1st Biorhythm 5.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This program is an intellectual property of Valts Silaputnins.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The program is included in Home & Hobby Tools. The 1st Biorhythm installer is commonly called FirstBio.exe. The following versions: 5.0, 4.1 and 3.3 are the most frequently downloaded ones by the program users.
From the developer:
The 1st Biorhythm is a powerful and easy-to-use tool that allows you to calculate your biorhythm cycles so you can plan your activities to achieve maximum efficiency and be prepared for the critical day before it comes. Using this program you will find out a person's physical, emotional and intellectual stability at any moment of time.
You may want to check out more software, such as Dynamic Biorhythms, Biorhythms Guide or Advanced Biorhythms, which might be related to 1st Biorhythm.
Reference
Healthcare & Fitness