Ivy Review Is It Useful for Understanding Processed Foods?
A source-reviewed Ivy Processed Food Scanner review of dated prices, store ratings, privacy labels and what its scores do not prove.
Topic
health-data
11 articles
Recovery Scores vs How You Feel: When Data Helps and When It Does Not
A source-reviewed guide to recovery score interpretation: what wearable composites actually mix, what HRV papers measured, and when to trust how you f...
Food Scoring Apps Accuracy: What a Single Score Can Hide
Food scoring apps accuracy is a design question, not a trophy. A single number can rank sugar and salt while hiding processing, portion and the rest o...
Journaling App Privacy: What Sensitive Data Can They Hold?
Journaling app privacy is not the same as a clinic file. Entries, mood tags and backups can sit outside HIPAA. Read labels, export paths and deletion...
Smart-Trainer Power Data: Accuracy, Calibration and Why Numbers Differ
A source-reviewed look at smart trainer power accuracy: peer-reviewed KICKR and Tacx papers, manufacturer ±1–2% claims, and why two devices disagree.
How Walking Apps Estimate Calories, Distance and Pace
Walking app calorie accuracy is an estimate stacked on GPS or steps. Distance can look close. Energy figures often wander. Here is what validation stu...
Bearable Review Symptom, Mood and Habit Tracking Explained
A source-reviewed Bearable review of dated store ratings, listed prices, privacy claims and what remains unverified. Not a hands-on lab test.
Mood Tracking Evidence: Useful Patterns or Too Much Self-Monitoring?
Mood tracking evidence is mixed. Logs can aid recall and therapy talk. Alone they rarely treat. For some people, checking can feed rumination.
How iOS Screen Time and Android Digital Wellbeing Data Differ
iOS Screen Time vs Android Digital Wellbeing is a data-method split: what each OS counts, who can see it, and what Apple and Google say they do not co...
Why Two Sleep Trackers Can Give Different Scores for the Same Night
Sleep score differences are usually a clash of sensors and score recipes, not proof that one night failed. Here is what lab papers actually compare.
Processed Food Scanner Evidence: NOVA, Additives and Limits
Processed food scanner evidence is thinner than the aisle confidence it sells. NOVA is useful and inconsistent. Additives are not a personal risk colo...