Whey to Go - Calorie & Gym Log - Private food & macro tracker
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A private nutrition and training tracker for iPhone. Scan a barcode, log meals, plan workouts, and follow it all on your wrist with the Apple Watch app and two-way Apple Health sync.
No account, no servers — your data stays on your phone and syncs only to your own devices via iCloud. Buy it once, own it for life.
And it adapts: miss a week and it recalculates what your body is really doing, then adjusts your targets so one bad week doesn't end the plan.

Replies
Honestly love that it adapts when you miss a week, most trackers just guilt trip you. The Apple Watch sync sounds super smooth too.
The no-account, buy-once approach is exactly what I've been looking for. One thing I'd love to see is a quick way to log water intake right from the Watch app, maybe with a complication on the main screen so it's just one tap to add a glass during a workout.
Love the simplicity of the app and how it's an "all in one" for nutrition, hydration and workouts. I'm about to start training for a marathon and will have to make sure I'm hitting all macros (and all runs :D), so excited to give this a try!
To your question on pricing: For productivity trackers (I'm including this in the category, even if it's not a 100% match) I am usually fine with a one time lifetime fee as the core offering will stay consistent over time. You may want to consider some location based pricing adjustments (the Big Mac index can be a good reference)