Report updated May 22, 2026
Simple Calculator
For professionals, retailers, and students requiring a reliable, distraction-free tool for daily math and business margin calculations.
Simple Calculator is an established tools app that is completely free. With a 4.6/5 rating from 1.5K reviews, it shows polarized user reception.
What is Simple Calculator?
Simple Calculator is a privacy-focused utility app for iOS and Android that provides scientific and business-oriented math tools.
Users hire this app for distraction-free, permission-minimal calculation that avoids the data-harvesting practices of larger, ad-heavy utility suites.
Current Momentum
v2.0 · 4mo ago
Maintenance- Updated iOS build in Jan 2026.
- Updated Android build in Jan 2026.
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Calculates cost, sell, and margin figures with percentage support
Provides advanced mathematical functions beyond basic arithmetic
Offers Dark, Light, Amoled, and Material You visual modes
Logs previous inputs and results for reference
Operates without unnecessary device permissions
How much does it cost?
- Free with ad support
Ad-supported model with no IAP or subscription gates, monetizing via volume of ad impressions.
Who Built It?
FlagAppCompany
Providing specialized utility and productivity tools optimized for living room hardware and wearable devices. They bridge the gap between mobile functionality and the unique constraints of Android TV and Wear OS interfaces.
Portfolio
13
Apps
What other apps does FlagAppCompany make?
Explore the full FlagAppCompany report
Portfolio breakdown, audience, momentum, and every app published by FlagAppCompany.
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.
What is the competitive landscape for Simple Calculator?
Where is it available?
Localized markets (12)
How's The Tools Market?
Market outlook for this category
Available very soon
The rivals identified
Nemeses(1)
This app dominates the iPad utility space with a massive install base, directly competing for users seeking a high-precision, feature-rich alternative to the stock calculator.
Contenders(4)
This app captures a niche vertical within the utility category, competing for users who require specialized physics-based calculations.
A high-velocity newcomer that challenges the target through rapid release cycles and a focus on live, real-time calculation feedback.
This contender targets the professional segment by emphasizing hardware integration and advanced data management features.
This app competes by offering a high-precision, multitasking-ready interface specifically optimized for iPad users.
Same space(3)
This app bridges the gap between general calculation and unit conversion, competing for the same multi-functional utility user.
Differentiators
- Integrates scientific prefix modes directly into the conversion workflow for technical users.
- Offers a more comprehensive conversion history log that persists across different unit types.
This app serves as a functional alternative for users needing specific, high-frequency conversion tasks within the utility category.
Differentiators
- Displays conversion formulas in real-time, providing educational value alongside the calculated result.
- Optimized numeric keypad interface designed specifically for rapid, single-handed temperature conversions.
This app competes for the same productivity-focused audience by offering extensive unit conversion capabilities.
Differentiators
- Supports complex expression input, allowing users to perform math directly within the conversion fields.
- Features a massive, user-defined unit library that caters to highly specific professional or industrial needs.
Compare Simple Calculator against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Simple Calculator
Strengths to defend, gaps to attack
Core Strengths
- Permission-free architecture
- Multi-theme support
Critical Frictions
- No graphing capabilities
- Ad-only monetization
Growth Levers
- Education-focused B2B partnerships
- Wearable integration
Market Threats
- Feature-rich academic calculators
- Ad-revenue compression
What are the next best moves?
Ship graphing capabilities because Calculator + captures academic users via this feature → reduce migration risk
Calculator + is the primary nemesis and its graphing tool is a key differentiator.
Trade-off: Pause the UI theme expansion sprint — graphing has higher impact on user retention.
Audit ad-placement frequency because current volume-based model limits revenue → increase LTV
The current ad-only model lacks a paid-tier gate, limiting revenue per user.
Trade-off: Same-quarter capacity available — no major lever displaced.
A counter-intuitive read
The app's lack of permissions is not just a feature but a B2B distribution moat that allows it to bypass enterprise and school-device security blocks that disqualify more complex rivals.
Feature Gaps vs Competitors
- Graphing capabilities (available in Calculator +)
- Polynomial equation solvers (available in Calculator +)
- Multi-tape history management (available in Calculator Pro Elite)
Key Takeaways
Simple Calculator holds its category position through a privacy-first design, but the lack of advanced graphing tools limits its growth among students, so the PM should prioritize graphing features to defend against academic-focused rivals.
Where Is It Heading?
Stable
The utility market is consolidating around apps that bridge the gap between simple arithmetic and academic research. Simple Calculator remains stable but exposed, as the lack of advanced features forces power users to seek more capable alternatives.
Consistent update cadence across both platforms in early 2026 indicates active maintenance rather than abandonment.
The absence of advanced mathematical tools like graphing creates a widening gap that threatens long-term retention of student segments.