Comparison

F.A.S.T vs Attracteur

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

Head to head
About

F.A.S.T

Create and customize mesmerizing mathematical spirals, including Archimedean and logarithmic forms. Offers intuitive controls for precise adjustments to curvature, color, and patterns. Ideal for creative discovery and educational exploration.

Highlights
  • Archimedean & Logarithmic Spirals
  • Intuitive Controls
  • Dynamic Colorization
  • Expert Mode
  • Dark Mode Support
  • Cross-device Compatibility
Features
Read full description

F.A.S.T (Fancy Archimedean Spiral Tool) Unlock the world of mesmerizing spirals with F.A.S.T – your ultimate tool for creating, exploring, and customizing beautiful mathematical spirals. Whether you're captivated by the elegance of curves or fascinated by the geometry of logarithmic and Archimedean spirals, F.A.S.T offers you endless possibilities for creative discovery. Key Features: - Archimedean & Logarithmic Spirals: Dive into the classic forms of Archimedean spirals or the distinctive beauty of logarithmic (Bernoulli) spirals, each customizable to perfection. - Intuitive Controls: Adjust arc length, separation, rotation, segment count, and even color to create spirals that are uniquely yours. Every control slider is designed to let you shape each aspect with precision, from the spiral's curvature to the color that brings it to life. - Dynamic Colorization: Explore the full hue spectrum with seamless color transitions that allow you to bring your spirals to life in vibrant ways. From soft gradients to intense shades, your creations can be as colorful as you wish. - Expert Mode: Ready to go beyond? Activate Expert Mode and access advanced options that make every tweak feel like an art form. Experiment with rotations, mirrored patterns, and detailed configurations to find the perfect look. - Dark Mode & More: Customize your workspace with Dark Mode, make high-contrast visualizations, and adjust your settings to fit your unique style. F.A.S.T has been built to look great on both iPhone and iPad, adapting seamlessly to your device's orientation and dark/light settings. - Made for All Ages: Ideal for curious minds of all ages, F.A.S.T offers easy-to-use controls that make it engaging for young explorers and a true creative outlet for geometry enthusiasts. Whether you're creating spirals for inspiration, education, or pure enjoyment, F.A.S.T provides a delightful environment to explore the world of curves. For a lighter experience for children and babies, be sure to check out "F.A.S.T Baby" for simpler, touch-friendly spirals. Discover the beauty of mathematics and design. Let F.A.S.T inspire your creativity today!

About

Attracteur

Explore the captivating realm of mathematical attractors. This application reveals the inherent beauty of chaos through interactive visualizations. It's designed for anyone curious about the intricate patterns found in complex systems.

Highlights
  • Mathematical attractor exploration
  • Chaos theory visualization
  • Interactive learning
  • Educational content
  • Beautiful mathematical patterns
Features
Read full description

Discover the world of Attractor. Math is beautiful.

Screenshots

F.A.S.T4 screens
Attracteur4 screens

Verdict

The call

The clearest difference is price: F.A.S.T at Free against Attracteur's $2.99. F.A.S.T also leads on ratings volume (25 vs 1). Attracteur's advantage is rating (5.0 vs 4.6). On review sentiment, update cadence, ads 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

F.A.S.T is free to download; Attracteur costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Attracteur holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: F.A.S.T has 25 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

F.A.S.T ships an update every 19 months, Attracteur every 25 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
F.A.S.T versus Attracteur: the parameters behind the verdict, then further details
ParameterF.A.S.TAttracteur
PriceFree — better$2.99
Rating4.6 (25 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings25 — better1
Update frequencyEvery 19 months — betterEvery 25 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.6
Further details — not scored
Size4 MB3 MB
Age rating4+4+
DeveloperPhilippe ZaySylvain Lambert

Customer experience

F.A.S.T

All ratings23 ratings
Positive91.3%
Neutral8.7%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Attracteur

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

F.A.S.T

No in-app purchases

None

Attracteur

No in-app purchases

Questions

Is F.A.S.T free?
F.A.S.T is free to download, with no in-app purchases.
Is Attracteur free?
Attracteur costs $2.99, with no in-app purchases.
Which has better reviews, F.A.S.T or Attracteur?
Attracteur is rated higher. F.A.S.T averages 4.6 out of 5 from 25 ratings, while Attracteur averages 5.0 from 1 ratings.
Do F.A.S.T or Attracteur have ads?
Neither F.A.S.T nor Attracteur shows ads.
Which is updated more often, F.A.S.T or Attracteur?
F.A.S.T ships an update every 19 months, and Attracteur every 25 months. Most recently, F.A.S.T was updated on November 2, 2026 and Attracteur on November 3, 2026.

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