Reviews of DayDay Band

By: Youchuangyi Health Technology (Shenzhen) Co., Ltd. App

List of user reviews and ratings for DayDay Band

Total ratings

3.14 (Rating count: 19,970)

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Review summary

User reviews heavily emphasize reliability problems: the app frequently crashes or won’t open, Bluetooth pairing and data syncing with the DayDay Band are inconsistent, and login/authentication (captcha, passcode delivery) often fails. Recent updates appear to introduce or worsen instability, with some users reverting to older versions. A minority report the app working fine or being useful, but overall the dominant themes are crashes, connection issues, and login problems, with sleep data sync as a subset issue. Improvements needed: stability, Bluetooth reliability, login flow, and data sync.

Pros

Some users describe the app as good or very good.
An extremely useful wearable.
At least got connected finally for my band.

Cons

Frequent crashes or the app won’t open / keeps stopping.
Bluetooth pairing/connection issues with the band and data syncing problems.
Login/authentication problems including captcha and email passcode delivery failure.
Recent updates cause instability; latest versions crash and users sometimes revert to older versions.
Sleep data sync not working / data not syncing with the band.

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User Reviews

Recent rating average: 1.90

All time rating average: 3.14

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49% (35)

Date	Author	Comment
2025-11-19	je*****	bad software
bad software
2025-07-15	MD*****	Dont work
Dont work
2025-02-25	Na*****	Will not send a pass code to your email so you can't log in. Don't waste your time.
Will not send a pass code to your email so you can't log in. Don't waste your time.
2025-02-13	Br*****	Never managed to get it to work
Never managed to get it to work
2025-01-24	Ja*****	The app worked fine until the most recent version, and now it just crashes when you open it. I found the last version 2.6.3, and it still had problems, so I went back to 2.6.1, and all was fine again. January 2025, it's still broken and having the same problem it did, crashes right away, and can't even open the app. I guess I'll stay with 2.6.1
The app worked fine until the most recent version, and now it just crashes when you open it. I found the last version 2.6.3, and it still had problems, so I went back to 2.6.1, and all was fine again. January 2025, it's still broken and having the same problem it did, crashes right away, and can't even open the app. I guess I'll stay with 2.6.1
2024-08-29	Br*****	app wont sync sleep data from band!
app wont sync sleep data from band!
2024-02-18	ma*****	Keeps on stopping
Keeps on stopping
2023-11-25	An*****	Terrible. Can't get it to connect to phone. I've installed, reinstalled. Shut off/on Bluetooth. Don't buy this garbage!
Terrible. Can't get it to connect to phone. I've installed, reinstalled. Shut off/on Bluetooth. Don't buy this garbage!
2023-11-13	My*****	Does not keep right time. I have to rest every other day
Does not keep right time. I have to rest every other day
2023-10-25	Go*****	Useless. App keeps closing.
Useless. App keeps closing.