I bought both of these from Amazon and tested them:
Bidet Toilet Seat Attachment: amzn.com/B005IT4C6GWashmate Portable Bidet in a Bottle: amzn.com/B001BYV3J6The Bidet Toilet Seat Attachment hooked up to the toilet's water supply and was easy to install and use but the water was too cold (not heated) and the spray was too strong/harsh and concentrated for my liking. I got rid of it.
The Washmate Portable Bidet in a Bottle was much simpler and I like it. It was $17 on Amazon and allows me to fill it with warm water from the sink, then spray it where and how I want. Much preferred!
Scrap Girl, I'm curious what manufacturer and model bidet you have?