UniStack's algorithms protect your phone numbers from getting blocked and maximize text messaging conversion.
Relay SMS Gateway Alternatives
Relay SMS Gateway is described as 'Free and open source SMS management software, a web interface for SMS gateways and bulk SMS services' and is an app. There are four alternatives to Relay SMS Gateway for a variety of platforms, including Web-based, Android, iPhone, Windows and Mac apps. The best Relay SMS Gateway alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Atomic SMS Sender. Other great apps like Relay SMS Gateway are Textmagic and Hilos by ActiveCampaign.
Alternatives list
37 UniStack alternatives
Cloud-based SMS messaging service provides bulk text notifications, alerts, and campaigns. Features 2-way chat, contact management, API, mobile keywords, polling, analytics, toll-free and scheduled messaging, flexible pricing, and virtual numbers.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
+6
Atomic SMS Sender supports 800 networks worldwide, enabling mass text ads, alerts, and notifications. Offers competitive pricing, dynamic sender IDs, free SMS testing, API integration, and a desktop or browser interface for seamless campaigns and delivery monitoring.
Cost / License
- Free
- Proprietary
Platforms
- Windows
+1
Platform for WhatsApp API that allows you Profile leads, automate follow-ups and integrate with your favorite tools to increase conversion.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
United Kingdom
United States
