Tether vs Upswell Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tether
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Living with chronic sensitivities can feel overwhelming, but you do not have to navigate it alone. Tether is a personal health companion designed for anyone dealing with environmental triggers, food sensitivities, nervous system overload, or complex chronic symptoms. Track your experiences, identify patterns, and receive personalized AI-powered insights, all in one place. YOUR PERSONAL HEALTH JOURNAL Log symptoms, foods, supplements, exposures, events, and recovery activities in seconds. Tether’s smart journal helps connect the dots between what you eat, what you encounter, and how you feel. CORTEX, YOUR AI HEALTH COMPANION Ask Cortex anything about your health journey. Powered by advanced AI and grounded in your personal data, Cortex offers thoughtful, informed guidance tailored to your specific triggers, safe items, and sensitivity profile. It is like having a wise friend who understands biology and takes your symptoms seriously. FOOD SCANNER Snap a photo of any food label or ingredient list. Tether analyzes it against your personal trigger and safe item lists, flagging potential concerns and suggesting alternatives. HEALING PROTOCOL LIBRARY Access a curated library of evidence-informed protocols across three tiers: Immediate Relief, Maintenance Routines, and Deep Repair Strategies. From breathwork to vagal toning to gut support, find guided tools that meet you where you are. SENSITIVITY PROFILE Build a living map of your body’s responses. Track triggers, safe items, and items you are testing. Watch your profile evolve as you learn what works for your unique biology. SYSTEM CHECK Take a guided assessment to explore which body systems may be contributing to your symptoms, including immune balance, nervous system regulation, histamine pathways, and gut health. INSIGHTS AND PATTERNS Tether analyzes your journal entries to surface patterns you might otherwise miss. See connections between your symptoms, triggers, exposures, and daily habits over time. ALSO INCLUDED: • Daily streak tracking to build consistent logging habits • Supplement tracker • Save and bookmark healing protocols • Saved food scan results for quick reference • Optional daily affirmations • Dark mode • Secure cloud backup when signed in • Data export and full data control Tether is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Upswell Studio
Easily browse and purchase class packs or membership options. View the schedule, filter by class type, and manage your reservations to stay organized and committed to your fitness goals.
- Purchase class packs and memberships
- Browse class schedule
- Filter classes by type
- Manage class reservations
- Track upcoming classes
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Features: -Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options -View our schedule Filter classes by type to find the perfect fit for your routine. -Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals
Screenshots
Verdict
The clearest difference is in-app purchases: Upswell Studio at none against Tether's 3. Upswell Studio also leads on update cadence (every 3 weeks vs every 2 months). Tether's advantage is device support. On price 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. Tether sells 3 in-app purchases, starting at $4.99 per month. Upswell Studio asks for nothing beyond the download.
Tether ships an update every 2 months, Upswell Studio every 3 weeks. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.
| Parameter | Tether | Upswell Studio |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | — |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 39 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | Zachary Lyons | Upswell Studio, Inc. |
In-app purchases
Tether
- Tether Premium$4.991 Month
- Tether Premium$39.991 Year
- Tether Premium$79.99
Upswell Studio
No in-app purchases









