For all these reasons, we think we're the clear winner. Bidpal (Text.Gives) does offer some nice features, but the point is to raise money. Some of Text.Gives' features have been demonstrated to diminish conversion rates.
While you can create a PayPal donate link on the fly, you may also want to create a PayPal donate button. One advantage of creating a donate button is that you can embed the button on a web page. PayPal shows an easily-recognizable yellow PayPal Donate button on your web page that clearly signals to prospective donors that they can click it to donate.
If you do not wish to use PayPal to process your recurring donations (or your nonprofit does not use PayPal), you may elect to use us for recurring donations. There are also several other companies that offer recurring donation payments for nonprofits.
There is a lot of research indicating that your nonprofit will raise more money with an SMS donation service in the mix than it will without one. Offering SMS donations to your donors increases the number of opportunities your organization will have to collect donations from prospects.
Recently, Will Schmitt of Classy posted a blog discussing the limitations of text to give and text to donate services (he distinguishes the two). The blog does point out some interesting considerations, but it overstates the limitations of text to give.