Get In, Work Hard, Get Out.

Most people spend too long in the gym. Long warm-ups. Long rest periods. Scrolling between sets. An hour becomes ninety minutes. Ninety minutes becomes something you skip when life gets busy.

Get In, Work Hard, Get Out is the antidote. Written by Toby Dunn — the developer behind ZipFit Go! — the book lays out the science and practice behind two methods proven to deliver real results in the least amount of time:

• Heart-rate targeted HIIT cardio — zone-based intervals that build cardiovascular fitness and burn fat without junk volume.
• One-set-to-failure strength training — each exercise taken to true muscular failure in one focused set, maximizing hypertrophy stimulus without unnecessary volume.

Combined, these two methods produce a complete workout in 30–40 minutes. The book explains the research, walks through how to implement both protocols, and connects training to the nutrition side — because fitness is always a two-front battle.

Pair it with CarboTracker

Training without tracking nutrition is guessing. CarboTracker closes the loop. While Get In, Work Hard, Get Out handles the workout side, CarboTracker handles what you eat — net carb logging, AI-powered quick-add, diet profile badges (Keto, Carnivore, Lion Diet), and daily habit streaks.

The combination is what Toby uses himself: efficient training, honest food tracking, no dogma. Results come from consistency, not complexity.