Report updated May 6, 2026

Calculator· is an established utilities app that is available. With a 4.4/5 rating from 798.9K reviews, it shows polarized user reception. Users particularly appreciate simple and accurate calculation interface provides reliable utility for everyday household budget management tasks, though post-update ui regressions remove critical features like real-time sum display and quick answer feedback remains a common concern.

What is Calculator·?

Calculator· is a utility app providing basic arithmetic and advanced math functions across iOS and Android.

Users hire the app for low-friction, everyday calculation tasks that avoid the complexity of feature-heavy alternatives.

Current Momentum

v9.1 (886477075) · 1mo ago

Maintenance
  • Implemented bug fixes in latest release.
  • Maintains subscription-based premium access model.

Active Nemesis

Calculator₊

Calculator₊

By Impala Studios

Other Rivals

Calculator!
Calculator
Photomath
Desmos Graphing Calculator
Calculator Air: AI Math Solver

7-Day Rank Pulse 🇺🇸

Utilities

No ranking data

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Basic ArithmeticBasic

Addition, subtraction, multiplication, division, and percentage calculations.

iPad Split ViewDifferentiator

Allows concurrent app usage on iPad.

Advanced Math FunctionsStandard

Square, square root, and inverse functions.

How much does it cost?

Subscription
  • Free tier
  • Premium Access (1-month or 1-year)

Monetization relies on a subscription model for premium features, with a trial period to lower the barrier to entry.

What do users think recently?

High confidence · 99 reviews analyzed · Based on 99 reviews. Signal may be noisy.

How did the latest release land?

Overall
4.4/ 5
(798.9K)
Current version
4.9/ 5
+0.5 vs overall
(34.1K)
Main signal post-update: simple and accurate calculation interface provides reliable utility for everyday household budget management tasks.

What is the recent mood?

Mixed

Recent user voice shows a mixed sentiment. Users appreciate simple and accurate calculation interface provides reliable utility for everyday household budget management tasks, but report post-update ui regressions remove critical features like real-time sum display and quick answer feedback.

What Users Love

Simple and accurate calculation interface provides reliable utility for everyday household budget management tasks

What Frustrates Users

Post-update UI regressions remove critical features like real-time sum display and quick answer feedback

What Users Want

Integration of advanced conversion tools like currency and unit converters for standard calculator functionality

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

What is the competitive landscape for Calculator·?

How's The Utilities Market?

Market outlook for this category

Available very soon

The rivals identified

Nemeses(1)

Calculator₊ icon
Calculator₊moat: high

Impala Studios

4.7(1.7M)

With over 1.7 million ratings and a high-velocity release cadence of 9 updates in six months, this app dominates the utility calculator space.

Differentiators

  • Maintains a high-frequency update cycle that consistently outpaces the target app's development velocity.
  • Offers a mature, feature-rich interface that has been refined through over a decade of user feedback.
  • Leverages a massive install base to maintain top-tier visibility in the Utilities category.

Head to head

The target app must double down on its 'no-frills' value proposition to differentiate from the feature-heavy, high-velocity dominance of Impala Studios.

Contenders(2)

Calculator icon
Calculatormoat: high

Apple

4.4(762.2K)

The native system utility represents the ultimate baseline competitor for any standalone calculator app.

Differentiators

  • Pre-installed system integration provides an insurmountable distribution advantage over any third-party utility.
  • Deep OS-level integration allows for features like Control Center access and system-wide search that third-party apps cannot replicate.
Calculator! icon
Calculator!moat: medium

7th Gear

4.4(764.8K)

A direct utility competitor with a massive user base and established presence in the same category.

Differentiators

  • Provides a standardized calculator experience that competes directly for the default utility slot on user devices.
  • Benefits from long-term brand recognition within the Utilities category, creating a high barrier to entry.

Same space(2)

Serves the advanced math segment of the calculator market, providing a specialized alternative to basic utilities.

Differentiators

  • Offers powerful graphing and visualization tools that cater to students and professionals beyond basic arithmetic needs.
  • Positions itself as a professional-grade educational tool rather than a simple, everyday utility.
Photomath icon
Photomathmoat: high

Google

4.3(3.1M)

While categorized under Education, its core utility as a math solver overlaps with the target's audience.

Differentiators

  • Utilizes advanced computer vision to solve complex equations, shifting the value proposition from manual input to automated capture.
  • Backed by Google's infrastructure, providing superior accuracy and pedagogical support that simple calculators lack.

New entrants(1)

Calculator Air: AI Math Solver icon

Air Apps Systems

4.7(82.2K)

Shows high development velocity with 5 releases in the last six months, signaling an aggressive push into the AI-utility space.

Differentiators

  • Integrates AI-driven math solving capabilities to modernize the traditional calculator experience for a younger, tech-forward demographic.
  • Rapidly iterating on feature sets to capture market share from legacy utilities that lack modern AI integration.

Compare 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.

Go deeper

The outtake for Calculator·

Strengths to defend, gaps to attack

Core Strengths

  • Clean interface avoids feature bloat
  • Apple Watch support increases engagement frequency

Critical Frictions

  • Post-update UI regressions remove running total
  • Technical instability causes crashes during use
  • Aggressive monetization for basic features

Growth Levers

  • Integration of currency and unit converters

Market Threats

  • High-velocity update cadence of Calculator₊
  • Native system integration of Apple Calculator

What are the next best moves?

highPivot

Restore running total feature because it is the top-cited productivity loss → stabilize user sentiment

User complaints regarding the removal of the running total are the #1 frustration theme.

Trade-off: Pause the color-scheme expansion sprint — functionality restoration is critical for retention.

highInvest

Audit calculation logic because users report incorrect results for trigonometric functions → restore trust

Reports of incorrect mathematical outputs directly undermine the app's core utility value.

Trade-off: Delay the unit converter feature development — accuracy is the baseline requirement.

A counter-intuitive read

The app's simplicity is its primary vulnerability, as it leaves no room for error, making the recent technical regressions significantly more damaging than they would be for feature-heavy rivals.

Feature Gaps vs Competitors

  • Currency conversion (available in Calculator₊ but missing here)
  • Unit conversion (available in Calculator₊ but missing here)

Key Takeaways

The app succeeds as a simple utility, but recent UI regressions and calculation errors threaten its core value, so the PM must prioritize stability over new features to prevent churn.

Where Is It Heading?

Declining

The utility calculator market is consolidating around high-velocity competitors that offer both simplicity and feature parity. Calculator· is currently exposed due to its recent technical regressions, so the PM must pivot to stability to avoid losing the user base to more reliable alternatives.

UI regressions in the latest update remove critical productivity features, which compounds the rating drag already visible on Android.

Technical errors in basic math functions erode user trust, accelerating churn pressure toward more reliable stock calculator alternatives.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Calculator·, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app transitioned to a subscription-based model and experienced a decline in user sentiment due to technical regressions and feature removals in the latest update.

shifted

Subscription Model Adoption

declined

Emergence of Critical Complaints

removed

Loss of Productivity Features

added

New Weaknesses and Threats

Cite this report

Marlvel.ai. “Calculator· Intelligence Report.” Updated May 6, 2026. https://marlvel.ai/apps/calculator

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