Report updated May 4, 2026
HIIT 4x4
For fitness enthusiasts looking for a structured, heart-rate-monitored interval training routine on their Apple Watch.
Overview · Full Intel report in progress
HIIT 4x4 is an established health & fitness app that is a paid app. With a 1.0/5 rating from 1 reviews, it shows polarized user reception.
What is HIIT 4x4?
Current Momentum
v1.08 · 19mo ago
ZombieLast updated 591d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Are The Key Features?
Provides a guided workout structure consisting of a 10-minute warmup followed by four cycles of 4-minute high-intensity and 3-minute low-intensity intervals.
Visualizes current heart rate against target intensity zones on the Apple Watch interface.
Issues warning chimes when the user's heart rate falls outside of the designated interval target range.
Allows users to calculate their Maximum Heart Rate using the 220-age formula or by observing peak heart rate during all-out exercise.
How much does it cost?
Who Built It?
Eastridge Technology
Providing specialized utility software for niche mapping, fitness tracking, and classic card gaming. Focused on standalone functionality.
Portfolio
10
Apps
What other apps does Eastridge Technology make?
Explore the full Eastridge Technology report
Portfolio breakdown, audience, momentum, and every app published by Eastridge Technology.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for HIIT 4x4?
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for HIIT 4x4
Key Takeaways
The app provides a specific interval training protocol, though users have reported concerns regarding UI distraction and billing clarity.
Where Is It Heading?
Trend analysis
Available very soon