Some top alternatives to Clickatell includes Sendchamp, SupportChamp, TextMagic, PowerTextor and Upwire.
No, Clickatell doesn't provide API.
No, Clickatell doesn't provide mobile app.
Clickatell is located in NA
Clickatell offers Quotation Based pricing model
The starting price is not disclosed by Clickatell. You can visit Clickatell pricing page to get the latest pricing.