Report updated May 20, 2026
Calculator - iPad Version
For general users requiring a multi-purpose calculation and conversion tool for daily tasks, finance, and health tracking.
Calculator - iPad Version is an established utilities app that is completely free. With a 4.3/5 rating from 367.1K reviews, it shows polarized user reception. Users particularly appreciate lightweight design and fast calculation speed provide a superior experience compared to built-in alternatives, though persistent ui rendering issues in dark mode make calculated numbers difficult to read on certain devices remains a common concern.
What is Calculator - iPad Version?
Calculator - iPad Version is a multi-purpose utility app for Android providing basic, scientific, and financial calculation tools.
Users hire this app to consolidate multiple conversion and calculation tasks into one interface, reducing the need for separate specialized tools.
Current Momentum
v1.2 · 38mo ago
ZombieThe app has been silent for over 38 months, with the last release occurring in March 2023.
What makes this app unique?
What Does It Look Like?
Loading...
What Are The Key Features?
Integrated basic, scientific, mortgage, GST, BMI, discount, and date calculators in one interface
Conversion tools for length, area, volume, speed, time, and mass
Real-time exchange rate updates for global currency calculations
Keypad input without touch sounds, designed for quiet environments like libraries
How much does it cost?
- Free with no stated IAP or subscription
The app is distributed as a free utility with no observable monetization gates or ad-insertion logic in the provided data.
Who Built It?
hirokazu murabe
Providing utility-focused mobile tools for file management, productivity, and daily organization. Streamlining digital tasks for iPad and mobile users.
Portfolio
13
Apps
What other apps does hirokazu murabe make?
CallBell - Pager for Home Shop
PopRush ペットモード付
PhotoFix - 写真から不要なものを削除・修復
文字起こし翻訳
安心ブラウザ - 有害サイトをブロック
PhotoMotion: Stop Motion Maker
Explore the full hirokazu murabe report
Portfolio breakdown, audience, momentum, and every app published by hirokazu murabe.
What do users think recently?
Medium confidence · 50 reviews analyzed · Based on 50 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 lightweight design and fast calculation speed provide a superior experience compared to built-in alternatives, but report persistent ui rendering issues in dark mode make calculated numbers difficult to read on certain devices and calculation errors and cursor jumping during long input sequences frustrate users performing complex addition.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
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 - iPad Version?
How's The Utilities Market?
Market outlook for this category
Available very soon
The rivals identified
Nemeses(1)
This app is a direct functional rival that specifically targets the iPad form factor, competing for the same utility-focused user base that requires advanced scientific and visual calculation tools.
Contenders(4)
This contender positions itself as a professional workflow tool, appealing to power users who require data management capabilities.
This app targets the minimalist segment of the market, offering a lightweight alternative to the target's feature-heavy approach.
A high-velocity newcomer that challenges the target through superior responsiveness and modern, smart-history features.
This app competes by offering a streamlined, high-precision experience specifically optimized for iPad multitasking.
Same space(3)
This app competes by offering a more flexible input method for complex mathematical and unit-based expressions.
This app targets the technical niche of the target's user base, focusing on specialized engineering requirements.
This app competes for the same productivity-focused audience by offering high-speed conversion tools and home screen accessibility.
Compare Calculator - iPad Version 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 - iPad Version
Strengths to defend, gaps to attack
Core Strengths
- Multi-function suite increases session frequency via high utility density
- Silent interface reduces friction in professional settings, driving organic acquisition
- Universal unit converter broadens utility scope beyond basic arithmetic
Critical Frictions
- No major updates since 2023, leading to technical debt
- Dark mode rendering bugs make numbers illegible on flagship devices
- Input instability during long sequences drives user frustration
Growth Levers
- Integration of memory functions to capture accounting-focused power users
- Expansion of regional currency support to improve international retention
Market Threats
- Impala Studios' 8-release cadence in six months outpaces current maintenance-mode development
- Native system utilities capture the zero-friction user segment by default
What are the next best moves?
Rebuild input logic because cursor jumping is a top complaint → reduce churn
Cursor jumping and calculation errors are cited as primary frustrations in user reviews.
Trade-off: Pause the currency converter update — input stability has a higher impact on daily retention.
Audit dark mode rendering because illegible text is a top complaint → improve rating baseline
Users report numbers are grayed out and illegible in dark mode, forcing app restarts.
Trade-off: Same-quarter capacity available — no major lever displaced.
A counter-intuitive read
The app's lack of monetization is its greatest risk: without revenue, the team cannot sustain the update cadence required to compete with Impala Studios' aggressive release cycle.
Feature Gaps vs Competitors
- High-frequency release cadence (available in Calculator₊ but absent here)
- System-level OS integration (available in Apple Calculator but absent here)
Key Takeaways
The app maintains a strong user base through utility density, but technical debt in the input engine and UI rendering threatens long-term retention, so the PM must prioritize stability fixes over new features to defend the current chart position.
Where Is It Heading?
Mixed Signals
The utility calculator market is consolidating around high-velocity developers who maintain parity with OS updates, leaving this app exposed. Without a shift from maintenance-mode to active development, the app will continue to lose ground to competitors that offer better stability and modern UI integration.
Technical stagnation since 2023 leads to unresolved UI bugs, which erodes the rating baseline on modern Android devices.
High-frequency updates from competitors like Impala Studios accelerate the obsolescence of the current feature set, increasing churn pressure.