Report updated Jun 21, 2026

Calculator⁼ is a well-regarded utilities app that is completely free. With a 4.4/5 rating from 1.1M reviews, it maintains solid user satisfaction. Users particularly appreciate intuitive interface, though ad frequency remains a common concern.

What is Calculator⁼?

Calculator⁼ is a utility app for basic and scientific math, featuring a history tape and currency converter for iOS and Android.

Users hire this tool for quick, reliable math retrieval and expense tracking, where the history tape removes the need for manual note-taking.

Current Momentum

v9.1 (886477075) · 1w ago

Maintenance
  • Maintains high 4.63 iOS rating.
  • Last major update March 2026.

Active Nemesis

Calculator +

Calculator +

By xNeat.com

Other Rivals

Calculator Pro Elite
Calculator for iPad!
Modulus Calculator
Triangle Calc A
Unit Converter Pro
Unit Converter For Engineers
Quick Unit Converter: All in 1
Cuspart: Unit Converter

7-Day Rank Pulse 🇺🇸

Utilities

No ranking data

ToolsGrossing

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

Loading...

What Are The Key Features?

History TapeDifferentiator

Logs past calculations with a visual paper-like interface for review and reuse

Scientific ModeStandard

Access to advanced mathematical operations including trigonometric, logarithmic, and exponential functions

Live Currency ConverterDifferentiator

Real-time exchange rate calculations integrated into the calculator interface

How much does it cost?

Free
  • Free access to all features

Ad-supported free model with no visible IAP or subscription gates, monetizing via high-volume utility usage.

Who Built It?

Impala Studios app icon 1
Impala Studios app icon 2
Impala Studios app icon 3
Impala Studios app icon 4

Impala Studios

(2.9M)

Simplifying daily life through high-utility mobile tools for weather, travel, and productivity.

Portfolio

13

Apps

Free 12
Weather33%
Utilities17%
Travel17%

What other apps does Impala Studios make?

Explore the full Impala Studios report

Portfolio breakdown, audience, momentum, and every app published by Impala Studios.

Go deeper

What do users think recently?

High confidence · Latest 100 of 357K total reviews analyzed

How did the latest release land?

Overall
4.4/ 5
(1.1M)
Current version
4.6/ 5
+0.2 vs overall
(357K)
Main signal post-update: intuitive interface.

What is the recent mood?

Excited

Recent user voice shows a excited sentiment. Users appreciate intuitive interface, but report ad frequency.

What Users Love

Intuitive interface

What Frustrates Users

Ad frequency

What Users Want

Advanced graphing

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⁼?

Where is it available?

Localized markets (18)

United StatesBrazilGermanySpainFranceUnited KingdomIndonesiaIndiaItalyJapanSouth KoreaMexicoNetherlandsPortugalSwedenSingaporeTurkeyVietnam

How's The Utilities Market?

How does it evolve in the Utilities market?

Calculator⁼ holds a #62 Grossing rank in its category, but the lack of subscription gates limits revenue compared to the broader utility market. The 4.63 rating on iOS suggests high satisfaction with the core interface, yet the gap between free and grossing rank signals missed monetization opportunities.

Rank progression

2 active rankings tracked — 30-day window

The rivals identified

Nemeses(1)

This app directly competes for the power-user segment by offering specialized iPad-native features like drawing and notes that expand the utility of a standard calculator.

Contenders(4)

Calculator HD+ Pro icon

smalltech sarl

4.8(99)

This app competes by offering advanced workspace management and data handling features that appeal to professional and academic users.

iCalc Lite - Calculator icon

Gilbert Montane Pinto

4.6(12)

This app targets the minimalist user base by providing a lightweight, no-frills alternative to the target app's feature set.

A high-velocity competitor that uses a modern, feature-rich approach to capture users looking for faster, smarter calculation workflows.

This app competes by focusing on high-precision display and iPad multitasking, directly challenging the target's utility in professional environments.

Same space(3)

This app competes by offering advanced expression input and user-defined units, appealing to users who need a highly customizable utility.

Differentiators

  • Supports complex expression input, allowing users to perform math directly within the conversion interface.
  • Enables user-defined units, which creates a personalized and extensible toolset for niche professional needs.

This app targets the technical segment of the utility market, competing for users who require precision and specialized functionality.

Differentiators

  • Includes specialized engineering units that are essential for technical professionals and students.
  • Provides an ad-free interface that improves focus and professional usability compared to ad-supported alternatives.

This app competes for the same utility-focused audience by offering a broad range of conversion tools that complement basic math tasks.

Differentiators

  • Leverages home screen widgets to provide users with instant access to conversions without opening the app.
  • Supports multi-category conversion workflows that streamline complex tasks for power users.

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

  • History tape mechanism functions as a retention loop for expense tracking
  • High-visibility UI reduces cognitive load for casual users

Critical Frictions

  • No IAP or subscription gates limits revenue per user
  • Lack of graphing features drives power-user churn to competitors

Growth Levers

  • Integration of specialized financial tools for small business owners
  • Expansion of offline currency conversion for international travelers

Market Threats

  • High-frequency release cadence of Calculator +
  • Potential for ad-free competitors to siphon professional users

What are the next best moves?

highInvest

Ship premium ad-free tier because ad-frequency is the top complaint → increase revenue per user

Ad frequency is the primary complaint theme in user sentiment data.

Trade-off: Pause the UI redesign sprint — ad-free monetization has a higher immediate revenue impact.

mediumPivot

Audit graphing feature requirements because power-users churn to Calculator + → improve retention

Competitor analysis identifies graphing as the primary reason for churn to the nemesis.

Trade-off: Deprioritize the currency converter update — graphing parity is more critical for power-user retention.

A counter-intuitive read

The lack of advanced features is a deliberate moat that keeps the UI simple for the 90% of users who only need basic math, preventing the bloat that kills utility retention.

Feature Gaps vs Competitors

  • Graphing and polynomial equation solvers (available in Calculator +)
  • Base converter tool (available in Calculator +)

Key Takeaways

Calculator⁼ holds its category lead through sticky history-tape mechanics but bleeds power-users to graphing-capable rivals, so revenue growth hinges on introducing a premium ad-free tier to capture professional segments.

Where Is It Heading?

Stable

The utility calculator market is consolidating around apps that offer both basic speed and advanced technical depth. Calculator⁼ remains stable due to its high-visibility design, but the lack of a premium tier or graphing tools makes it vulnerable to competitors who are aggressively targeting the professional user segment.

Frequent ad complaints in reviews indicate the current monetization model is reaching a friction ceiling that threatens long-term user retention.

The latest update focused on stability rather than feature expansion, signaling a maintenance-mode posture that leaves the app exposed to feature-rich rivals.

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 shows improved sentiment and massive review growth, but remains in maintenance mode while facing increased pressure to monetize via ad-free tiers.

improved

Sentiment Score Increase

added

Review Volume Growth

shifted

Monetization Priority

added

Feature Gap Expansion

added

Competitive Threat Update

Cite this report

Marlvel.ai. “Calculator⁼ Intelligence Report.” Updated Jun 21, 2026. https://marlvel.ai/apps/calculator-15

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