Best SMS Broadcast Software

Twilio is a cloud communications platform that gives developers APIs to add messaging, voice calling, video, email, and authentication features to their applications. Core products include Programmable SMS and MMS, Voice, Video, WhatsApp and RCS messaging, the SendGrid Email API, and Verify for two-factor authentication, alongside Flex for building contact centers and Segment for customer data management. Companies including Uber, Airbnb, Netflix, and HubSpot use Twilio to power customer communications.

Pricing is usage-based rather than flat subscription tiers: SMS costs around $0.0083 per message, voice starts near $0.0085 per minute to receive, and phone numbers start around $1.15 per month, with volume discounts at scale. SendGrid Email offers a free plan for up to 100 emails per day, and Twilio provides a free trial with no credit card required for new developers to test the platform.

Sinch is a Swedish cloud communications platform offering SMS, Voice, Email, and WhatsApp Business APIs that let developers embed messaging and calling into their products. Its Conversation API connects to more than a dozen channels, including RCS, Facebook Messenger, Instagram, and Viber, through a single integration, with automatic fallback to SMS if a richer channel fails to deliver.

Sinch charges on a pay-as-you-go basis, with US SMS starting at $0.0078 per message and outbound voice from $0.01 per minute, alongside its no-code Sinch Engage messaging platform, which offers a free trial. The company operates over 600 direct carrier connections and serves businesses from startups to large enterprises worldwide.

Infobip is a global cloud communications platform, founded in Croatia, that provides SMS, WhatsApp, RCS, Voice, Video, and Email APIs along with higher-level products such as Moments for marketing automation, Answers for AI chatbots, and Conversations for cloud contact centers. It owns and operates much of its own carrier infrastructure, with more than 800 direct-to-carrier connections across 190-plus countries.

Infobip does not publish standard pricing tiers; instead it quotes rates based on channel mix, message volume, and destination country, though a 60-day free trial gives new users 100 free messages per channel plus 15 free voice calls. It primarily serves mid-market and enterprise customers alongside developers building on its CPaaS X API stack.

Plivo is a cloud communications platform offering programmable Voice, SMS, WhatsApp, and Verify APIs, plus SIP trunking and no-code Voice AI Agents, aimed at developers building calling and messaging into their applications. New accounts get $10 in free credit with no credit card required, and Plivo covers voice and messaging across more than 190 countries.

The self-service Pay as You Go tier covers the US and India with usage-based pricing, such as SMS from $0.0077 per message, while the Team plan starts at $250 per month and Enterprise starts at $1,000 per month, adding WhatsApp, custom sender IDs, and compliance features like HIPAA and SSO for larger organizations.

Telnyx is a carrier-owned communications platform providing Voice, SMS, SIP Trunking, Verify, and AI voice agent APIs on its own private Tier-1 network across more than 40 countries. Because it owns its infrastructure rather than reselling it, Telnyx offers direct carrier interconnects, built-in encryption, and STIR/SHAKEN call attestation without extra reseller hops.

Pricing is pay-as-you-go with no mandatory monthly platform fee: SMS starts from $0.004 per message and outbound SIP trunking starts at $0.005 per minute, plus a Growth Plan commitment that unlocks an 8% discount. Telnyx includes free 24/7 in-house support and serves developers ranging from indie builders to large enterprises.

TextUs is a business texting platform built around conversational messaging rather than one way broadcast, combining campaigns, a shared inbox, automation, keywords, analytics and WhatsApp messaging. Its pricing is published as a platform fee plus a per message rate, which the vendor presents deliberately as showing real costs upfront.

Separating the platform fee from the message rate is the honest way to price this category and it is worth understanding why. Messaging costs scale with volume while the software does not, so a single blended monthly figure either overcharges a light sender or collapses when a heavy one arrives. Quoting both parts lets a buyer calculate their own cost from their own volume rather than discovering it on the first invoice.

The conversational emphasis shapes the product. A shared inbox means an inbound reply reaches a team rather than disappearing, which is the difference between texting as a broadcast channel and texting as a two way conversation. For recruiting and sales teams, where response rates are the point, that distinction is the reason to buy.

Around the inbox the platform offers campaigns for outbound sending, automation and AI features, keyword handling for inbound opt ins, analytics and developer tools. WhatsApp messaging extends the same conversational model onto a channel with wider international reach.

Textmagic is a business messaging platform covering SMS alerts, reminders, notifications and marketing campaigns, extended with automation flows, a shared inbox and email campaigns. It brings SMS, live chat and social channels into one inbox so a team handles every inbound conversation from a single place.

Consolidating channels into one inbox is the design decision that matters most in daily use. A customer who texts today and uses live chat tomorrow is one person, and when those conversations sit in different tools the team answers as if they were strangers. One inbox preserves the thread, which is what makes the interaction feel continuous to the customer.

Automation flows add drip campaigns and message sequences through a flow builder, so a follow up sequence can be defined once rather than sent manually. That is where recurring value accumulates, because the sequences keep running without staff attention.

Practical telephony details are handled directly, including toll free numbers, 10DLC registration for United States business messaging, and bringing an existing number. Those are the requirements that block a business from sending compliantly in the United States, so having them handled in the product removes real setup friction. A light CRM with tasks and deals sits alongside the messaging.

ClickSend is a business messaging gateway covering SMS, MMS and RCS messaging, with mass texting, email to SMS, an SMS API and marketing tooling. It is priced on a top up model where the per message rate improves as the top up amount rises, rather than through monthly subscription tiers.

The top up structure suits irregular sending in a way subscriptions do not. A business running occasional campaigns or seasonal notifications pays for what it sends rather than carrying a monthly commitment through quiet periods, and a business whose volume grows simply tops up more and receives a better rate without renegotiating a contract.

The developer facing side is substantial, with an SMS API and a large integration catalogue, positioning it as infrastructure a system sends through rather than only a marketing console someone logs into. Email to SMS is a small feature with a specific use, letting existing systems that can already send email reach phones with no code change at all.

Rich messaging through RCS is offered in early access, which extends plain SMS toward richer formatting and interaction on supported handsets. Regional pricing and currency vary, so the applicable rate depends on the country an account is billed in.

EZ Texting is a text marketing platform covering mass texting, conversational texting, automations, workflows, short codes and RCS messaging, with pricing structured around contact count rather than message volume. It is aimed at small and medium businesses running marketing and notification campaigns rather than at developers integrating an API.

Workflows are the feature that separates it from a plain broadcast tool. After hours replies, event reminders, feedback requests and abandoned cart recovery all follow the same shape, which is a message that should send itself when something happens rather than when someone remembers. Automating that is where a small team recovers real time, because the alternative is a person watching for triggers.

Text to pay and text to give extend messaging into transactions, which matters for retailers taking payment and for nonprofits collecting donations, where removing every step between intent and payment measurably changes completion.

AI compose and AI reply assist with writing outbound messages and handling inbound ones, which addresses the practical bottleneck in SMS marketing, namely that the channel rewards frequency but each message still has to be written. Short codes, an SMS API and a free trial round out the offering.