Comparison

Vector Field vs KCNote

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

Head to head
About

Vector Field

Visualize mathematical vector fields with animated particles in 2D, 3D, or spherical spaces. Input custom equations and adjust simulation parameters in real-time to explore dynamical systems and mathematical patterns interactively.

Highlights
  • 2D, 3D, and spherical vector field visualization
  • Customizable dx, dy, dz equations
  • Adjustable particle speed, density, and colors
  • Time-dependent field animation
  • Interactive 3D view rotation
  • Real-time rendering powered by Metal
Features
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Vector Field lets you create and visualize mathematical vector fields with thousands of animated particles. Enter your own equations, adjust the simulation instantly, and watch how particles move through 2D, 3D, or spherical spaces. Whether you are studying differential equations, experimenting with dynamical systems, teaching vector calculus, or simply exploring mathematical patterns, Vector Field turns equations into interactive motion. Features: • Visualize vector fields in 2D, 3D, and on a sphere • Define custom dx, dy, and dz equations using x, y, z, and time t • Use built-in function presets or save your own • Adjust particle speed, density, lifetime, colors, and ranges • Animate time-dependent fields • Normalize vectors to focus on direction • Rotate 3D views interactively • Powered by Metal for smooth real-time rendering • Create, tweak, and discover vector fields directly from your device.

About

KCNote

Features
Read full description

KCNote is a specialized handwriting pen that collects and uploads the user's handwriting, and displays it in real-time on the device terminal; Record sharing user handwriting app

Screenshots

Vector Field4 screens
KCNote4 screens

Verdict

The call

The clearest difference is ads: Vector Field at none against KCNote's shown. KCNote's advantage is update cadence (weekly vs every 3 months) and iOS requirement (11.0 vs 15.0). On price, 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

Vector Field ships an update every 3 months, KCNote weekly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Vector Field versus KCNote: the parameters behind the verdict, then further details
ParameterVector FieldKCNote
PriceFreeFree
Rating4.5 (6 ratings) — better—
Positive reviews72.7% of reviews—
Number of ratings6 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size1 MB25 MB
Age rating4+4+
DeveloperEliott Morgenszternzhuhai k-chip technology Co., Ltd

In-app purchases

None

Vector Field

No in-app purchases

None

KCNote

No in-app purchases

Questions

Is Vector Field free?
Vector Field is free to download, with no in-app purchases.
Is KCNote free?
KCNote is free to download, with no in-app purchases.
Do Vector Field or KCNote have ads?
KCNote shows ads; Vector Field does not.
Which is updated more often, Vector Field or KCNote?
Vector Field ships an update every 3 months, and KCNote weekly. Most recently, Vector Field was updated on November 3, 2026 and KCNote on November 7, 2026.

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