Plottron vs Acute Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 2D and 3D graphing
- Implicit graphing
- Complex number visualization
- Symbolic differentiation
- User-defined variables and functions
- Live evaluation
- Calculation history
Read full descriptionHide 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.
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.
- Visual editor
- 30+ functions supported
- History tape
- Store variables
- Intuitive palette system
Read full descriptionHide 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
Verdict
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
Both are free to download. Acute Calculator sells 3 one-off in-app purchases. Plottron asks for nothing beyond the download.
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.
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.
| Parameter | Plottron | Acute Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (12 ratings) | 4.9 (116 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 94.9% of reviews |
| Number of ratings | 12 | 116 — better |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Billy Lin | Find App, Inc. |
Customer experience
Plottron
Acute Calculator
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 moreShow fewer
- 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 moreShow fewer
- 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
Plottron
No in-app purchases
Acute Calculator
- Acute Plus Limited-Time Offer$3.49
- Acute Plus (For Students)$4.99
- Acute Plus (One Time)$6.99









