)
- Highly responsive developer support
- Easy Mode accessibility for non-pros
Critical Frictions
- Dated UI/UX compared to modern productivity apps
- Stability issues on latest Android OS versions
- Steep learning curve for users unfamiliar with financial math logic
Growth Levers
- Modernize UI with a 'Standard' vs 'Legacy' toggle
- Implement an onboarding wizard to reduce user configuration errors
- Expand Easy Mode to include modern finance topics like SaaS or Crypto
Market Threats
- Official HP-branded mobile applications
- Free comprehensive financial suites (e.g., EZ Financial)
- Modern document-style calculators (e.g., Tally) disrupting the keypad paradigm
Key Takeaways
10bii Financial Calculator is a well-regarded finance app that is a paid app. With a 4.6/5 rating from 1.5K reviews, it maintains solid user satisfaction. Users particularly appreciate functional parity with physical calculators, though technical bugs and crashes remains a common concern.
Where Is It Heading?
Mixed Signals
The app has transitioned to a paid model and expanded its feature set, resulting in a more positive overall sentiment despite emerging technical stability issues.