Grow a list that’s actually worth sending to.
Build an opt-in messaging audience the right way, with keywords, QR codes, and web widgets that capture consent cleanly, then welcome and convert new subscribers with branded RCS. Compliant by construction, measurable from the first opt-in, and delivered everywhere with automatic SMS fallback.
- Keyword, QR & web opt-in
- Documented consent
- Verified welcome message
- Auto SMS fallback
Subscribers you didn’t earn don’t convert, and aren’t compliant.
It’s tempting to chase list size for its own sake. The goal isn’t more subscribers; it’s the right subscribers, captured with clear consent, who actually want to hear from you.
A number padded with people who didn’t really opt in is worse than useless.
- Tanks engagement
- Invites spam complaints
- Puts you on the wrong side of consent rules
SimplyRCS is built to grow that kind of list.
- Multiple opt-in surfaces meet customers where they are
- Consent is documented at the moment of capture
- A branded welcome turns a fresh opt-in into an engaged subscriber from message one
Size isn’t the metric. Consent is.
Capture consent wherever customers meet you.
SimplyRCS Acquisition Campaigns give you multiple ways to grow a list, each capturing clean, documented consent.
Launch an acquisition campaign in five steps.
Create a subscription list
Set up the list new subscribers will join, with its topic, keyword, opt-in confirmation message, and unsubscribe instructions: the compliant container for your audience.
Choose your surfaces
Pick how customers will opt in: keyword, QR code, web widget, or click-to-chat, or use several at once. Each becomes a trackable acquisition campaign.
Configure consent
Choose single or double opt-in and set the confirmation flow, so every subscriber’s consent is captured and documented at the moment they join.
Build the welcome
Create the branded welcome message new subscribers receive: a verified RCS card with a first-time offer or what to expect, so they’re engaged from the start.
Launch and measure
Put your surfaces live and watch list growth, opt-in source, and conversion on each campaign’s detail page, then double down on the surfaces that work.
- Send to your new list with Blasts
Grow fast without growing a compliance problem.
List growth is exactly where messaging programs get into trouble: capturing consent sloppily, skipping disclosures, or messaging people who never really opted in. SimplyRCS bakes compliance into the capture itself. You grow quickly and defensibly.
- Opt-in surface
- Keyword JOIN to 55123
- Disclosures
- Included at capture
- Opt-in type
- Double opt-in (JOIN, then YES)
- Consent logged
- RCSSMS
- STOP and HELP
- Honored automatically
- Confirmed
- Today 10:52 AM
A new subscriber is a first impression. Make it count.
Acquisition doesn’t end at the opt-in, it ends when that subscriber takes their first action. The branded welcome is where it happens: a verified RCS card that thanks them, sets expectations, and gives an immediate reason to engage, a first-order offer, a quick preference question, a tap into your store. Start the relationship strong and the rest of your messaging works harder.
RoamThanks for joining. Here’s 15% off your first order.
About 2 msgs/mo. Reply STOP to cancel, HELP for help.A branded welcome converts better than a plain one.
The opt-in surfaces grow the list; RCS makes those subscribers worth more. A verified, branded welcome earns trust and engagement that a plain SMS “you’re subscribed” can’t, rich cards let you make a real first offer, and tap tracking shows which surfaces and welcomes convert. With automatic fallback, SMS-only subscribers are welcomed too, you just lead with the richer experience wherever it’s supported.
Audience growth questions.
How do you grow an SMS or RCS subscriber list?
Grow a messaging list by giving customers easy, compliant ways to opt in: texting a keyword, scanning a QR code, filling out a web widget, or tapping a click-to-chat link, then welcoming them with a branded message. SimplyRCS provides all of these as trackable Acquisition Campaigns, captures consent at opt-in, and falls back to SMS so every subscriber is reached.
How do customers opt in to business texts?
Customers opt in by taking a clear, consenting action: texting a keyword like JOIN to your number, scanning a QR code, submitting a web signup form, or tapping a click-to-chat link. SimplyRCS captures the required disclosures at the moment of opt-in and can confirm intent with a double opt-in reply.
What is the difference between single and double opt-in?
Single opt-in adds a subscriber the moment they take the opt-in action. Double opt-in adds a confirmation step, where the subscriber replies to confirm, which verifies intent, improves list quality and engagement, and strengthens your consent record. SimplyRCS supports both, configurable per campaign.
Is it compliant to build a text marketing list?
Yes, when consent is captured properly. SimplyRCS builds compliance into acquisition: opt-in surfaces include required disclosures, double opt-in confirms intent, consent is logged per channel, and STOP and HELP opt-outs are honored automatically. This gives you an auditable record and protects deliverability.
Which opt-in method works best?
The best method depends on where you meet customers: keywords suit signage and ads, QR codes suit in-store and packaging, web widgets suit your site and checkout, and click-to-chat suits social and email. Most businesses use several, and because each is a trackable campaign in SimplyRCS, you can see which grows your list fastest.
What should a welcome message say?
A strong welcome thanks the subscriber, confirms what they signed up for and how often you will message, and gives an immediate reason to engage, like a first-order offer. Over RCS, SimplyRCS sends this as a verified, branded card; on non-RCS devices it falls back to SMS.
Does this work on iPhone and Android?
Yes. Branded RCS opt-in confirmations and welcomes reach iPhones (iOS 18.1+) and Androids (Google Messages), and SimplyRCS falls back to SMS automatically on any device that cannot receive RCS, so you can capture and welcome every subscriber.
Build a list you’re proud to send to.
Book a demo and we’ll set up your opt-in surfaces and branded welcome live: keyword, QR, or web, on a real phone. Or start free with a sender ID test.