Comparison

SpiroDesigner vs Roulette Selector

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

Head to head
About

SpiroDesigner

Create intricate geometric patterns and mathematical curves with this digital spirograph tool. Customize circles, lines, and colors to design unique artwork. Features include saving, exporting, and automatic drawing modes.

Highlights
  • Draw epicycloids and hypotrochoids
  • Customize circle radii and line thickness
  • Select and edit colors
  • Save and export drawings as PNG
  • Automatic drawing mode
  • Randomize settings
  • Tutorial videos
Features
Read full description

SpiroDesigner is an app which can draw a beautiful geometrical pattern like the classic toy, SpiroGraph . With this app, you will be able to easily design attractive and complicated works of art. SpiroDesigner is also a good tool to draw a cycloid curve or a trochoid curve which is known in the field of mathematics. Therefore, this app will help mathematical lovers, teachers and students to understand these mathematical figures. FEATURES: - Undo,Redo - Draw epicycloid,hypocycloid,epitrochoid,hypotrochoid - Select radius of circles, line thickness, position of the pen, scale - Select color - Edit curves(rotation, scale, color, line thickness,color) - Save drawing data - Save PNG images to camera roll - Load,Import - Export to iTunes - Automatic drawing mode - Function to randomize settings - Tutorial Videos and many more…

About

Roulette Selector

Features
Read full description

Introducing Roulette Selector, the ultimate decision-making app that turns everyday choices into an exciting game of chance! Whether you're stuck on selecting a dinner menu, brainstorming date ideas, or just looking for a fun way to make daily decisions, Roulette Selector brings a spin of excitement to your routine. Features: Dynamic Roulette Wheels: Create custom roulette wheels for different categories. From choosing tonight's dinner to planning your next adventure, each spin brings you closer to a decision. Unlimited Options: Add as many options as you want to each roulette wheel. Whether it's different cuisines, movie genres, or potential vacation spots, the possibilities are endless. Easy to Use: Simple and intuitive interface allows you to add, edit, and remove options effortlessly. Spin the roulette with just a tap and watch as it selects a random option for you. If you want to remove or edit the roulette, swipe it left or right. Save: Save your favorite roulettes for future spins. Make group decisions fun and engaging by involving everyone in the spin. How It Works: Add Data: Start by creating a new roulette wheel. Give it a title that reflects the decision you need to make. Customize: Add as many options as you need by tapping on 'Add data'. Customize the look and feel of your roulette with themes that suit your style. Spin: Once you're set, hit 'Spin' and watch the roulette work its magic. The app will randomly select an option for you, adding a touch of excitement to your decision-making process. Selected Option: After the spin, the app displays the chosen option. Can't decide what to do next? Simply spin again! Whether you're planning a meal, a night out, or just looking for a random activity, Roulette Selector makes every choice a thrilling experience. Say goodbye to indecision and hello to fun with the spin of a wheel. Download Roulette Selector today and let the spin decide!

Screenshots

Roulette Selector4 screens

Verdict

The call

The clearest difference is price: Roulette Selector at Free against SpiroDesigner's $2.99. Roulette Selector also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). SpiroDesigner's advantage is ads (none vs shown). On update cadence and in-app purchases 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

Roulette Selector is free to download; SpiroDesigner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SpiroDesigner ships an update every 5 months, Roulette Selector every 4 months. The most recent releases landed on September 10, 2026 and August 28, 2026 respectively.

Scorecard4 real differences · 6 level
SpiroDesigner versus Roulette Selector: the parameters behind the verdict, then further details
ParameterSpiroDesignerRoulette Selector
Price$2.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size19 MB28 MB
Age rating4+4+
DeveloperMasahiko FukuyamaSEUNGWOO JO

In-app purchases

None

SpiroDesigner

No in-app purchases

None

Roulette Selector

No in-app purchases

Questions

Is SpiroDesigner free?
SpiroDesigner costs $2.99, with no in-app purchases.
Is Roulette Selector free?
Roulette Selector is free to download, with no in-app purchases.
Do SpiroDesigner or Roulette Selector have ads?
Roulette Selector shows ads; SpiroDesigner does not.
Which is updated more often, SpiroDesigner or Roulette Selector?
SpiroDesigner ships an update every 5 months, and Roulette Selector every 4 months. Most recently, SpiroDesigner was updated on September 10, 2026 and Roulette Selector on August 28, 2026.

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