• PhraseApp - plans start at $59 for a month w/ 50k hosted words.
• Transifex - plans start at $79 for a month w/ 50k hosted words.
• POEdit - plans start at $119 for a month w/ 30k hosted words.

https://www.transifex.com/partners/

Connected Translation Providers - When you need translations quickly, we offer access to two translation providers – Gengo and TextMaster. You can order translations directly from either vendor, and have your translated content delivered to you in Transifex. It’s quick and easy and won’t break the bank.

• Gengo 2,000 words, $100
• TextMaster 2,000 words, $132