Automatic set detection
Riven detects when a set starts by reading motion, heart, and rhythm from the Apple Watch, so the workout log can begin without manual input.
Riven
Riven is an Apple Watch workout app that automatically detects exercises, counts reps, and tracks muscle failure during strength training. It helps lifters keep their phone away while logging sets, rep velocity, and workout output from the wrist.
Overview
Riven is an Apple Watch workout app that automatically detects exercises, counts reps, and tracks muscle failure during strength training. The product is built around wrist-based sensing, so the watch can recognize a set, identify the movement, and log the work without manual tapping or extra equipment.
The core promise is to help lifters focus on the lift rather than the log. Riven uses motion, heart, and rhythm data from the watch to show rep velocity, estimate true failure, and summarize how hard each muscle group was worked after the session.
Core features
Exercise recognition on the wrist
The watch face identifies the lift in progress, with the page specifically showing bench press as an example, and starts logging without taps or menus.
Rep counting and rep-level logging
Each rep is counted automatically while velocity and heart rate are recorded for every rep.
Failure tracking
Riven estimates whether the set reached true muscle failure and surfaces a failure score so lifters can judge how close they were to the limit.
Per-muscle workout summary
After the workout, Riven shows results by muscle group and by set, helping users see where training load landed across the session.
Watch-only hardware setup
The product is built to run on the Apple Watch without straps, clips, cameras, or EMG patches, reducing the need for extra hardware.
Common use cases
Hands-free lifting sessions
Use Riven during barbell or dumbbell sessions when you want sets and reps tracked automatically without reaching for your phone between movements.
Training closer to failure
Use the failure score and rep-velocity readouts to judge whether a set was actually close to muscle failure instead of relying only on perceived effort.
Post-workout analysis
Use the per-muscle summary after a push day or similar workout to review which muscle groups were worked hardest across the session.
Minimal-equipment tracking
Use the app when you want to keep the workout flow simple and avoid straps, clips, cameras, or other accessories that need setup or adjustment.
Solo Apple Watch logging
Use Riven as an individual training log on Apple Watch when you want automatic session capture on the wrist and are not looking for team or coach workflows.
Pros and Cons
Pros
- Automatically detects exercise start and identifies movements without manual logging.
- Counts reps and records velocity and heart rate at the rep level.
- Estimates true muscle failure, which can help users judge whether a set was taken close enough to the limit.
- Runs entirely on the watch with no straps, clips, cameras, or other external sensors.
- Shows post-workout breakdowns by muscle group and set, giving more context than a simple rep total.
Cons
- The source only confirms Apple Watch support and an iPhone companion; broader platform support is not described.
- Riven is early-access software, and the pricing page does not yet provide full plan or subscription details.
- The product copy is focused on strength training, so it does not explain support for other workout styles.
FAQ
What devices does Riven work on?
Riven is designed for Apple Watch and includes an iPhone companion, but the source only confirms watchOS 10+ support. It does not describe other platform support.
How much setup does Riven need?
The product copy says Riven runs entirely on your wrist, with no setup, straps, clips, cameras, or other external sensors required.
What does Riven track during a workout?
Riven reads motion, heart, and rhythm from the Apple Watch to detect sets, recognize exercises such as bench press, count reps, and estimate failure.
Is Riven free?
The pricing page shows an App Store download prompt and says Riven is free during early access. The source does not provide plan details beyond that.
Can Riven be used by teams or coaches?
The source does not describe team features, sharing, or multi-user accounts, so Riven appears positioned as an individual training app rather than a team product.
Quick Facts
- Category
- Fitness / workout tracking
- Platform
- watchOS 10+ with iPhone companion
- Primary device
- Apple Watch
- Pricing
- Free during early access
- Website
- riven.fit
- Primary use
- Strength training and failure tracking
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