Forn Leið vs DoseRhythm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forn Leið
Achieve a healthier lifestyle through a holistic training approach that focuses on physical and mental well-being. This program helps you reconnect with your natural movement patterns to improve strength, breathing, mobility, and mental health without needing a gym.
- Holistic training approach
- Step-by-step daily programs
- Goal setting and progress tracking
- Individual coaching and feedback
- Specialized focus programs
- Offline sync
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Forn Leið is a space for those seeking a life lived with greater health, strength, awareness and purpose. Rooted in the philosophy of the Old Path, it cultivates growth through community, courses and experiences centred on movement, breath, rituals and mentorship. Inside you’ll find spaces such as Council of Antler, educational courses, guided practices and opportunities to deepen your understanding of yourself, your relationships and the natural world. Each offering is designed to support a more capable life, lived with clarity, responsibility and connection. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of Forn Leið is free of charge. Should you use Forn Leið app to access in-app content, we offer one of the following options: Subscription based plan(s) - a payment will be charged to your credit card through your App Store account. A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. One-time purchase based plan(s) - a payment will be charged to your credit card only once. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy
DoseRhythm
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DoseRhythm: Your Personal Bio-Protocol Companion Take control of your health protocols with DoseRhythm, the all-in-one dosing tracker built for the research compound community. Whether you're managing peptides, hormones (HRT), nootropics, or supplements, DoseRhythm keeps everything organized, on schedule, and completely FREE and completely private. TRACK YOUR PROTOCOLS Create detailed dosing protocols with compound names, dosages, administration routes, and custom cycling schedules. Log each dose with a single tap and see your daily progress at a glance. SMART DOSE CALCULATOR Never second-guess your math again. Built-in calculators handle reconstitution volumes and syringe dosing so you get accurate measurements every time. 200+ COMPOUND KNOWLEDGE BASE Browse the PeptideArc directory — over 200 research compounds across 7 categories including peptides, SARMs, SERMs, hormones & TRT, nootropics, longevity agents, and supplements. Each profile includes mechanisms, dosing guidelines, and research references. INSIGHTS & ADHERENCE Track your 30-day adherence rate, maintain dosing streaks, and review your protocol history. DoseRhythm helps you stay consistent and see the big picture. CYCLING SUPPORT Set up on/off cycling schedules for compounds that require them. DoseRhythm tracks where you are in each cycle automatically. YOUR DATA STAYS YOURS DoseRhythm is offline-first. All your health data is stored locally on your device — nothing is uploaded, shared, or tracked. No account required, no cloud sync, no compromises on privacy. Built by PeptideArc — the trusted resource for research compound education. Disclaimer: DoseRhythm is for informational and educational purposes only. It is not intended to provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, changing, or stopping any medication or health protocol. Do not make medical decisions based solely on this app.
Screenshots
Verdict
The clearest difference is in-app purchases: DoseRhythm at none against Forn Leið's 4. DoseRhythm also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price and device support 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. Forn Leið sells 4 one-off in-app purchases. DoseRhythm asks for nothing beyond the download.
Forn Leið ships an update every 3 months, DoseRhythm every 2 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.
| Parameter | Forn Leið | DoseRhythm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 102 MB | 46 MB |
| Age rating | 4+ | 17+ |
| Developer | Anders Clausen | Steve Olson |
In-app purchases
Forn Leið
- One Time Subscription$14.99
- NSP Menbership$99.99
- One Time Subscription$99.99
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- James Boylon$299.00
DoseRhythm
No in-app purchases









