Report updated May 6, 2026

Calculator is an established utilities app that is completely free. With a 4.4/5 rating from 764.8K reviews, it shows polarized user reception. Users particularly appreciate reliable and accurate calculation performance for everyday tasks keeps users satisfied with the core utility, though recent design changes remove critical efficiency features like real-time sum display and quick answer feedback remains a common concern.

What is Calculator?

Calculator is a free utility app for Android providing basic and scientific mathematical functions.

Users hire this app for quick, reliable daily calculations without the friction of complex interfaces or ad-supported inventory.

Current Momentum

v9.1 (886477075) · 1mo ago

Maintenance
  • Updated to Material 3 Expressive design
  • General bug fixes

Active Nemesis

Calculator₊

Calculator₊

By Impala Studios

Other Rivals

Calculator!
Calculator
Desmos Graphing Calculator
Photomath
Time Unit Converter Pro
Calculator‰

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?

Scientific OperationsStandard

Trigonometric, logarithmic, and exponential function support for advanced mathematical tasks

Quick ShareDifferentiator

Direct export of calculation history and results to external contacts

Homescreen WidgetStandard

Persistent calculator interface on the device home screen for immediate access

How much does it cost?

Free
  • Free utility with no IAP or ad-supported inventory

The app operates as a free utility with no monetization gates or ad-supported revenue streams.

What do users think recently?

High confidence · 51 reviews analyzed · Based on 51 reviews. Signal may be noisy.

How did the latest release land?

Overall
4.4/ 5
(764.8K)
Current version
4.0/ 5
-0.4 vs overall
(4)
Main signal post-update: recent design changes remove critical efficiency features like real-time sum display and quick answer feedback.

What is the recent mood?

Mixed

Recent user voice shows a mixed sentiment. Users appreciate reliable and accurate calculation performance for everyday tasks keeps users satisfied with the core utility, but report recent design changes remove critical efficiency features like real-time sum display and quick answer feedback.

What Users Love

Reliable and accurate calculation performance for everyday tasks keeps users satisfied with the core utility

What Frustrates Users

Recent design changes remove critical efficiency features like real-time sum display and quick answer feedback

What Users Want

Integration of advanced conversion tools like currency and unit converters to match stock calculator capabilities

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)

This is the dominant market leader in the general-purpose calculator niche with a massive, highly active user base and frequent update cadence.

Differentiators

  • Maintains a high-velocity release schedule with 9 updates in the last six months alone
  • Established brand presence in the utilities category creates a significant barrier to entry for newcomers
  • Optimized for both iPhone and iPad form factors, capturing a broader cross-device user segment

Head to head

The target app must pivot toward a 'pro-utility' niche or superior UX design to differentiate from this incumbent's scale and update velocity.

Contenders(2)

Calculator icon
Calculatormoat: high

Apple

4.4(762.2K)

The default system utility that sets the baseline expectation for all calculator apps on the platform.

Differentiators

  • Deep system integration allows for immediate access via Control Center and system-wide search functionality
  • Zero-friction installation as a pre-installed utility makes it the default choice for most users
Calculator! icon
Calculator!moat: medium

7th Gear

4.4(764.8K)

A direct functional competitor in the utilities space with a massive, established install base.

Differentiators

  • Provides a stable, long-term utility experience that prioritizes consistency over frequent UI experimentation
  • Serves as a reliable alternative for users seeking a standard calculator without additional complex features

Same space(3)

Time Unit Converter Pro icon

Gustav Gutsche

4.7(15.8K)

A specialized utility that overlaps with the target's category but focuses on specific conversion tasks.

Differentiators

  • Provides highly granular unit conversion logic that general calculators lack in their standard toolsets
  • Targets a specific power-user segment requiring precise time-based calculations for professional workflows
Photomath icon
Photomathmoat: high

Google

4.3(3.1M)

An education-focused utility that utilizes computer vision to solve complex mathematical problems instantly.

Differentiators

  • Leverages advanced OCR and AI to solve handwritten equations, moving beyond simple manual input
  • Backed by Google's infrastructure, providing superior accuracy and long-term development stability

An adjacent utility focused on the education sector, offering advanced mathematical visualization capabilities.

Differentiators

  • Specialized graphing engine provides visual utility that standard calculators cannot replicate for students
  • Strong academic positioning creates a defensible moat within the education and STEM learning market

New entrants(1)

Calculator‰ icon
Calculator‰moat: low

Tim O's Studios, LLC

4.4(764.8K)

A recent entrant showing high engagement metrics despite being a newer player in the crowded utility space.

Differentiators

  • Focuses on a unique branding identity to stand out in a saturated utility market
  • Rapidly iterating on core utility features to capture users dissatisfied with legacy calculator apps

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

  • Material 3 design alignment provides consistent Android visual language
  • Quick share functionality drives organic acquisition via external messaging
  • Homescreen widget reduces friction for daily active usage

Critical Frictions

  • Removal of real-time sum display slows power-user workflows
  • Technical instability causes force-closes post-update
  • Lack of advanced conversion tools limits utility versus system calculators

Growth Levers

  • Integration of currency and unit converters to capture power users
  • Restoration of legacy memory functions to support financial workflows
  • B2B distribution via educational partnerships for STEM utility

Market Threats

  • System-integrated calculators offer zero-friction installation and search access
  • High-velocity rivals like Calculator₊ erode market share with frequent updates
  • UI regressions lead to increased uninstallation rates among long-term users

What are the next best moves?

highPivot

Restore real-time sum display because user complaints cite it as a top efficiency regression → stabilize power-user retention

High-frequency complaint theme regarding workflow speed post-update

Trade-off: Pause the Material 3 UI polish sprint — workflow efficiency has higher churn impact than visual alignment.

mediumInvest

Ship unit conversion tools because users request parity with stock calculator capabilities → increase utility-based retention

Top user request theme in sentiment analysis

Trade-off: Delay the legacy memory function restoration — unit conversion has broader appeal for the general user base.

A counter-intuitive read

The app's lack of monetization is a strategic vulnerability, as it prevents the reinvestment needed to match the high-velocity update cadence of commercial rivals like Calculator₊.

Feature Gaps vs Competitors

  • Currency conversion (available in stock system calculators)
  • Advanced unit conversion (available in Time Unit Converter Pro)
  • Legacy memory storage buttons (available in legacy calculator utilities)

Key Takeaways

Calculator maintains a reliable core utility but risks losing its power-user base to more efficient rivals, so the PM should prioritize restoring workflow-critical features like real-time sum displays to stabilize sentiment.

Where Is It Heading?

Mixed Signals

The utility market is consolidating around calculators that offer either deep system integration or high-velocity feature expansion. Calculator is currently exposed because its recent design-first updates prioritize aesthetics over the workflow efficiency that users expect, so the PM must pivot to feature-parity with stock tools to prevent further churn.

UI regressions in the latest update (removed sum display, flashing cursors) erode the daily active habit, which compounds the rating drag.

Core calculation performance remains a primary retention driver, suggesting the underlying logic is sound if efficiency features are restored.

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 Material 3 design language but suffered a decline in user sentiment due to the removal of workflow-critical efficiency features.

added

Scientific Operations

declined

Efficiency Regression

shifted

Design-First Strategy

added

Maintenance Risk

Cite this report

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

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