Comparison

Plottron vs A Complex Calc

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) 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

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.

Highlights
  • Complex number support
  • Basic and Scientific modes
  • History of operations
  • Trigonometric and hyperbolic functions
  • Random number generation
  • Lightweight app size
Features
Read 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

Plottron1 screens
A Complex Calc4 screens

Verdict

The call

The clearest difference is update cadence: A Complex Calc at every 3 weeks against Plottron's every 5 months. A Complex Calc also leads on iOS requirement (10.0 vs 15.0). Plottron's advantage is review sentiment (100% vs 80%). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Plottron ships an update every 5 months, A Complex Calc every 3 weeks. The most recent releases landed on September 14, 2026 and August 28, 2026 respectively.

Scorecard3 real differences · 7 level
Plottron versus A Complex Calc: the parameters behind the verdict, then further details
ParameterPlottronA Complex Calc
PriceFreeFree
Rating4.8 (12 ratings) — better4.7 (23 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings1223 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size2 MB28 MB
Age rating4+4+
DeveloperBilly LinAntonio Ruffolo

Customer experience

Plottron

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

A Complex Calc

All ratings23 ratings
Positive91.3%
Neutral4.3%
Negative4.3%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

None

Plottron

No in-app purchases

None

A Complex Calc

No in-app purchases

Questions

Is Plottron free?
Plottron is free to download, with no in-app purchases.
Is A Complex Calc free?
A Complex Calc is free to download, with no in-app purchases.
Which has better reviews, Plottron or A Complex Calc?
Plottron is rated higher. Plottron averages 4.8 out of 5 from 12 ratings, while A Complex Calc averages 4.7 from 23 ratings.
Do Plottron or A Complex Calc have ads?
Neither Plottron nor A Complex Calc shows ads.
Which is updated more often, Plottron or A Complex Calc?
Plottron ships an update every 5 months, and A Complex Calc every 3 weeks. Most recently, Plottron was updated on September 14, 2026 and A Complex Calc on August 28, 2026.

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