Comparison

Sleep Harmony 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 Harmony

Features
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Access Sleep Harmony from your smartphone or tablet, it can help you sleep better.your sleep and health reports areeasily visible in the app, You can check daily metrics such as sleep duration, snoring records, and sleep apnea risk, Share health reports with your loved ones, customize your bed settings, and help you lead a healthier and vibrant life.

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 Harmony4 screens
Sleep Memo3 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Harmony at none against Sleep Memo's 1. Sleep Harmony also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). Sleep Memo's advantage is update cadence (every 6 weeks vs every 7 months). On price 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 Harmony asks for nothing beyond the download.

UpkeepUpdate frequency

Sleep Harmony ships an update every 7 months, Sleep Memo every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 2 level
Sleep Harmony versus Sleep Memo: the parameters behind the verdict, then further details
ParameterSleep HarmonySleep Memo
PriceFreeFree
Update frequencyEvery 7 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size144 MB5 MB
Age rating4+4+
DeveloperErgomotion, Inc.丽佳 施

In-app purchases

None

Sleep Harmony

No in-app purchases

1 purchases

Sleep Memo

One-time1
  • Remove Ads$0.99

Questions

Is Sleep Harmony free?
Sleep Harmony 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 Harmony or Sleep Memo have ads?
Sleep Memo shows ads; Sleep Harmony does not.
Which is updated more often, Sleep Harmony or Sleep Memo?
Sleep Harmony ships an update every 7 months, and Sleep Memo every 6 weeks. Most recently, Sleep Harmony was updated on October 30, 2026 and Sleep Memo on October 31, 2026.

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