Report updated May 6, 2026
Calculator - Pad Edition
For iPad and Android users requiring a comprehensive, multi-functional calculator for scientific, programming, and conversion tasks.
Calculator - Pad Edition is an established utilities app that is free with in-app purchases. With a 4.5/5 rating from 1.1M reviews, it shows polarized user reception. Users particularly appreciate simple and accurate calculation logic provides reliable utility for everyday math tasks, though post-update ui changes remove essential quick-answer displays and increase button size remains a common concern.
What is Calculator - Pad Edition?
Calculator - Pad Edition is a multi-functional math utility for iPad and Android users, providing scientific, programmer, and conversion tools in a flat-design interface.
Users hire this app to consolidate multiple math workflows into a single interface, replacing the need for separate unit, fraction, and scientific calculators.
Current Momentum
v9.1 (886477075) · 1mo ago
Maintenance- Added world currency exchange rates.
- Introduced Programmer Calculator bit editor.
- Optimized UI for latest iPadOS.
Active Nemesis
Calculator₊
By Impala Studios
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Switches between basic portrait and scientific landscape modes.
Supports multi-base math with a built-in bit editor.
Converts 20+ categories with daily updated exchange rates.
How much does it cost?
- Free version with ad support
- Full version via in-app purchase
Freemium model utilizing ad-supported free tier with in-app purchase to unlock full functionality and remove ads.
Who Built It?
Ratha Sou
Providing utility and reference tools for mobile users. Focused on delivering accessible, single-purpose applications for daily productivity and learning.
Portfolio
13
Apps
What other apps does Ratha Sou make?
SP Camera
The U.S. Presidents
The Photos Booth
The World Flags *
Mirror Magnify
eCalculator - Enhanced Edition
Explore the full Ratha Sou report
Portfolio breakdown, audience, momentum, and every app published by Ratha Sou.
What do users think recently?
High confidence · 99 reviews analyzed · Based on 99 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate simple and accurate calculation logic provides reliable utility for everyday math tasks, but report post-update ui changes remove essential quick-answer displays and increase button size.
What Users Love
What Frustrates Users
What Users Want
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 Calculator - Pad Edition?
Where is it available?
Localized markets (12)
How's The Utilities Market?
Market outlook for this category
Available very soon
The rivals identified
Nemeses(1)
With over 1.7 million ratings and a high-velocity release cadence of 9 updates in six months, this app dominates the iPad utility space.
Differentiators
- Maintains a massive, long-standing user base that creates a significant barrier to entry for new competitors.
- High-frequency update cycle ensures consistent compatibility with the latest iOS versions and hardware features.
- Established brand presence in the App Store search results for iPad-specific calculator utilities.
Head to head
The target app must lean into its 'simplicity' value proposition to differentiate from this feature-heavy incumbent, as direct feature competition is currently a losing battle.
Contenders(1)
A direct functional alternative that shares a similar scale of user adoption and category focus.
Differentiators
- Provides a stable, legacy-focused calculator experience that prioritizes core functionality over frequent UI experimentation.
- Maintains a large, consistent user base that relies on its predictable, no-nonsense interface design.
Same space(3)
A specialized utility peer that addresses a specific mathematical pain point not covered by general calculators.
Differentiators
- Provides specialized logic for fraction-based calculations, serving a specific educational and professional niche.
- Monetizes through a premium positioning that targets users requiring high-precision, specialized math tools.
A niche utility peer that focuses on a distinct, minimalist approach to mathematical input.
Differentiators
- Prioritizes a unique, gesture-based input method that differentiates it from standard button-grid calculator interfaces.
- Targets power users who prefer a streamlined, keyboard-centric workflow over traditional visual calculator layouts.
Occupies the same Utilities category and serves the same audience looking for quick, functional math-based tools.
Differentiators
- Expands utility beyond basic calculation into specialized unit conversion, capturing a broader segment of the productivity market.
- Focuses on multi-functional utility rather than the singular, dedicated calculator experience of the target app.
New entrants(1)
Leverages massive distribution and AI-driven innovation to redefine how users interact with mathematical problems.
Differentiators
- Utilizes computer vision to solve equations instantly, shifting the user experience from manual input to camera-based capture.
- Integrates deep educational support, providing step-by-step explanations that transform a simple calculator into a learning tool.
Compare Calculator - Pad Edition 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 Calculator - Pad Edition
Strengths to defend, gaps to attack
Core Strengths
- Multi-functional utility suite increases daily active usage
- Cross-platform availability maintains consistent user workflows
Critical Frictions
- Intrusive ad placement degrades professional utility
- UI scaling changes removed real-time sum visibility
Growth Levers
- B2B education partnerships for fraction calculator
- Integration of wearable-specific math interfaces
Market Threats
- AI-driven camera capture tools like Photomath
- Aggressive update cadence from incumbent rivals
What are the next best moves?
Revert UI scaling changes because user complaints cite loss of real-time sum visibility → restore daily active habit
Top complaint theme in sentiment analysis is the removal of real-time sum displays.
Trade-off: Pause the planned currency-converter UI refresh — stability is the higher retention priority.
Audit ad placement frequency because users cite distraction during focused tasks → reduce churn
Sentiment data shows ads are a primary distraction for professional users.
Trade-off: No major lever displaced — capacity available within existing ad-ops sprint.
A counter-intuitive read
The app's biggest risk is not the lack of AI features, but the maintenance-mode UI scaling that alienates the power users who actually drive the ad-impression volume.
Feature Gaps vs Competitors
- Camera-based math solving (available in Photomath but absent here)
Key Takeaways
The app maintains a strong utility base but risks churn through intrusive ads and UI regressions, so the PM must prioritize stability and professional-grade UX to defend against AI-driven rivals.
Where Is It Heading?
Declining
The math utility market is consolidating around AI-driven capture tools, leaving manual-input calculators like this one exposed to churn. Unless the team addresses the current UI regressions, the app will lose its core professional user base to more stable, feature-rich incumbents.
Recent UI regressions (failing real-time sum displays) erode the daily active habit, which compounds the rating drag already visible on Android.
The latest release focused on UI scaling rather than feature expansion, signaling a potential shift toward maintenance-mode development.