Comparison

SUNA vs Sauna Log

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

Sauna Log

Features
Read full description

Time sauna and steam sessions on Apple Watch or Garmin. Try 3 sessions free, then unlock unlimited tracking with one purchase. No subscription. Apple Watch app included with your iPhone download. Garmin requires the free Connect IQ companion and a compatible watch. Use your Apple Watch or Garmin to start a session fast, choose sauna or steam room, run your preferred timer presets, and monitor live heart rate plus active and total calories while you’re in the heat. When a timer ends, you can stop or extend immediately for the next round. Sauna Log records your session details, including: - Heat type: sauna or steam room - Session duration - Heart-rate data - Energy burned: active and total calories - Sauna temperature and humidity - Cold shower selection Remember your usual temperature and humidity settings, so recording regular sessions takes seconds. The iPhone app gives you quick control of timer presets, heart-rate thresholds, session history, and longer-term progress insights. See your heat time, active days, heart-rate response, calories, and sauna-versus-steam patterns across weeks, months, and years. Optional monthly reminders help you return to your progress and stay consistent.

Screenshots

SUNA4 screens
Sauna Log3 screens

Verdict

The call

The clearest difference is update cadence: Sauna Log at every 9 days against SUNA's monthly. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SUNA sells 3 in-app purchases, starting at $2.99 per month and Sauna Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SUNA ships an update monthly, Sauna Log every 9 days. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
SUNA versus Sauna Log: the parameters behind the verdict, then further details
ParameterSUNASauna Log
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS17.617.0 — better
Further details — not scored
Size25 MB11 MB
Age rating4+12+
DeveloperJan KrizBarnaby Wood

In-app purchases

3 purchases

SUNA

Subscriptions2
  • Suna+ Monthly$2.991 Month
  • Suna+ Yearly14 Days trial$22.991 Year
One-time1
  • Suna+$49.99
1 purchases

Sauna Log

One-time1
  • Sauna Log Unlock$2.99

Questions

Is SUNA free?
SUNA is free to download, with in-app purchases available.
Is Sauna Log free?
Sauna Log is free to download, with in-app purchases available.
Do SUNA or Sauna Log have ads?
Neither SUNA nor Sauna Log shows ads.
Which is updated more often, SUNA or Sauna Log?
SUNA ships an update monthly, and Sauna Log every 9 days. Most recently, SUNA was updated on October 31, 2026 and Sauna Log on October 31, 2026.

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