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SM2.IO
What SM2.IO is
SM2.IO is a messaging and communications platform for small businesses, bringing customer conversations and related tools into a shared inbox. Channels include SMS and MMS, website chat, calls, email, WhatsApp Business, Apple Messages for Business, Facebook Messenger, Instagram, X DMs and Yelp business messages. Its phone system includes VoIP, extensions, ring groups, IVR menus, routing, voicemail and call transfers, accessible through a browser softphone, mobile dialer or SIP desk phone. Flow Builder creates per-contact automations using triggers, messages, waits, conditions, AI steps and integration actions, and includes a simulator. Recorded calls can be transcribed, summarized and sentiment-scored; call intelligence is included in Pro and offered as a Premium add-on. Plans start at $199.00 per month: Basic includes three seats and one location but no phone system, while Premium is $299.00 per month and Pro is $499.00 per month. A free trial uses a real account and phone numbers and converts to a monthly subscription when it ends. The platform is available on Android, iOS, web and API.
Who it suits
It is intended for local and small businesses, including shops, service providers, cafes and medical offices that want shared messaging, calling or automated customer flows. The plans and phone-system availability may matter when choosing a tier.
What it does well
- Shared inbox covers many messaging channels
- Phone system includes routing and voicemail
- Flow Builder includes a simulator
- Free trial requires no upfront card
What to know first
- Basic plan has no phone system
- Plans start at $199.00 per month
- Accounts are limited to 25 locations
Limits
The free trial converts to a monthly subscription when it ends. Basic costs $199 a month, includes three seats and one location, and does not include a phone system; the account limit is 25 locations, with additional locations priced by plan.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Basic | Monthly; cancel anytime · 3 seats · one location included · no phone system | $199 a month |
| Premium | Monthly; cancel anytime · 5 seats · one location included | $299 a month |
| Pro | Monthly; cancel anytime · 10 seats · one location included | $499 a month |
As sm2.io lists them, read 5 Oct 2026. The maker's own page has the final word.
Getting started
- Visit https://www.sm2.io/.
- Choose a plan or start the free trial.
- Use the trial account with its real phone numbers and sending; no card is required up front.
- Install the mobile dialer on Android or iOS, or use the web app.
- Connect the communication channels and integrations your business uses.
Verdict
SM2.IO combines a wide range of customer channels with phone features and configurable flows for small-business teams. Basic has a clear limitation: it does not include a phone system, and paid plans start at $199.00 per month.
Questions
How much does SM2.IO cost?
Basic is $199 a month, Premium is $299 a month, and Pro is $499 a month. All are billed monthly and can be canceled anytime.
Is there a free plan or trial?
There is no free plan, but a free trial is available. It uses a real account, phone numbers, and sending, requires no card up front, and converts to a monthly subscription when it ends.
Which platforms does SM2.IO support?
SM2.IO is available on Android, iOS, and web, and offers an API.
Does Basic include a phone system?
No. Basic includes three seats and one location but no phone system.
What channels can the shared inbox handle?
It supports SMS and MMS, website chat, phone calls, email, WhatsApp Business, Apple Messages for Business, Facebook Messenger, Instagram, X DMs, and Yelp business messages.
What integrations are available?
Listed integrations include Shopify, WooCommerce, BigCommerce, Magento, Wix, TikTok Shop, Etsy, Mailchimp, Constant Contact, Google Business Profile, Yelp, Zapier, Make, and IFTTT.
Facts from SM2.IO's own pages
- AI call tools
- Recorded calls can be transcribed, summarized, and sentiment-scored, with call intelligence included in Pro and available as a Premium add-on. · sm2.io, 5 Oct 2026
- Automation
- Flow Builder provides a visual canvas for building per-contact flows with triggers, messages, waits, conditions, AI steps, and integration actions, and includes a simulator. · sm2.io, 5 Oct 2026
- Channels
- The shared inbox supports SMS and MMS, website chat, phone calls, email, WhatsApp Business, Apple Messages for Business, Facebook Messenger, Instagram, X DMs, and Yelp business messages. · sm2.io, 5 Oct 2026
- Developer API
- The developer platform offers scoped API tokens, inbound triggers, HMAC-signed outbound webhooks, and read-only REST endpoints for call history, recordings, and analytics. · sm2.io, 5 Oct 2026
- Integrations
- Listed integrations include Shopify, WooCommerce, BigCommerce, Magento, Wix, TikTok Shop, Etsy, Mailchimp, Constant Contact, Google Business Profile, Yelp, Zapier, Make, and IFTTT. · sm2.io, 5 Oct 2026
- Intended customers
- SM2.IO says it is built for local and small businesses, including auto shops, salons, dental and medical offices, home services, cafes, and retail. · sm2.io, 5 Oct 2026
- Location limit
- An account can have up to 25 locations; the first is included and additional locations have plan-specific monthly prices. · sm2.io, 5 Oct 2026
- Mobile access
- The FAQ describes an installable mobile dialer with push alerts and says it can be installed as a full-screen app on iPhone. · sm2.io, 5 Oct 2026
- Payment fees
- The pricing page lists text-to-pay at $9.99/mo plus processor fees of 2.9% + $0.30 per transaction and a platform fee of 0.25% + $0.10 per transaction. · sm2.io, 5 Oct 2026
- Phone system
- The phone system includes VoIP calling, extensions, ring groups, IVR menus, routing, voicemail, and call transfers; customers can use a browser softphone, mobile dialer, or SIP desk phone. · sm2.io, 5 Oct 2026
- Product
- SM2.IO describes itself as an all-in-one messaging and communication platform for small businesses, with customer conversations and related tools in one shared inbox. · sm2.io, 5 Oct 2026
- Security and messaging compliance
- The security page describes automatic A2P 10DLC registration, STOP/START opt-out enforcement, quiet-hours handling, and an insert-only TCPA consent audit trail. · sm2.io, 5 Oct 2026
- Support access
- The FAQ says support may access an account through a temporary audited impersonation session tied to a reported troubleshooting issue, without needing the user's password. · sm2.io, 5 Oct 2026
- Trial
- The free trial uses a real account with real phone numbers and sending, requires no credit card up front, and converts to a monthly subscription when it ends. · sm2.io, 5 Oct 2026
Where SM2.IO stands on Freedom251
- Business Texting Software#10 of 27
- Two-Way SMS Software#13 of 30