PerturbLab

Physics chaos experiments

Free · Designed for iPad. Not verified for macOS.

Explore 100+ local simulations, now with Phase Transitions for percolation, magnetization, epidemics, traffic, synchronization, and collapse thresholds. PerturbLab is a clean visual lab for observing how small rules and tiny parameter changes can grow into visibly different behavior. Run paired perturbation experiments across chaotic flows, celestial motion, pendulums, maps, reaction fields, cellular systems, fractals, particles, billiards, and oscillator networks. Each paired experiment shows a baseline run and a perturbed run, so you can compare trajectories, switch to overlay mode, adjust perturbation strength, change speed, randomize seeds, and watch divergence unfold. The library also includes Rule Emergence experiments: single-system rule runs where simple deterministic steps form paths, grid textures, waves, traffic patterns, quasi-periodic traces, and long-lived non-repeating structure. The library now adds Phase Transitions: sweep-based threshold experiments where percolation, magnetization, epidemic spread, traffic, synchronization, network collapse, and consensus systems change sharply as a control parameter crosses a critical region. The experiment library includes 100+ local simulations, including 34 Rule Emergence systems and 15 Phase Transitions systems. Examples include Langton's Ant, Rotor-router Walk, Wireworld Signals, chip-firing fields, Percolation Threshold, Ising Magnetization, Epidemic Threshold, Traffic Jam Transition, Kuramoto Locking, Bootstrap Percolation, and K-Core Network Collapse. PerturbLab is designed for visual exploration rather than heavy equations. It keeps the interface quiet and gives most of the screen to motion. The app works without an account, ads, analytics, subscriptions, in-app purchases, external payment links, or tracking SDKs. Simulations and preferences stay on your device. Privacy Policy: https://anymk.app/privacy/perturblab

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, ZHENZHOU SHI, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    ZHENZHOU SHI
    Size
    2.9 MB
    Category
    Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and Simplified Chinese
    Age Rating
    4+
    Copyright
    © 2026 Zhenzhou Shi