Calculator + is a multi-purpose utility app for iOS and Android that provides basic, scientific, and camera-based math solving alongside unit conversion.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Utilities
Sentiment
4.3
372k reviews
Nemesis
Calculator₊
The App DNA
What makes this app unique?
Users hire the app to solve complex handwritten equations and perform unit conversions in a single interface, reducing the need for multiple specialized tools.
For Students and professionals requiring a multi-purpose utility suite for daily mathematical, conversion, and productivity tasks.
What does it look like?
Key features
Uses camera input to capture and solve handwritten mathematical problems
Converts units of length, area, volume, speed, time, mass, and currency
Provides trigonometric functions, logarithms, and advanced mathematical operations
How much does it cost?
Subscription model anchored at $4.99/month, bundling 15+ apps to increase perceived value and reduce churn.
Velocity
Maintenance developmentperformanceopaqueShow more...
The app ships approximately 0.08 releases per week, placing it firmly in the maintenance tier. Development is stagnant, with the last five releases spanning from February 2024 to August 2024, all consisting exclusively of generic bug fixes and stability improvements. There is no evidence of new features, content, or live operations. The development trend is stable at a low-frequency maintenance level.
Who built it?
Rocket Apps
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What do users think recently?
Review voice lately leans mixed. Users appreciate simple and effective calculation interface provides immediate utility for basic math tasks and visual design and accuracy of results meet expectations for a standard calculator, but report aggressive advertisement frequency interrupts the calculation flow and degrades the user experience.
How are ratings & reviews evolving?
What users say, by theme
- Simple and effective calculation interface provides immediate utility for basic math tasks
- Visual design and accuracy of results meet expectations for a standard calculator
- Aggressive advertisement frequency interrupts the calculation flow and degrades the user experience
92 of 93 recent reviews analyzed · high confidence · Mixed overall
Read the full review analysisUnlock 1 more frustration theme and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Calculator +ㅤ
How's the Utilities market?
Calculator + maintains a 4.59 rating on iOS, but its monetization friction limits its ability to compete with native OS tools that offer zero-friction utility.
Read the market outlookThe rivals identified
By Impala Studios
With over 1.7 million reviews and a high release cadence, this app dominates the utility calculator space through sheer scale and long-term market presence.
- Maintains a massive, long-term user base that creates a significant barrier to entry for new competitors.
- High release frequency of 8 updates in six months ensures consistent feature parity and platform optimization.
- Established brand identity as the default third-party calculator choice for iPad and iPhone users globally.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Calculator +ㅤ
Where is it heading?
The utility calculator market is consolidating around native OS tools and AI-driven solvers, leaving general-purpose apps like Calculator + exposed. Unless the team pivots from aggressive ad-monetization to a more balanced value-exchange, the app will continue to lose power users to more stable, ad-free alternatives.
- Aggressive ad frequency in the latest version interrupts calculation flow, which accelerates churn among casual users.
- The latest release added Snap and Scribble functionality, which provides a unique differentiator against native OS calculators.
The SWOT
- Snap and Scribble camera-solve provides a clear differentiator for student segments
- Multi-app bundle increases perceived value for power users
- Expand regional currency support to capture global markets
- Add memory functions to satisfy accounting workflows
Next best moves
Audit ad frequency because high-frequency ad complaints are the #1 churn driver → improve retention
+ 1 more prioritized moveThe counter-intuitive read
The app's subscription-gated basic math functions are not…
Read the full takeFeature gaps
Step-by-step explanations (available in Photomath but absent here) +1
Since the last report: The app has transitioned to an aggressive monetization model that prioritizes subscription revenue over user experience, leading to increased churn and negative sentiment.
Bottom line
Calculator + wins utility share through its camera-solve feature, but aggressive monetization drives churn, so the PM should prioritize reducing ad density to stabilize the user base.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated