Comparison

Plottron vs Acute Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Plottron

This application offers advanced 2D and 3D graphing capabilities for various function types, alongside a comprehensive scientific calculator. It supports implicit graphing, complex number visualization, and symbolic differentiation. The calculator includes user-defined variables, live evaluation, and probability density functions.

Highlights
  • 2D and 3D graphing
  • Implicit graphing
  • Complex number visualization
  • Symbolic differentiation
  • User-defined variables and functions
  • Live evaluation
  • Calculation history
Features
Read full description

A graphing + scientific calculator. • 2D and 3D graphing Graphs regular functions, parametric relations, and functions in polar/spherical coordinates. • Implicit graphing • Visualization of complex maps w=f(z) featuring domain coloring plots • For 2D functions: Info mode with tangent line and 2nd-order Taylor approximation Scientific calculator features: • User-defined variables and functions • Symbolic derivative (e.g.: D(x, sin(x)) • nCr, nPr, factorial • Complex numbers • Live evaluation (calculate as you type) • Calculation history • Probability density functions: Binomial, Normal (Gaussian), Student’s t • Cumulative probability density functions • Inverse CDF functions: Normal (Gaussian), Student’s t Examples: Implicit graph: cos(X)=sin(Y) Graph a parabola in Regular mode: X^2 Graph a circle in Parametric mode: cos(T);sin(T) Set a variable: X=5 Use a variable: X+4: 9 Define a function: f(X)=X+1 Use a defined function: f(2): 3 Symbolic derivative: D(X,sin(X)): cos(X) Complex magnitude plot in 3D Regular mode: abs(1/cos(X+Yi)) Notes: • Swipe left for settings. • Use semicolon (;) to separate functions in parametric relations. • Swipe down on keypad to show full history. Tap on answer to show keypad again.

About

Acute Calculator

This advanced graphing calculator offers a visual editor and supports over 30 functions. It includes features like a history tape, variable storage, and an intuitive palette system for complex calculations.

Highlights
  • Visual editor
  • 30+ functions supported
  • History tape
  • Store variables
  • Intuitive palette system
Features
Read full description

+ Easy to use visual editor + Supports 30+ functions + Intuitive palette system + Comes with history tape + Store variables for later + No ads or subscriptions Terms of Use: https://acutecalc.app/terms Privacy Policy: https://acutecalc.app/privacy

Screenshots

Plottron1 screens
Acute Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Plottron at none against Acute Calculator's 3. Acute Calculator's advantage is update cadence (every 2 days vs every 2 months) and ratings volume (116 vs 12). On price, rating, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Acute Calculator sells 3 one-off in-app purchases. Plottron asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Plottron against 4.9 for Acute Calculator. That said, the two scores are not equally well evidenced: Acute Calculator has 116 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 100% of Plottron's written reviews are positive against 95% of Acute Calculator's.

UpkeepUpdate frequency

Plottron ships an update every 2 months, Acute Calculator every 2 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
Plottron versus Acute Calculator: the parameters behind the verdict, then further details
ParameterPlottronAcute Calculator
PriceFreeFree
Rating4.8 (12 ratings)4.9 (116 ratings) — better
Positive reviews100.0% of reviews — better94.9% of reviews
Number of ratings12116 — better
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size2 MB16 MB
Age rating4+4+
DeveloperBilly LinFind App, Inc.

Customer experience

Plottron

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Acute Calculator

All ratings115 ratings
Positive99.1%
Neutral0.0%
Negative0.9%
Written reviews59 reviews
Positive94.9%
Neutral0.0%
Negative5.1%

Bugs and requests

Plottron

Not enough reviews yet to summarise bugs or requests.

Acute Calculator

Reported bugs

6 issues
  • Animation and UI bugs
  • Discount button crashes app
  • Animation lags and skips when sliding down history
  • Calculations are incorrect
  • Does not follow correct order of operations
Show 1 more
  • Transition for history is slow

Requested features

11 requests
  • Make app icon simpler/restrained
  • Add units to graph
  • Allow press and hold on graph lines for values
  • Support Korean language
  • Display commas while entering numbers
Show 6 more
  • Double-tap to recenter graph interface
  • Ability to solve for a variable
  • Dedicated button for +/-
  • Option to pin in control center
  • Make comma separator format selectable
  • Improve app icon design

In-app purchases

None

Plottron

No in-app purchases

3 purchases

Acute Calculator

One-time3
  • Acute Plus Limited-Time Offer$3.49
  • Acute Plus (For Students)$4.99
  • Acute Plus (One Time)$6.99

Questions

Is Plottron free?
Plottron is free to download, with no in-app purchases.
Is Acute Calculator free?
Acute Calculator is free to download, with in-app purchases available.
Which has better reviews, Plottron or Acute Calculator?
Acute Calculator is rated higher. Plottron averages 4.8 out of 5 from 12 ratings, while Acute Calculator averages 4.9 from 116 ratings.
Do Plottron or Acute Calculator have ads?
Neither Plottron nor Acute Calculator shows ads.
Which is updated more often, Plottron or Acute Calculator?
Plottron ships an update every 2 months, and Acute Calculator every 2 days. Most recently, Plottron was updated on October 1, 2026 and Acute Calculator on October 16, 2026.

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