ENIX vs. Hevy (2026): Which Workout Tracker Wins for Calisthenics, Streetlifting & Hybrid Athletes?

Hevy was designed around traditional gym equipment—barbells, dumbbells, and selectorized machines—where external weight is the only load variable. When a calisthenics or hybrid athlete uses a generic gym tracker to log Pull-Ups, Dips, Planche holds, or Front Lever progressions, three structural problems immediately appear.

First, logging +30 kg on a dip belt inside a standard Pull-Up entry either corrupts your pure bodyweight rep personal records or forces you to create unlinked custom exercises. Second, standard gym apps apply the Epley 1RM formula to the external plate alone (+30 kg × 5 reps = 35 kg 1RM), ignoring the 75–85 kg of human bodyweight your lats and pecs just moved through space. ENIX solves both problems natively: every movement is assigned one of 7 strict biomechanical logging types, and Weighted Pull-Ups and Dips automatically calculate Total System Load (`Bodyweight + External Belt Weight`).

In Hevy, exercises live in a flat alphabetical list filtered by muscle group. An athlete working toward a Straddle Planche, Full Front Lever, Strict Ring Muscle-Up, or Freestanding Handstand Push-Up receives zero guidance on how exercises connect biomechanically or when their tendons are conditioned to advance.

In ENIX, the entire exercise library is wired into 35 proprietary progression families and 8 interactive Directed Acyclic Graph (DAG) Skill Trees spanning Levels 1 through 17. Clicking any node reveals its quantitative Prerequisite Readiness Gate (e.g., '4 × 15s Tuck Planche + +50% BW Weighted Dip'), its Mastery Unlock Standard, and automatic promotion prompts when your logged workout sets hit that threshold.

Static calisthenics skills—Planche, Front Lever, Back Lever, Iron Cross, Human Flag, L-Sit, V-Sit, and Handstand—are measured in seconds of high-torque isometric tension, not reps. Because your eyes are fixed on the floor, rings, or ceiling while inverted, looking at a phone screen ruins cervical alignment and balance.

ENIX pairs a dedicated Isometric Hold Timer directly into every `DURATION` and `WEIGHTED_DURATION` set row. With a configurable 3-second preparation countdown, CoreHaptics 1-second cadence ticks, 5-second milestone pulses, and Dynamic Island / Lock Screen Live Activity rendering, you can execute exact 12-second holds completely eyes-free.