It alerts you when you sit for a long time. It also sends you cautions on your device when chair's sensors detect that your posture is not proper. It keeps your sitting profile for the past days.

Yes, max 4 phones can connect to one chair at the same time. You can run Gsmart app on your phone as well as your tablet. All you need is setting your username on all of them to share your activity data between your devices.

No, unless you don't choose a username to login with your app and use your chair as guest. All activities and settings are saved in your chair not in your phone. You can simply create a username and password inside the app to keep your data safe.
If you don't want an account you can choose only a username to get a local user ID. This method provides a lower security level.

1. Make sure that your app is the latest version. To check this go to Play Store and search for Gsmart and update if it is possible. You can also enable auto-update for Gsmart through the Play Store menu to receive the latest version when released.

2. Upgrade your chair's firmware when it is notified by the app. A new firmware for Gsmart might be published and bundled with the app. It is strongly recommended to accept Upgrade Warning if you see it.

3. Be sure that you are on the right chair. You can see the signal strength through the scanner radar by tapping on "Pick Form List" button in QR scanner window. If there is more than one chair in list of chairs, search for the strongest signal when you put your phone on the seat. The chair with the blue icon is your recent chair and must be the strongest one.

4. If you are close to the chair but can't find it in radar scanner, use a sharp thing like a pen to push the reset button located in the side of Gsmart module underneath the seat.

5. If resetting didn't help, put the chair on a table in upside down position and open the Gsmart black box to replace the batteries. Two alkaline 1.5 Volts AAA batteries are needed.

Yes, it is. You can change the settings when the app is connected to the chair. In Android go to Settings in menu which is on the top corner of main page. Simply adjust the timers to your desired values and exit.

Yes, maximum 10 persons can share a Gregory Smart Chair simultaneously. They must choose differnet usernames on their phone to prevent their data from mixin up together. They also need to scan the QR sticker before their first sitting and use the green play button ever after.

You should disconnect manually from your Smart Chair before leaveing. It can be easily done by tapping on Home icon.
It is not necessary to disconnect if you are sure that no one sits on your chair in absence of you.
You need to tap on Recent Chair icon at the next time if you disconnect manually from the chair.

Connecting is still available by tapping on Pick From List in the bottom of QR scanner window.
A QR sticker helps your phone identify your chair quickly. They are also a proof that you have access to the chair physically.

No. You don't have to create an account on Gsmart website to benefit from a level of privacy when using your chair.
You can simply choose a username and tick "Without Password" (if available) and start using your chair. But remember everything will be mixed up if someone else can guess this username or use your chair with the same username on their phone. So try not to choose a simple username or as a safe way create an account by tapping on "Register Now", it's easy.
By creating an online account you can enable to record all of your activities on all connected Gsmarts.