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FeintworkSee the apps
Hands wrapped for training, lit hard against a black background.

Training tools for striking, strength & hypertrophy, and nutrition.

Built for fighters, and they work for anyone who lifts or trains. Each does one job, runs offline, and keeps your data on your phone.

See the toolsRead the method

What Feintwork covers

A worn leather heavy bag hanging in front of a wall of old fight posters.

Striking

Muay Thai · Boxing

4 tools
A lifter mid-squat under a loaded barbell in a rack.

Strength & hypertrophy

Any training background

1 tool
A tub of protein powder tipped over beside a full scoop on a dark reflective surface.Planned

Nutrition

In development

In development. It will appear here when it ships.

Five tools for the work. Two ready today.

Logging, drilling, cutting, grading, and building strength. Each app does one job, runs on your phone, and is built on published research. Iron Corner and Callout are out now, free to start. The other three are still in development.

LiveFree · Pro $5/mo

Iron Corner

Evidence-based hypertrophy and strength. Plan your mesocycles on volume landmarks drawn from the research, autoregulate every muscle from your weekly feedback, and learn the why behind each set — fully offline.

  • Mesocycle planning
  • RIR autoregulation
  • Volume landmarks
  • Exercise database
  • Offline-first
Explore Iron Corner Try the demo
LiveFree

Callout

Build your combinations, then let Callout call them out loud over timed rounds — the round timer that drills you when you’re training alone.

Explore Callout Try the demo
In development

Roundlog

The daily-driver training log for fighters. Capture every session — rounds, pad work, drilling, sparring — and the notes you’ll actually re-read before the next one. Clean, fast, and entirely on your phone.

See where Roundlog is
In development

Cutman

Plan the camp and make weight without the scramble. Map your cut backward from weigh-in, track daily weigh-ins, and keep opponent notes in one place.

  • Camp planner
  • Cut timeline
  • Daily weigh-ins
See where Cutman is
In development

Beltline

Track where you are and what’s next — attendance, a technique checklist, and grading prep, so you walk into your test knowing you’re ready.

  • Attendance
  • Technique checklist
  • Grading prep
  • Progress over time
See where Beltline is

The method

Every claim, graded.

These apps prescribe numbers — how many sets, how close to failure, how fast to cut. Each one carries a tier saying how strong the evidence behind it actually is, down to the paper it came from.

8
Principles
3
Evidence tiers
6
Myths corrected
22
Cited sources
  • AStrong evidence
  • BModerate evidence
  • CPractice / expert

Open one

Start training tonight.

Iron Corner and Callout are out now — free to start, straight in your browser. No account, no install.

Prefer a look first? Both have a playable demo with sample data. The other three are still in development.

Works offlineNo account neededYour data stays on your phone