Calculator ∞ is a multi-function scientific and graphing calculator for students and engineers on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
#92
Education · paid
Sentiment
4.4
771k reviews
Nemesis
Desmos Graphing Calculator
The App DNA
What makes this app unique?
Users hire the app for reliable, textbook-style algebraic computation that replaces physical graphing hardware.
For Students, engineers, and programmers requiring a mobile alternative to traditional graphing calculators.
What does it look like?
Key features
Supports simultaneous graphing, smooth zoom, and conic equation plotting.
AI-driven engine for solving complex equations and providing step-by-step hints.
Renders equations in a textbook-style format for readability.
How much does it cost?
Uses a one-time purchase for core utility while gating advanced AI features behind IAP.
Velocity
Maintenance developmentUX improvementsperformanceShow more...
The app has released 5 versions over the last 12 months, averaging approximately 0.1 releases per week, which falls into the maintenance tier. Development is characterized by long gaps between updates, with the most recent activity occurring in March 2026 after a nearly 10-month hiatus. The latest release focuses on design updates and bug fixes, while previous updates were centered on math solver functionality. There is no evidence of live operations or a high-frequency feature release cycle.
Who built it?
Incpt.Mobis
10 apps tracked · Education
User Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate core calculator functionality provides reliable and accurate math results for daily user tasks, but report removal of the running total display post-update forces unnecessary interaction with the equals button.
How are ratings & reviews evolving?
What users say, by theme
- Core calculator functionality provides reliable and accurate math results for daily user tasks
- Removal of the running total display post-update forces unnecessary interaction with the equals button
100 of 150 recent reviews analyzed · high confidence · Mixed overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Calculator ∞
How's the Education market?
Calculator ∞ sits at #73 Paid in the US Education category, trailing the category median for graphing tools. The gap between its 4.69 iOS rating and the recent negative sentiment trend signals that the latest update is eroding its established utility-first moat.
Read the market outlookThe rivals identified
By Desmos
The gold standard for classroom-integrated graphing and interactive geometry tools.
- Interactive geometry engine
- Seamless classroom integration
- High-performance plotting
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 ∞
Where is it heading?
The education utility market is consolidating around AI-native solvers and classroom-integrated tools, leaving standalone calculators like Calculator ∞ exposed. Unless the team pivots from maintenance-mode updates to addressing the core workflow regressions, the current sentiment decline will accelerate churn among the power-user base.
- UI regressions in the latest update (failing totals, button clutter) erode the daily active habit, which compounds the rating drag already visible.
- The lack of classroom-centric features leaves the app exposed to Desmos, which captures student segments before they reach the general app store.
The SWOT
- Textbook-style display mimics physical graphing calculator interfaces
- 2D graphing engine supports simultaneous conic equation plotting
- Integrate wearable support for quick unit conversions
- Expand B2B partnerships with math departments
Next best moves
Ship running total toggle in settings because its removal is the #1 complaint → restore power-user retention.
+ 1 more prioritized moveThe counter-intuitive read
Users report: The app's #73 chart rank is a deceptive risk…
Read the full takeFeature gaps
Interactive geometry engine (available in Desmos but missing here) +1
Since the last report: The app has transitioned into a maintenance phase, with recent UI updates causing significant user friction and a decline in sentiment scores.
Bottom line
Calculator ∞ holds its category lead through sticky graphing mechanics but bleeds power users due to recent UI regressions, so revenue growth hinges on restoring the running total display to satisfy the core student base.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Calculator ∞ good for advanced calculus?
How does Calculator ∞ compare to Desmos?
Does the app have intrusive ads?
What is a free alternative to Calculator ∞?
Report last updated