Comparison

Sleep Analytics vs ホワイトノイズ・環境音・睡眠BGM (音凪)

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

Head to head
About

Sleep Analytics

Features
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Sleep Analytics explains the sleep your Apple Watch or iPhone already records. It turns Apple Health data into a clear sleep score, stages, HRV, resting heart rate, sleep debt and long-term trends — privately on your device. NO EXTRA TRACKER, NO MANUAL LOG Keep using the device that already records your sleep. Sleep Analytics reads the available data and organizes it automatically, with no second wearable and no bedtime diary. UNDERSTAND EACH NIGHT • A transparent sleep score based on duration, efficiency, timing, awakenings, stages, HRV and regularity • Deep, light/core, REM and awake stages in a clear hypnogram • Overnight HRV and resting heart rate compared with your own history • Naps, sleep debt and bedtime consistency SEE THE PATTERN • Weekly, monthly and yearly history • Sleep score, stage composition and regularity trends • Exercise and sleep comparisons when enough data is available • CSV and JSON export of your sleep history PRIVATE BY DESIGN Analysis happens on your device. No account, cloud upload, advertising or sale of health data. PREMIUM Full access requires a paid plan after the free trial. Available plans and prices are shown by the store and can be managed in your account settings. IMPORTANT — MEDICAL DISCLAIMER Sleep Analytics is a wellness app, not a medical device. It does not diagnose, treat, cure or prevent any medical condition. Its scores and trends are informational estimates based on consumer-device data. Consult a healthcare professional for medical advice, diagnosis or treatment, and if you have symptoms that concern you. Privacy Policy: https://sleep.analyticszone.app/en/privacy/ Terms of Use: https://sleep.analyticszone.app/en/terms/

About

ホワイトノイズ・環境音・睡眠BGM (音凪)

Features
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雨、焚き火、深夜のピアノ——好きな音を重ねて、眠るまで流しておく。 音凪は、環境音・ASMR・Lo-fi BGM を重ねて、自分だけの静けさを作る音源アプリ。38音源は無料で使え、一度の購入(買い切り)で全123音源が使えるようになります。 ■ こんな使い方 ・雨音+焚き火+ブラウンノイズを重ねて、そのまま寝落ち ・カフェBGM+タイピングASMRを作業用BGMにして集中 ・風鈴・梵鐘・尺八の和音源に雨を重ねて、和室で過ごす夜のような凪を ・ホワイトノイズ/ピンクノイズ/ブラウンノイズで、静かに過ごしたい夜の休憩に ・スリープタイマー付きだから、聴きながらそのまま眠っても大丈夫 ■ 収録音源:全123種 ・環境音 76種(雨音・波の音・虫の声・焚き火・和の音14種など) ・Lo-fi BGM 20曲(うち12曲は生成AIを使用して制作) ・ASMR 27種(紙・タッピング・ブラッシング・水音など) ・ホワイトノイズ/ピンクノイズ/ブラウンノイズも収録 ■ 料金 アカウント登録なしで始められます。38音源とプリセット3件は無料で使え、起動時に広告が表示されます。一度の購入(買い切り)で全123音源とプリセット無制限が使えるようになり、広告も表示されなくなります。月額課金なし。 ■ オフラインで再生 ダウンロード済みの音源は通信なしで再生できます。移動中や電波の悪い場所でも、快眠・集中用のBGMとして使えます。 ■ プライバシー アカウント登録は不要です。アプリの改善のため匿名の利用データを解析サービスへ送信します(氏名・連絡先等は含みません)。無料版では広告配信のため端末の識別子情報が外部ネットワークへ送信される場合があります(はじめてご利用いただく際、広告が表示される前に許可を確認するダイアログを表示)。一度の購入(買い切り)で、広告のための送信は発生しなくなります。

Screenshots

Sleep Analytics4 screens
ホワイトノイズ・環境音・睡眠BGM (音凪)4 screens

Verdict

The call

The clearest difference is ads: Sleep Analytics at none against ホワイトノイズ・環境音・睡眠BGM (音凪)'s shown. Sleep Analytics also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sleep Analytics sells 2 in-app purchases, starting at $3.99 per month and ホワイトノイズ・環境音・睡眠BGM (音凪) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sleep Analytics ships an update every 2 weeks, ホワイトノイズ・環境音・睡眠BGM (音凪) fortnightly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 3 level
Sleep Analytics versus ホワイトノイズ・環境音・睡眠BGM (音凪): the parameters behind the verdict, then further details
ParameterSleep Analyticsホワイトノイズ・環境音・睡眠BGM (音凪)
PriceFreeFree
Update frequencyEvery 2 weeks — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size58 MB147 MB
Age rating4+4+
DeveloperArnoHealth SLhiroaki suzuki

In-app purchases

2 purchases

Sleep Analytics

Subscriptions2
  • Premium Monthly$3.991 Month
  • Premium Annual$34.991 Year
1 purchases

ホワイトノイズ・環境音・睡眠BGM (音凪)

One-time1
  • Otonagi Pro$3.99

Questions

Is Sleep Analytics free?
Sleep Analytics is free to download, with in-app purchases available.
Is ホワイトノイズ・環境音・睡眠BGM (音凪) free?
ホワイトノイズ・環境音・睡眠BGM (音凪) is free to download, with in-app purchases available.
Do Sleep Analytics or ホワイトノイズ・環境音・睡眠BGM (音凪) have ads?
ホワイトノイズ・環境音・睡眠BGM (音凪) shows ads; Sleep Analytics does not.
Which is updated more often, Sleep Analytics or ホワイトノイズ・環境音・睡眠BGM (音凪)?
Sleep Analytics ships an update every 2 weeks, and ホワイトノイズ・環境音・睡眠BGM (音凪) fortnightly. Most recently, Sleep Analytics was updated on October 13, 2026 and ホワイトノイズ・環境音・睡眠BGM (音凪) on October 2, 2026.

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