The best alternatives to Wireletter are Mailjoy, Contactually, and Fountain Greetings. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Wireletter?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Delightfully simple postcard and letter marketing. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven direct mail marketing campaigns.
Mailjoy provides a ton of features to help you create mailing lists from your contacts, design beautiful mailers, track conversions, and integrate with the tools you already use. Sending a campaign takes only minutes. Use Mailjoy for a single campaign or make it a part of your marketing toolkit.
Lettmess is a platform in which you can send random and anonymous letters. We will deliver your letter to it's address within 3 hours. Letters contain at least 528 characters and you can send up to 5 letters in 24 hours.