Comparison

Simple Sleep vs HIIT Note

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

Head to head
About

Simple Sleep

Easily monitor your sleep patterns with a minimalist tracker. Understand your rest duration, bedtime, and wake-up times with simple one-tap logging. Set sleep goals and view comprehensive insights, all while prioritizing your privacy with on-device data processing.

Highlights
  • Effortless one-tap sleep tracking
  • Comprehensive sleep insights and data
  • Personalized sleep goal setting
  • Battery-friendly design
  • Live Activities and Dynamic Island integration
  • Apple Health synchronization
  • Privacy-first, on-device data processing
Features
Read full description

Simple Sleep is the easiest way to track your sleep patterns without the clutter. Designed for simplicity and privacy, it helps you understand your rest with just one tap. Say goodbye to complex sleep trackers that drain your battery. Simple Sleep is designed to be lightweight and efficient, ensuring your phone lasts through the night. KEY FEATURES: Effortless Tracking Just tap "Sleep" when you go to bed and "Wake Up" when you rise. The beautiful dark interface (Dark Mode) is easy on your eyes at night. Comprehensive Insights Explore the brand new Insights tab to understand your habits better. View your average sleep duration, typical bedtime and wake-up times, and sleep regularity with detailed data spanning recent days, weeks, and months. Sleep Goals Set a personalized sleep goal and track your consistency. Easily monitor your progress and see exactly how many days you've successfully reached your target rest. Battery Friendly Our optimized tracking engine doesn't run heavy background processes. Your phone sleeps when you do. Live Activities & Dynamic Island See your sleep timer at a glance right from your Lock Screen or Dynamic Island (on iPhone 14 Pro and newer). Never wonder if you're still tracking. Apple Health Integration Seamlessly sync your sleep start and end times with Apple Health. Your data contributes to your overall health view without staying locked in our app. Track Interruptions Woke up in the middle of the night? Easily record wake-up events without stopping your session, giving you a clearer picture of your sleep quality. Privacy First We believe your sleep data belongs to you. Simple Sleep works entirely on-device. No accounts to create, no data tracking servers, and your data stays private. Download Simple Sleep today and start understanding your sleep better, simply.

About

HIIT Note

Features
Read full description

20秒動いて、10秒休む。 HIIT Noteなら、アプリを開いてすぐにタバタ式HIITを始められます。大きく見やすいタイマーと音声案内で、運動中に何度も画面を確認する必要はありません。 体重、週間HIIT目標、ジョギングや筋力トレーニングなどの運動記録も、ひとつのアプリですっきり管理できます。食事や筋トレの細かな数値まで入力せず、必要な記録だけを無理なく続けたい方に向けたアプリです。 無料で使える機能 ・ワンタップで始められるHIITタイマー ・ワーク、レスト、回数、準備時間の調整 ・大きく見やすいワーク/レスト表示 ・音と音声によるタイミング案内 ・体重と目標体重の記録 ・週間HIIT目標と今週の進捗 ・ジョギング、筋力トレーニング、ウォーキングなどの運動記録 ・7日/1か月の体重グラフ ・広告なし HIIT Note Premium ・種目、時間、セットを組み合わせたMy HIITの保存 ・よく行う運動をすばやく記録するMy Workout ・すべての運動履歴 ・長期的な体重と運動の進捗 基本のHIITタイマー、体重記録、週間目標、手入力の運動記録は、Premiumに登録しなくても利用できます。 毎日完璧に続けなくても大丈夫です。HIIT Noteは、運動を再開したい日に自然に戻れる、静かで使いやすい記録環境を目指しています。 本アプリは医療機器ではなく、診断、治療、医学的助言を提供するものではありません。体調に不安がある場合は、運動を始める前に医療専門家へご相談ください。 利用規約(Apple標準使用許諾契約): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Simple Sleep4 screens
HIIT Note4 screens

Verdict

The call

The clearest difference is ads: HIIT Note at none against Simple Sleep's shown. Simple Sleep's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, 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. Simple Sleep sells 4 in-app purchases, starting at $2.99 per month and HIIT Note sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Simple Sleep ships an update weekly, HIIT Note every 2 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 6 level
Simple Sleep versus HIIT Note: the parameters behind the verdict, then further details
ParameterSimple SleepHIIT Note
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size55 MB6 MB
Age rating4+4+
DeveloperANJI, LLCHiroki Okazaki

In-app purchases

4 purchases

Simple Sleep

Subscriptions3
  • Super Simple Sleep (1 Month)$2.991 Month
  • Super Simple Sleep (6 Months)3 Days trial$6.996 Months
  • Super Simple Sleep (1 Year)7 Days trial$9.691 Year
One-time1
  • Super Simple Sleep (Lifetime)$16.99
2 purchases

HIIT Note

Subscriptions2
  • HIIT Note Premium Monthly7 Days trial$0.991 Month
  • HIIT Note Premium Yearly$11.991 Year

Questions

Is Simple Sleep free?
Simple Sleep is free to download, with in-app purchases available.
Is HIIT Note free?
HIIT Note is free to download, with in-app purchases available.
Do Simple Sleep or HIIT Note have ads?
Simple Sleep shows ads; HIIT Note does not.
Which is updated more often, Simple Sleep or HIIT Note?
Simple Sleep ships an update weekly, and HIIT Note every 2 months. Most recently, Simple Sleep was updated on October 6, 2026 and HIIT Note on October 9, 2026.

Other comparisons