Comparison

RubySketch vs Qsfix NFC

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

Head to head
About

RubySketch

This app provides a Ruby interpreter and text editor, allowing users to write and run Ruby scripts. It also features a graphics API compatible with Processing for creative coding on mobile devices.

Highlights
  • Built-in Ruby interpreter (CRuby/MRI)
  • Processing-compatible graphics API
  • Text editor with easy cursor movement
  • Physics-capable sprites
  • Image input from camera
  • Sound playback
  • Sample scripts and games
Features
Read full description

This app includes Ruby language interpreter known as CRuby or MRI (Matz Ruby Implementation) and a simple text editor. So you can edit and run a ruby script. It also has an API that is almost compatible with Processing that is well known as a Creative Coding framework. So you can enjoy graphics programming on your iPhone or iPad. Key Features - Built-in Ruby interpreter (CRuby / MRI) - Processing-compatible graphics API with shaders available - Built-in text editor that makes moving the cursor painless - Physics-capable sprites - Image input from camera - Sound playback - Includes many sample scripts, including simple games This is a list of functions implemented to be compatible with the Processing API. --- abs, acos, alpha, angleMode, applyMatrix, arc, asin, atan, atan2, background, beginContour, beginShape, bezier, bezierDetail, bezierPoint, bezierTangent, bezierVertex, blend, blendMode, blue, brightness, ceil, circle, clear, clip, color, colorMode, constrain, copy, cos, createCanvas, createCapture, createFont, createGraphics, createImage, createShader, createShape, createVector, curve, curveDetail, curvePoint, curveTangent, curveTightness, curveVertex, degrees, deltaTime, displayDensity, displayHeight, displayWidth, dist, doubleClicked, draw, ellipse, ellipseMode, endContour, endShape, exp, fill, filter, floor, focused, frameCount, frameRate, fullScreen, fullscreen, green, height, hue, image, imageMode, key, keyCode, keyIsDown, keyIsPressed, keyPressed, keyReleased, keyTyped, lerp, lerpColor, line, loadFont, loadImage, loadPixels, loadShader, log, loop, mag, map, max, min, motion, motionGravity, mouseButton, mouseClicked, mouseDragged, mouseMoved, mousePressed, mouseReleased, mouseWheel, mouseX, mouseY, noClip, noFill, noLoop, noSmooth, noStroke, noTint, noise, noiseDetail, noiseSeed, norm, pixelDensity, pixelHeight, pixelWidth, pixels, pmouseX, pmouseY, point, pop, popMatrix, popStyle, pow, printMatrix, push, pushMatrix, pushStyle, quad, quadraticVertex, radians, random, randomGaussian, randomSeed, rect, rectMode, red, redraw, renderMode, requestImage, resetMatrix, resetShader, rotate, rotateX, rotateY, rotateZ, round, saturation, save, scale, setTitle, setup, shader, shape, shapeMode, shearX, shearY, sin, size, smooth, sq, sqrt, square, stroke, strokeCap, strokeJoin, strokeWeight, tan, text, textAlign, textAscent, textDescent, textFont, textLeading, textSize, textWidth, texture, textureMode, textureWrap, tint, touchEnded, touchMoved, touchStarted, touches, translate, triangle, updatePixels, vertex, width, windowHeight, windowMove, windowMoved, windowOrientation, windowResizable, windowResize, windowResized, windowWidth, windowX, windowY

About

Qsfix NFC

Features
Read full description

アプリを起動後、読み取り対象のICカードをスキャンし、取得したカード番号をクリップボードにコピーします。

Screenshots

RubySketch2 screens
Qsfix NFC3 screens

Verdict

The call

The clearest difference is in-app purchases: Qsfix NFC at none against RubySketch's 1. Qsfix NFC also leads on ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price 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. RubySketch sells 1 one-off in-app purchase. Qsfix NFC asks for nothing beyond the download.

UpkeepUpdate frequency

RubySketch ships an update every 5 weeks, Qsfix NFC every 5 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
RubySketch versus Qsfix NFC: the parameters behind the verdict, then further details
ParameterRubySketchQsfix NFC
PriceFreeFree
Rating4.7 (24 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings24 — better—
Update frequencyEvery 5 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size82 MB21 MB
Age rating4+4+
DeveloperNoritaka SuzukiQ'sfix Corporation

In-app purchases

1 purchases

RubySketch

One-time1
  • Remove Ads$9.99
None

Qsfix NFC

No in-app purchases

Questions

Is RubySketch free?
RubySketch is free to download, with in-app purchases available.
Is Qsfix NFC free?
Qsfix NFC is free to download, with no in-app purchases.
Do RubySketch or Qsfix NFC have ads?
RubySketch shows ads; Qsfix NFC does not.
Which is updated more often, RubySketch or Qsfix NFC?
RubySketch ships an update every 5 weeks, and Qsfix NFC every 5 days. Most recently, RubySketch was updated on November 7, 2026 and Qsfix NFC on November 3, 2026.

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