Overflow Cafe vs The SMS Works

Overflow Cafe makes websites popular

Overflow Cafe is an SEO agency for new and small business owners. We help to make your website popular for your keywords, for your products and services. You'll gain strong rankings over time, you'll gain quality traffic and hopefully a lot of paying customers. The service is geared only towards websites which sell a product or service and does not work well with websites that do not sell a product or service.

The SMS Works provides a low cost and reliable SMS API for developers

The SMS Works provides a low-cost SMS API for developers.
Customers only pay delivered texts, all failed texts are refunded, so there's zero wastage.
It's a fairer and more open way of working.