Sanno vs Tarn.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sanno
This app offers personalized health insights for individuals managing chronic conditions, particularly in gut, metabolic, autoimmune, and female-specific health. It tracks diet, stress, sleep, and activity from wearables to identify potential flare patterns, and allows secure data sharing with clinicians.
- Personalized health insights
- Chronic condition management
- Wearable data integration
- Diet, stress, sleep, activity tracking
- Flare pattern identification
- Clinician data sharing
- Evidence-based guidelines
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SANNO is the platform for personalised health insights for you while working with clinicians. The app is focused on helping anyone with chronic conditions, especially in gut health, metabolic health, autoimmune conditions and female-specific conditions. SANNO helps you make progress efficiently and find patterns for your health considering patient-reported data and wearable insights through a free app. This holistic approach tracks diet, stress, sleep, and activity from wearable data identifying potential flare patterns. Your data is safe with us and we don’t sell any data. You have full control whether you want to share your tracking with your clinician for better clinician assessment. SANNO is here for you! Are you ready? HOW SANNO WORKS: Science: Sanno provides evidence-based guidelines and scientifically-proven protocols based on your profile. Please note this is not medical advice, only a first-line approach. Clinicians: Book consultations with experts who can follow your progress and provide guidance through the SANNO app. Tracker: Identify triggers to your symptoms and correlations with your nutrition pattern and stress levels. You can connect your wearable devices to have a 360-overview of your health. Technology: We continuously innovate and improve our algorithms to ensure the best personalised experience to help you feel better. We follow GDPR standards as well as cyber-security protocols. Apple Health: SANNO works with your iPhone, Apple Watch, and Apple Health data, making set up simple. Download SANNO for free today and improve your nutrition, energy and immunity for good! Please seek doctor’s advice in addition to using this app and before making any medical decisions.
Tarn.
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A private health journal that puts your privacy first. YOUR DATA, YOUR DEVICE Everything you log stays on your phone. No accounts. No cloud. No servers. Your health data is encrypted with a PIN only you know. SIMPLE TRACKING • Log daily entries with minimal effort • Track patterns over time • View predictions based on your history • Add notes and custom symptoms BUILT FOR PRIVACY • All data encrypted on your device • No internet connection required • No analytics or tracking • Open source - verify our claims yourself SECURE BY DESIGN • PIN protection with automatic data protection • Optional safety PIN for emergencies • Choose your app icon for discretion Whether you're tracking for health awareness, planning purposes, or personal records, Tarn gives you a simple, private way to understand your patterns without compromising your data. No subscriptions. No ads. No data collection. Just a journal that respects your privacy.
Screenshots
Verdict
The clearest difference is in-app purchases: Tarn. at none against Sanno's 1. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sanno sells 1 in-app purchase, starting at $6.49 per month. Tarn. asks for nothing beyond the download.
| Parameter | Sanno | Tarn. |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 47 MB | 42 MB |
| Age rating | 17+ | 4+ |
| Developer | Sanno | suite 110 llc |
In-app purchases
Sanno
- Monthly Subscription$6.491 Month
Tarn.
No in-app purchases









