Sinister Kettlebell

The dedicated tracker for Pavel Tsatsouline's Simple & Sinister kettlebell program.

No generic workout templates. No bloated feature lists. Sinister Kettlebell does one thing and does it right: it helps you run S&S exactly as the program prescribes, track every session, and see your progression over time.

WHAT IT DOES

- Times your swing sets and rest periods automatically

- Tracks one-arm swings and Turkish get-ups with left/right alternation

- Logs weight, reps, and completion for every session

- Charts your strength progression across sessions — see your path from Simple to Sinister

- Stores your full workout history with times, weights, and totals

NEW IN VERSION 3.0

- Apple Watch app — time sets and log workouts from your wrist

- Redesigned progress charts with rolling averages and trend lines

- Improved history view with detailed session breakdowns

- Streamlined UI across iPhone, iPad, and Apple Watch

BUILT FOR THE PROGRAM

This app follows the Simple & Sinister protocol. 10 sets of 10 one-arm swings. 10 Turkish get-ups. Timed rest periods. It knows the structure so you can focus on the work.

Whether you're working toward the Simple standard or chasing Sinister, the progress charts show exactly where you are and how you're trending.

SIMPLE BY DESIGN

No account required. No social features. No ads. No subscriptions. Just open the app, start your workout, and close it when you're done. Your data stays on your device and syncs via iCloud.

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Built by a kettlebell practitioner, for kettlebell practitioners.