Comparison

Sleep Note vs Sleep Memo

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

Head to head
About

Sleep Note

Features
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シンプルな睡眠記録アプリ「Sleep Note」 毎朝の睡眠を簡単に記録するだけ。 睡眠時間や質の傾向がひと目でわかるから、より良い睡眠習慣を目指せます。 【主な機能】 ・夜間睡眠の記録(睡眠時間・質・中途覚醒) ・昼寝の記録 ・週間・月間の睡眠グラフ ・目標睡眠時間の設定 ・リマインダー通知 【こんな方におすすめ】 ・睡眠の記録を習慣化したい方 ・自分の睡眠パターンを把握したい方 ・シンプルに睡眠を管理したい方 余計な機能は一切なし。 シンプルだから続けられる、新しい睡眠記録アプリです。

About

Sleep Memo

Features
Read full description

Sleep Memo is an app that keeps your log entirely on your device for keeping a simple record of your nightly sleep. Just tap in the time you went to bed and the time you woke up, and your sleep duration is calculated automatically. Add a quality rating (1-5) and a short note to look back on your own rhythm. ■ Quick to log Pick your bedtime and wake time. Late nights and early mornings that cross midnight are handled correctly. Quality is a simple 1-5, and the note is optional. ■ Last night at a glance The home screen shows last night's sleep duration and quality, plus your average for this week. ■ Charts of your rhythm See weekly sleep hours as a bar chart and a breakdown of your quality ratings, so you can spot your own trends over time. ■ Timeline to look back Browse every record in order. Edit or delete anytime. ■ Home screen widget Check last night's sleep right from your home screen. ■ On-device and offline Everything is stored on your device. No account and no connection required. Export to CSV to keep your own data in hand. Note: This app is a tool for recording sleep. It is not intended for medical diagnosis or treatment. If you have concerns about your health, please consult a professional.

Screenshots

Sleep Note4 screens
Sleep Memo3 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Note at none against Sleep Memo's 1. Sleep Note also leads on iOS requirement (15.1 vs 17.0). Sleep Memo's advantage is update cadence (every 2 days vs every 4 days). On price, ads 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. Sleep Memo sells 1 one-off in-app purchase. Sleep Note asks for nothing beyond the download.

UpkeepUpdate frequency

Sleep Note ships an update every 4 days, Sleep Memo every 2 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 3 level
Sleep Note versus Sleep Memo: the parameters behind the verdict, then further details
ParameterSleep NoteSleep Memo
PriceFreeFree
Update frequencyEvery 4 daysEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size38 MB5 MB
Age rating4+4+
DeveloperKengo Kanehiro丽佳 施

In-app purchases

None

Sleep Note

No in-app purchases

1 purchases

Sleep Memo

One-time1
  • Remove Ads$0.99

Questions

Is Sleep Note free?
Sleep Note is free to download, with no in-app purchases.
Is Sleep Memo free?
Sleep Memo is free to download, with in-app purchases available.
Do Sleep Note or Sleep Memo have ads?
Both Sleep Note and Sleep Memo show ads.
Which is updated more often, Sleep Note or Sleep Memo?
Sleep Note ships an update every 4 days, and Sleep Memo every 2 days. Most recently, Sleep Note was updated on October 10, 2026 and Sleep Memo on October 16, 2026.

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