SUNA vs Sauna Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SUNA
Track your sauna sessions, from heat and cooling to rest, using your Apple Watch and iPhone. Analyze your ritual's duration, phases, and heart rate to understand your rhythm and progress. Unlock deeper insights and full history with an optional subscription.
- Track heat, cooling, and rest phases
- Start sessions on Apple Watch
- View full ritual details on iPhone
- Analyze duration, phases, and heart rate
- Compare sessions with personal average
- Set notes, plans, and reminders
- Track journey levels and milestones
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SUNA Sauna as a ritual. Start on Apple Watch. Move through heat, cooling and rest. Come back to iPhone when you want the full story. On Apple Watch • Start with a tap or the Digital Crown • Stay with the three phases — no phone in the cabin • Optional haptics during heat • See the planned ritual before you begin On iPhone • This week's rhythm, time and rounds • Each ritual: duration, phases, Sauna Score, heart rate when Watch data is there • Compare with your own average • Notes, plans, reminders • Journey: levels and milestones SUNA is for presence and rhythm, not performance. It is not medical advice and not a medical device. Suna+ unlocks full history and deeper progress. Monthly, yearly, or lifetime. Suna+ is an optional auto-renewing monthly or yearly subscription. A one-time Suna+ Lifetime purchase is also available. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sunaprivacy.carrd.co/
Sauna Trainer
Enhance your sauna experience with guided sessions and performance tracking. Features a free timer and basic voice guidance, with optional Pro tools for advanced audio, history, and insights.
- Free sauna timer
- Basic voice guidance
- Full guided audio programs
- Saved session history
- Progress tracking
- Wellness insights
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Sauna Trainer helps you run calmer, more repeatable sauna sessions with a free sauna timer, Basic voice guidance, and optional Pro tools for deeper audio, tracking, history, and insights. The free version includes: • Sauna timer • Basic voice guidance • Session controls and in-session cues Sauna Trainer Pro is an optional one-time $3.99 purchase. There is no trial, subscription, or recurring charge. Sauna Trainer Pro unlocks for life: • Full guided audio programs • Additional coach voices • Ambient background audio • Biometric profile inputs • Saved session history • Calendar history • Progress tracking and wellness insights Your Pro purchase is tied to your Apple Account and can be restored on your devices. Payment starts only when you confirm with Apple. Sauna Trainer is a wellness app, not a medical device. Always use your own judgment in the sauna, consult your healthcare physician before beginning heat exposure if you have any health concerns, and leave immediately if you feel unwell. Privacy Policy: https://saunatrainer.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Sauna Trainer at 100% against SUNA's 0%. Sauna Trainer also leads on rating (5.0 vs 1.0) and update cadence (weekly vs monthly). On price, ratings volume, ads and in-app purchases 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. SUNA sells 3 in-app purchases, starting at $2.99 per month and Sauna Trainer sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Sauna Trainer holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of SUNA's written reviews are positive against 100% of Sauna Trainer's.
SUNA ships an update monthly, Sauna Trainer weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | SUNA | Sauna Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 149 MB |
| Age rating | 4+ | 12+ |
| Developer | Jan Kriz | Fractelle Inc |
Customer experience
SUNA
Sauna Trainer
In-app purchases
SUNA
- Suna+ Monthly$2.991 Month
- Suna+ Yearly14 Days trial$22.991 Year
- Suna+$49.99
Sauna Trainer
- Sauna Trainer Pro Monthly7 Days trial$3.991 Month









