Comparison

TinyWatchCalc vs Plottron

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

Head to head
About

TinyWatchCalc

Features
Read full description

A simple calculator for the Apple Watch. Supports addition, subtraction, multiplication and division.

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.

Screenshots

TinyWatchCalc1 screens
Plottron1 screens

Verdict

The call

The clearest difference is update cadence: Plottron at every 2 months against TinyWatchCalc's every 16 months. TinyWatchCalc's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

TinyWatchCalc ships an update every 16 months, Plottron every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
TinyWatchCalc versus Plottron: the parameters behind the verdict, then further details
ParameterTinyWatchCalcPlottron
PriceFreeFree
Rating—4.8 (12 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—12 — better
Update frequencyEvery 16 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size9 MB2 MB
Age rating4+4+
DeveloperPeter EntwistleBilly Lin

In-app purchases

None

TinyWatchCalc

No in-app purchases

None

Plottron

No in-app purchases

Questions

Is TinyWatchCalc free?
TinyWatchCalc is free to download, with no in-app purchases.
Is Plottron free?
Plottron is free to download, with no in-app purchases.
Do TinyWatchCalc or Plottron have ads?
Neither TinyWatchCalc nor Plottron shows ads.
Which is updated more often, TinyWatchCalc or Plottron?
TinyWatchCalc ships an update every 16 months, and Plottron every 2 months. Most recently, TinyWatchCalc was updated on October 29, 2026 and Plottron on October 24, 2026.

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