Plottron vs A Complex Calc
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.
A Complex Calc
Perform complex calculations with a modern, user-friendly interface. Offers both basic and scientific modes, including support for complex numbers and advanced functions. This lightweight application provides a history of computations and is completely free with no advertisements.
- Complex number support
- Basic and Scientific modes
- History of operations
- Trigonometric and hyperbolic functions
- Random number generation
- Lightweight app size
Read full descriptionHide full description
A Complex Calc is built for fast complex-number work without losing the tools you need for serious math. Use scientific functions quickly and check floating-point results in rectangular and polar form. Reuse past results from history, work with built-in constants, and keep advanced tools close while solving everyday and technical calculations.
Screenshots
Verdict
Plottron and A Complex Calc both sit at 4.8 stars, but that hides the real split: 100% of Plottron's written reviews are positive against 80% of A Complex Calc's. A Complex Calc's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (10.0 vs 15.0). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for Plottron against 4.7 for A Complex Calc. Both are backed by a comparable volume of ratings — 12 and 23 respectively. Written reviews are what separate them: 100% of Plottron's written reviews are positive against 80% of A Complex Calc's.
Plottron ships an update every 2 months, A Complex Calc every 3 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.
| Parameter | Plottron | A Complex Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (12 ratings) — better | 4.7 (23 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 12 | 23 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Billy Lin | Antonio Ruffolo |
Customer experience
Plottron
A Complex Calc
In-app purchases
Plottron
No in-app purchases
A Complex Calc
No in-app purchases
Questions
Is Plottron free?
Is A Complex Calc free?
Which has better reviews, Plottron or A Complex Calc?
Do Plottron or A Complex Calc have ads?
Which is updated more often, Plottron or A Complex Calc?
Other comparisons















