Comparison

RubySketch vs Learn Ruby Fast

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

Learn Ruby Fast

Master Ruby programming fundamentals with interactive lessons designed for beginners. This app guides you through essential coding skills, making it accessible to learn on your mobile device. Explore the basics of app and website development.

Highlights
  • Guided programming lessons
  • Core Ruby skills
  • Beginner-friendly
  • Mobile learning
  • App and website development basics
Features
Read full description

Learn Ruby from the comfort of your couch. RubyPad teaches you the core programming skills used by real software engineers, with guided lessons you can complete on your phone. Perfect for beginners or anyone curious about how developers build apps and websites. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RubySketch2 screens
Learn Ruby Fast4 screens

Verdict

The call

The clearest difference is ads: Learn Ruby Fast at none against RubySketch's shown. Learn Ruby Fast also leads on rating (5.0 vs 4.7). RubySketch's advantage is update cadence (every 5 weeks vs every 6 months) and ratings volume (24 vs 3). On price, review sentiment, in-app purchases and monetization model 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 and Learn Ruby Fast sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Learn Ruby Fast holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RubySketch has 24 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

RubySketch ships an update every 5 weeks, Learn Ruby Fast every 6 months. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
RubySketch versus Learn Ruby Fast: the parameters behind the verdict, then further details
ParameterRubySketchLearn Ruby Fast
PriceFreeFree
Rating4.7 (24 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings24 — better3
Update frequencyEvery 5 weeks — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size82 MB47 MB
Age rating4+9+
DeveloperNoritaka SuzukiDalvin Digital

Customer experience

RubySketch

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Learn Ruby Fast

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

RubySketch

One-time1
  • Remove Ads$9.99
2 purchases

Learn Ruby Fast

Subscriptions2
  • Pro Monthly3 Days trial$9.991 Month
  • Pro Annually3 Days trial$59.991 Year

Questions

Is RubySketch free?
RubySketch is free to download, with in-app purchases available.
Is Learn Ruby Fast free?
Learn Ruby Fast is free to download, with in-app purchases available.
Which has better reviews, RubySketch or Learn Ruby Fast?
Learn Ruby Fast is rated higher. RubySketch averages 4.7 out of 5 from 24 ratings, while Learn Ruby Fast averages 5.0 from 3 ratings.
Do RubySketch or Learn Ruby Fast have ads?
RubySketch shows ads; Learn Ruby Fast does not.
Which is updated more often, RubySketch or Learn Ruby Fast?
RubySketch ships an update every 5 weeks, and Learn Ruby Fast every 6 months. Most recently, RubySketch was updated on September 21, 2026 and Learn Ruby Fast on September 27, 2026.

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