Releans Alternatives

Apps similar to Releans include UniStack. It's paid, but Atomic SMS Sender is free. Other options are Dexatel, Twilio, Textmagic and SMSAPI. Email Marketing Services like Releans are a crowded field, with more than 25 alternatives for the web, Android, iPhone, iPad and self-hosting.

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Releans alternatives page was last updated May 14, 2025

Authkey - SMS & WhatsApp API
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Authkey is a versatile multiple channels platform, including SMS API, WhatsApp Business API, Email, Voice Call APIs, and various authentication methods such as OTP, 2FA, and more.
Cost / License
Paid
Proprietary
Origin
United Kingdom
Platforms
Online
United Kingdom
+3
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Vonage
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We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead. We provide unified communications, contact centers and programmable communications APIs, built on the world's most flexible cloud communications platform.
Cost / License
Paid
Proprietary
Origin
United States
Platforms
Online
United States
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D7SMS
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D7 SMS allows reaching the customers via SMS over D7's own connectivity to global mobile networks. D7 provides reliable and cost-effective SMS services to businesses across all industries and aims to connect all countries and territories.
Cost / License
Free
Proprietary
Platforms
Software as a Service (SaaS)
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