Simple Timer AI

Guided interval timing

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Automate your interval training with adaptive audio coaching and effortless workout setup. -- Watch apps coming soon! Simple Timer AI keeps interval sessions on track. Build multi-round workouts with work, rest, warmup, cooldown, meditation, and strength (lifting) steps; set time in seconds or minutes; and with a compatible Bluetooth heart rate monitor, assign zones per step so cues match your effort. The timer engine handles transitions, countdown beeps, optional repeating chimes, and vibration where supported. On iPhone, Live Activities show progress on the Lock Screen and Dynamic Island. Route audio through AirPods, a speaker, or your car. FREE (included; no subscription) • Core interval timing, rounds/steps, step announcements, and vibration where supported • Live BPM and zones from supported sensors, plus zone-based guidance (see in-app details) • Save up to five timers (limits can change; check the app for current plan details) SIMPLE TIMER PRO (paid in-app subscription; sold separately; auto-renews) Not included with the free download. Pro unlocks: • Custom BPM targets per step (where available) • Richer adaptive coaching using zone/BPM, time in step, and workout context (on-device rules + curated phrases; not a live chat replying every second) • Optional cloud/premium voices via third-party text-to-speech when signed in (Pro-gated; rate limits apply) • Offline timer downloads (prepare while online) with cached coaching audio where offered • AI-assisted timer creation from a description • Unlimited saved timers and expanded workout history/exports versus free Web companion: design and manage timers at https://simple-timer-ai.com, then run them signed in on your phone. Tag sessions (running, cycling, strength, etc.) where the platform supports it. Optional AI coaching preload for offline packs is available only where labeled Pro in the app. Privacy Policy: https://simple-timer-ai.com/privacy Terms of Service: https://simple-timer-ai.com/terms

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The developer, BARRY VELASQUEZ, 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

    Accessibility

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

    Information

    Seller
    • BARRY VELASQUEZ
    Size
    • 42.4 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Location
    • This app may use your location even when it isn’t open, which can decrease device battery life.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    • Premium Annual $59.99
    • Premium Monthly $6.99
    • Learn More
    Copyright
    • © Copyright 2025 Barry Velasquez. All rights reserved.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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