Best SMS for Short-Term Rental Hosts (2025): Automated Guest Messaging That Stays Compliant

Most short-term rental hosts start with WhatsApp, iMessage, or a personal number. It works fine for one property. It breaks down fast when you have five listings, a co-host or two, and a growing list of past guests you want to bring back directly. This page walks through what STR hosts actually need from an SMS platform, where generic tools fall short, and how InfinitySMS is priced and built for exactly this use case.

What Do STR Hosts Actually Use SMS For?

Guest messaging in short-term rentals falls into a few clear categories, and each one has different requirements from an SMS platform.

• Booking confirmations — a quick text when a reservation is made builds trust and sets the tone before arrival.
• Check-in instructions — door codes, parking details, Wi-Fi passwords. Guests need these on their phone, not buried in an email.
• Mid-stay check-ins — a short message around day two asking if everything is good catches problems before they become bad reviews.
• Review requests — a timely text after checkout asking for a review outperforms any automated platform nudge.
• Re-booking campaigns — past guests who loved their stay are your best source of direct bookings. A well-timed SMS around their stay anniversary or a local event can convert without paying platform fees.

The first three use cases are transactional — triggered by a booking event. The last two are marketing, and that distinction matters a lot for compliance.

Why Does Compliance Matter for STR Hosts Specifically?

Sending a check-in code to a guest who just booked is transactional. Sending a re-booking offer to 400 past guests is a marketing campaign. Under U.S. carrier rules and the TCPA, mass marketing texts require documented opt-in records and a properly registered 10DLC (10-digit long code) number. Using a personal number or a consumer app like WhatsApp for that kind of outreach is not just unscalable — it exposes you to carrier filtering, number blocking, and legal risk.

10DLC registration means your business is verified with carriers before you send. Messages are less likely to be filtered as spam, and you have a documented record of compliance. InfinitySMS handles 10DLC registration for you — it's part of the platform, not an add-on you figure out yourself.

Why Generic Consumer Tools Don't Scale for Co-Hosting Businesses

A solo host managing two properties can probably make WhatsApp or a personal number work — at least for a while. Once you add a co-host, a cleaner who needs to be looped in, and a virtual assistant handling guest inquiries, a personal number becomes a bottleneck. There's no shared inbox, no message history visible to the whole team, no way to schedule messages in advance, and no audit trail if a compliance question ever comes up.

Business texting platforms solve these problems, but many charge per seat — meaning your costs multiply as your team grows, even if the actual message volume doesn't change significantly.

How Does InfinitySMS Pricing Work for STR Hosts and Co-Hosting Teams?

InfinitySMS charges a flat $99/month plus $0.02 per message sent. That's it. No per-seat fees, no credit expiry, no tiered plans based on how many staff log in.

For a co-hosting business with three team members, you pay $99/mo — the same base as a solo host. On platforms that charge per seat, that same three-person team might pay $60–$100 per user per month, putting the base cost at $180–$300 before a single message is sent.

What About Platforms Like EZTexting, SimpleTexting, or Podium?

These are legitimate platforms with real feature sets, and they serve a wide range of industries. A few honest observations for STR hosts comparing options:

• EZTexting and SimpleTexting both offer solid bulk messaging tools, but their pricing is credit-based or tiered by message volume — costs can jump significantly once you move into larger re-booking campaigns.
• Podium is powerful for review management and two-way messaging, but it's priced as an enterprise platform. It's more than most co-hosting businesses need and priced accordingly.
• None of these are built specifically for real estate or short-term rentals. InfinitySMS is — which means the workflows, compliance handling, and support are designed around how hosts and property managers actually operate.

Which STR Workflows Work Best with InfinitySMS?

1. 1Set up your 10DLC registration through InfinitySMS — done-for-you, so you're compliant before you send anything.
2. 2Build a contact list of past guests with opt-in records (booking confirmation opt-ins are a clean, documented method).
3. 3Create message templates for check-in instructions, mid-stay check-ins, and checkout review requests.
4. 4Schedule a re-booking campaign to past guests — a single broadcast to 500 contacts costs $10 in send fees on top of your flat monthly rate.
5. 5Add team members (co-hosts, VAs) to the shared inbox — no extra per-seat charge.

Is InfinitySMS Right for Every STR Host?

Honestly, not necessarily. If you're a solo host with one property and you only ever text individual guests one-to-one when something comes up, a personal number probably works fine for now. InfinitySMS makes the most sense when at least one of these is true:

• You have a team — even just one co-host — and need a shared inbox.
• You want to run re-booking campaigns to past guests and need to do it compliantly.
• You're managing five or more properties and need to schedule and automate messages rather than sending them manually.
• You've had a number flagged or blocked and want a properly registered business line.