By 7th Gear
Report updated May 6, 2026
Calculator!
For math students and professionals requiring persistent history and note-taking capabilities.
Calculator! is an established utilities app that is a paid app. With a 4.4/5 rating from 769.1K reviews, it shows polarized user reception. Users particularly appreciate simple and accurate calculation tools provide reliable utility for everyday personal and business tasks, though recent design changes post-update removed critical quick-answer displays and altered input box functionality remains a common concern.
What is Calculator!?
Calculator! is a utility app for iOS and Android providing standard and scientific math functions with integrated note-taking.
Users hire the app to maintain a persistent, ad-free record of complex calculations that standard system calculators fail to provide.
Current Momentum
v9.1 (886477075) · 1mo ago
Zombie- Implemented Material 3 design on Android.
- Fixed critical stability bugs.
Active Nemesis
Calculator₊
By Impala Studios
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesRating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
30+ scientific operations.
Handwritten notes within the app.
Logs past calculations.
Leather color and texture changes.
Print notes and history.
How much does it cost?
- $0.99 on iOS
- Free on Android
Split-platform model uses a flat fee on iOS to gate customization while maintaining free utility on Android.
Who Built It?
7th Gear
Providing high-precision utility and environmental data tools for iOS users, from academic calculations to coastal navigation.
Portfolio
2
Apps
Who is 7th Gear?
7th Gear operates a lean portfolio focused on evergreen utility niches, prioritizing deep feature integration over high-volume releases. Their strategy centers on capturing massive user bases in stable categories like basic math and weather, leveraging iOS-specific features like AirPrint and Apple Watch support to maintain a competitive edge against generic alternatives. The primary strategic signal is their ability to sustain high user sentiment in saturated categories with a minimal development footprint.
Who is 7th Gear for?
- Students
- Professionals
- Outdoor enthusiasts requiring reliable
- High-precision tools for daily tasks
Portfolio momentum
With one update in the last six months and 50% of the portfolio currently active, the publisher is focused on maintaining its established flagship titles.
What other apps does 7th Gear make?
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 tools provide reliable utility for everyday personal and business tasks and integrated note-taking and calculation logs assist users in managing complex multi-step financial references, but report recent design changes post-update removed critical quick-answer displays and altered input box functionality and technical regressions post-update cause application instability and unexpected navigation to the device lock screen.
What Users Love
What Frustrates Users
What Users Want
What is the competitive landscape for Calculator!?
How's The Utilities Market?
How does it evolve in the Utilities market?
Calculator! holds a #73 Paid rank in the US Utilities category, with the iOS version maintaining a 4.78 rating. The lack of recent updates on iOS compared to the Android release cadence signals a potential drift in platform priority.
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇺🇸 US | Utilities | iOSPaid | #73 | NEW |
The rivals identified
The Nemesis
Head to Head
The target app must pivot toward a unique, high-value utility feature or superior design language to differentiate itself from this dominant, high-velocity incumbent.
What sets Calculator! apart
Provides a more focused, minimalist aesthetic that appeals to users overwhelmed by feature-heavy calculator interfaces.
Maintains a specific niche focus on iPad/iPhone utility that avoids the bloat found in mass-market alternatives.
What's Calculator₊'s Edge
Leverages a massive, long-standing user base to dominate App Store search rankings and organic discovery.
Delivers consistent, rapid feature updates that keep the application feeling modern and reliable for daily users.
Contenders
Provides a robust, standard-utility experience that directly competes for the same casual user demographic.
Maintains a stable, predictable release schedule that ensures long-term reliability for core calculator functionality.
Peers
Utilizes advanced computer vision to solve handwritten math problems, shifting the value proposition from input to capture.
Backed by Google's infrastructure, providing a level of reliability and feature-depth that independent utilities struggle to match.
Offers step-by-step problem solving that transforms the app from a simple tool into an educational companion.
Integrates deep subject-matter expertise across algebra, calculus, and statistics, far exceeding standard calculator capabilities.
Provides industry-leading graphing performance and visualization tools that are essential for academic and professional users.
Maintains a clean, ad-free, and highly accessible interface that prioritizes user experience over monetization.
New Kids on the Block
Calculator Air: AI Math Solver
★4.7 (82.2K)Air Apps Systems
⚡An emerging threat that is aggressively integrating AI math-solving features to capture the modern, tech-forward user segment.
Integrates AI-driven problem solving to differentiate from traditional, static calculator interfaces.
Aggressively iterates with 5 releases in the last six months to rapidly refine its AI feature set.
The outtake for Calculator!
Strengths to defend, gaps to attack
Core Strengths
- Leather-textured UI creates distinct brand identity
- Integrated note-taking provides utility beyond arithmetic
- One-time purchase model avoids subscription fatigue
Critical Frictions
- 0.4★ rating gap between Android and iOS
- Broken widget functionality on newer hardware
- Lack of modern graphing capabilities
Growth Levers
- Integration of native currency and unit converters
- Expansion into educational graphing tools
Market Threats
- AI-driven math solvers eroding manual input value
- High-frequency update cadence of Calculator₊
- Technical regressions causing lock-screen navigation
What are the next best moves?
Rebuild widget functionality because it is a top-reported frustration on new hardware → restore user trust
Widget failure is a recurring complaint theme in recent reviews.
Trade-off: Push the unit converter feature to Q4 — widget stability has higher impact on current retention.
Restore real-time sum display because its removal hinders data entry efficiency → reduce negative sentiment
Users report the removal of real-time sums as a primary UI regression.
Trade-off: Pause the UI leather-texture update — restoring core functionality is critical for sentiment recovery.
A counter-intuitive read
The app's one-time purchase model is a liability, not a strength, because it prevents the recurring revenue needed to match the high-frequency update cadence of ad-supported rivals.
Feature Gaps vs Competitors
- Graphing capabilities (available in Desmos)
- Currency conversion (available in stock calculators)
Key Takeaways
Calculator! maintains a loyal base through its ad-free, one-time purchase model, but recent UI regressions and broken widgets threaten its utility status, so the PM must prioritize restoring core display functionality to stabilize the rating.
Where Is It Heading?
Declining
The utility calculator market is consolidating around high-frequency, AI-integrated entrants that offer more than basic arithmetic. Calculator! remains exposed due to its static feature set and recent stability issues, so revenue growth hinges on modernizing the core toolset before the user base migrates to more reliable alternatives.
Technical regressions in the latest update cause lock-screen navigation, which directly erodes the daily active habit.
Broken widget functionality on newer hardware triggers negative reviews, compounding the rating drag already visible on Android.