
SimpleHIIT - 4 Minute Timer
Zero setup. Tap to start HIIT
Free · In‑App Purchases · Designed for iPad
4 MINUTES. SCIENTIFICALLY PROVEN. HIGHLY EFFECTIVE.
High-Intensity Interval Training (HIIT) is a scientifically proven workout method that delivers maximum results in minimum time. Research shows HIIT can deliver significant cardiovascular benefits in a fraction of the time of traditional cardio.
SimpleHIIT is the simplest way to practice this proven HIIT protocol.
---
WHY SIMPLEHIIT?
---
[1. ZERO CONFIGURATION]
Open the app. Tap to start. That's it.
- Preparation: 10 seconds
- Work: 20 seconds
- Rest: 10 seconds
- Sets: 8 rounds
- Total: about 4 minutes
This is the scientifically optimized HIIT protocol.
[2. MULTI-SENSORY FEEDBACK]
- Visual: Phase-specific colors (Green = Work, Orange = Rest)
- Audio: Clear alerts for phase transitions
- Haptic: Vibration feedback synced with countdown
Know exactly what to do without looking at your screen.
[3. MUSIC FRIENDLY]
Keep listening to your favorite music or podcasts.
Timer sounds coexist with your audio - no interruptions.
[4. BACKGROUND OPERATION]
Timer keeps running accurately even when using other apps.
Push notifications alert you to phase changes.
[5. BEAUTIFUL & INTUITIVE]
Clean dark-mode interface.
Large numbers and progress rings - visible even mid-workout.
---
PERFECT FOR
---
- Busy professionals with no time for the gym
- Remote workers fighting sedentary lifestyle
- Anyone tired of complicated fitness apps
- Morning routine optimizers
- Science-backed fitness seekers
---
HIIT BENEFITS
---
- Improves both aerobic and anaerobic capacity
- Maximizes fat burning efficiency
- Boosts cardiovascular health
- Increases metabolism
- Triggers afterburn effect (EPOC)
All in just 4 minutes.
---
PRICING
---
SimpleHIIT is free to use.
All workout features are available without any limitations.
- Remove Ads: Optional in-app purchase
- Support Development: Buy the developer a protein shake if you love the app
---
START NOW
---
Download. Tap. Transform.
Your 4 minutes start here.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
The developer, EGG STUDIO LIMITED LIABILITY CO, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- EGG STUDIO LIMITED LIABILITY CO
- Size
- 8.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Buy the Developer a Protein Shake $1.99
- Remove Ads $2.99
- Copyright
- © EggStudio LLC