Comparison

Sauna Record vs 音波線香

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

Head to head
About

Sauna Record

Track your sauna sessions, water baths, and rest periods with detailed heart rate and environmental data. Analyze your records to optimize your sauna experience for better health and well-being. Integrates with Apple Watch and HealthKit for comprehensive health monitoring.

Highlights
  • Record sauna, water bath, and rest times
  • Track heart rate and estimated sweat volume
  • Save heart rate data to HealthKit
  • Sauna activity calendar and vibration notifications
  • Record sauna facility details and temperatures
  • Track weight, blood pressure, and BMI
  • Backup and share sauna records
Features
Read full description

Use your Apple Watch to record your sauna. Sauna Record records the time and heart rate for each set of sauna, water bath, and rest, and the estimated sweat volume in the sauna. By entering a sauna based on time and heart rate, you can enter a sauna in a healthy way. A pleasant sauna, water bath, and rest vary depending on the facility, season, and your own condition. The sauna record is used to record the time and heart rate, and finally, the temperature of the sauna room, the temperature of the water bath, the temperature of the outside air, and whether there is a wax or aufguss, etc. are entered. By looking at the recorded information, you will know what kind of sauna and how to enter the sauna is best for you and how to get closer to a better body condition. The following functions are available. Record the time and heart rate of each sauna, water bath, and rest. Save heart rate data to health care Heart rate graphing Sauna activity calendar Vibration notification function for the set time. A function that vibrates to notify the user according to the set heart rate A function that calculates the estimated amount of perspiration based on the set perspiration rate. A function to check the record of all past saunas entered by year, month, and day. Record the facilities and notes of saunas you have entered. Register your favorite saunas. Record whether or not you have been to a sauna with or without a löyly or aufguss. Record your evaluation of each sauna. Record the temperature of each sauna. Record your weight and blood pressure. BMI measurement based on height Record backup function Measured records can be viewed on the iPhone. Records can also be shared as images or text. We hope this application will contribute to the hot bath industry. Notes This app integrates with the HealthKit health app and uses heart rate data. The values in the app are for reference only. Please enjoy the sauna with your physical condition first. Please wear a non-metallic belt, cover the sauna with your hand, or apply a cold towel with water to prevent the AppleWatch from getting hot. Please use Apple Watch in the recommended environment.

About

音波線香

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◇Apple Watch1つで蚊をバリア!◇ 蚊が嫌がる周波数のモスキート音 【17000Hz】を収録! 簡単操作!ワンタップ! ・公園やキャンプなどで! ・庭のお手入れや散歩時 ・蚊が多いとき などなど... シーンは様々! ◎使い方 ・再生ボタンを押すと流れる ・四角のボタンでストップ この2つのボタンだけ!操作も簡単! ■注意 ・長時間の使用はお控えください。 ・頭痛や体調に異変を感じたら直ちに使用をやめてください。 ・このアプリは、効果を保証するものではありません。 (本アプリはiPhoneアプリのみではご利用になれません。Apple Watchが必要となります。)

Screenshots

Sauna Record4 screens

Verdict

The call

The clearest difference is price: 音波線香 at Free against Sauna Record's $3.99. 音波線香 also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (13.0 vs 15.0). On 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

音波線香 is free to download; Sauna Record costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sauna Record ships an update fortnightly, 音波線香 every 3 days. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Sauna Record versus 音波線香: the parameters behind the verdict, then further details
ParameterSauna Record音波線香
Price$3.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews54.5% of reviews—
Number of ratings1 — better—
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS15.013.0 — better
Further details — not scored
Size90 MB3 MB
Age rating4+4+
Developerkoichi soneharaKyota Sasaki

In-app purchases

None

Sauna Record

No in-app purchases

None

音波線香

No in-app purchases

Questions

Is Sauna Record free?
Sauna Record costs $3.99, with no in-app purchases.
Is 音波線香 free?
音波線香 is free to download, with no in-app purchases.
Do Sauna Record or 音波線香 have ads?
Neither Sauna Record nor 音波線香 shows ads.
Which is updated more often, Sauna Record or 音波線香?
Sauna Record ships an update fortnightly, and 音波線香 every 3 days. Most recently, Sauna Record was updated on October 30, 2026 and 音波線香 on October 27, 2026.

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