| Price from | $139/mo | $0.42/mo |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 4 | 3 |
| Spec score · Fitness Nutrition Software | 8.6 (#5) | 7.9 (#20) |
| Integrations | FITTR's privacy policy says the app can read steps and sleep data from Apple HealthKit and handles Google Fit and Health Connect data, subject to user permissions. | The privacy policy names Stripe, Meta/WhatsApp, Anthropic Claude, Supabase, Vercel, and Railway as third-party service providers. |
| Personal coaching | Its fitness and nutrition coaching includes personalised training plans, weekly coach calls and nutrition plans tailored to a user's lifestyle. | Sunn remembers user preferences, patterns, and goals to personalize its coaching and nudges. |
| Progress tracking | Users can track calories, steps, body measurements and progress over time. | The site lists progress charts in chat for macros, weekly trends, and weight, plus a weekly pattern review. |
| Security | FITTR says chat messages, photos, videos and documents are stored encrypted on its servers and that its developers do not access user data. | The privacy policy says Sunn uses TLS/SSL encryption in transit, encrypted database connections, and access controls for authorized personnel. |
| Support | FITTR lists [email protected] and the phone number 08888003430 for contact. | The founder says he replies personally to feedback in the chat, and the site lists [email protected] for contact. |
| Wearables | FITTR says its HART ring tracks sleep, recovery, heart-rate variability, stress and activity, while Sense Pro tracks more than 50 body-composition metrics. | Apple Health, Fitbit, and Oura do not yet sync; users can tell Sunn about activity in chat, and wearable sync is on the roadmap. |