Zefro vs Cronometer
Cronometer is built for detailed nutrition tracking from lab-analysed food data, and logs exercise as calories burned. Zefro puts food, sets and reps, GPS runs and body in one log, with an AI that reads all of it and coaches in the same app.
Why people switch
- Sets, reps and GPS runs next to your meals
- An AI coach that sees both
- Coaching without a second product
| Feature | Zefro | Cronometer |
|---|---|---|
| Lifting, cardio and food in one app | YesOne log, one AI that reads it all | NoExercise as calories only |
| Free logging | YesNo limits | Yes |
| Ad-free | YesNo ads, ever | NoAds on the free tier |
| Barcode scanning | YesFree | YesFree |
| Food search | YesBy name or brand | YesVerified database |
| Custom foods and recipes | YesFree | YesFree |
| AI meal logging | YesPhoto, voice, text and label (Zefro+) | YesPhoto and voice (Gold) |
| AI coach | YesKnows your food, training and cardio (Zefro+) | YesCrono Coach (Gold) |
| Insights and weekly report | YesAI insights and weekly AI report (Zefro+) | YesMore with Gold |
| Strength logging | YesSets, reps, RPE, PRs, estimated 1RM | NoDuration and effort only |
| Body measurements | YesFree | Yes |
| Apple Health and Health Connect | YesBoth | YesBoth |
| Real coaching | YesPlans, check‑ins, chat, voice and video calls | Separate productCronometer Pro |
| Platforms | iPhone and Android | iPhone, Android, web, Apple Watch |
Cronometer is a trademark of its owner.