UniStack's algorithms protect your phone numbers from getting blocked and maximize text messaging conversion.
engageSPARK Alternatives
engageSPARK is described as 'Enables anyone, anywhere to build and launch SMS and Voice Call messaging, surveying, and decision tree programs to 200+ countries – within minutes. It is a self-service website where any non-technical person can easily, quickly, and cheaply create messaging' and is an app. There are more than 25 alternatives to engageSPARK for a variety of platforms, including Web-based, SaaS, Android, iPhone and Windows apps. The best engageSPARK alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Brevo or TextBee. Other great apps like engageSPARK are Smarter Contact, Twilio, Textmagic and SMSAPI.
Alternatives list
314 Brevo alternativesUnified platform offering email, SMS, automation, transactional messages, integrations with CMS, e-commerce, social and chat tools, robust API, competitive email-based pricing, free and scalable plans, and multi-channel audience engagement management.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
+8
Smarter Contact is an SMS Marketing Software that is undisputedly the market leader in skiptracing (number lookup) using the most advanced geolocation data. The highest hit rates ensure that you're getting in touch with your customers.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Android
- iPhone
123 Twilio alternativesTwilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.
Cost / License
- Paid
- Proprietary
Platforms
- Online
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
SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions. SMSAPI offers bulk SMS, MMS, voicemailing, HLR services, shortcode, SMS notifications, newsletter SMS, MMS coupons, mail2SMS, two-way SMS and other mobile services.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- iPhone
- iPad
- Android
- Android Tablet
52 TextBee alternativesTextBee is an open-source SMS gateway that enables users to send and receive SMS messages via a web dashboard or a REST API. Perfect for businesses, developers, and hobbyists who need a reliable and cost-effective way to automate SMS messaging.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Online
- Software as a Service (SaaS)
- Self-Hosted
- Docker
- Android
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
Text-Em-All delivers personalized, informational, and emergency text messages and phone calls fast - whether they're going to five people or 50,000.
Cost / License
- Paid
- Proprietary
Platforms
- Online
+1
Bulk SMS provides application-to-person (A2P) messaging services to large and small businesses, public benefit organisations and individuals.
Textedly instantly sends 10-100,000 mass SMS text messages to any mobile phone number. Easily build an opt-in subscriber list. Instantly upload your list of mobile phone number subscribers. Schedule text messages to go out any time you want.
Cost / License
- Paid
- Proprietary
Platforms
- Online
+1
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