AT&T Business vs Quo (formerly OpenPhone)
AT&T Business
Business internet, wireless, and phone lines from a national carrier
Quo (formerly OpenPhone)
Simple business phone numbers with shared inboxes for small teams
From$15/user/mo
Starter (annual)Verified Sep 24, 2026
How they differ
| Feature | AT&T Business | Quo (formerly OpenPhone) |
|---|---|---|
| Entry price | Check price on vendor site | $15/user/moStarter (annual) |
| Free plan | Not stated | Not stated |
| Free trial | Not stated | Not stated |
| Phone & answering | ||
| Suits | plumbers, HVAC companies, electricians, roofers, landscapers | plumbers, HVAC companies, electricians, roofers, landscapers |
We don't have a verified price for both AT&T Business and Quo (formerly OpenPhone) yet, so we can't chart the cost by team size. Check each vendor's pricing page.
AT&T Business
Strengths
- National coverage and business-grade reliability
- Bundling internet, wireless, and phone lines under one carrier simplifies billing
- Business support tier separate from consumer service
Drawbacks
- Pricing varies widely by market and requires checking availability at the business address
- Contract terms and equipment fees are not fully transparent online
Quo (formerly OpenPhone)
Strengths
- Shared inbox lets any team member handle a text or call thread
- Straightforward per-user pricing without long contracts
- Annual billing meaningfully lowers the per-user rate
Drawbacks
- Fewer call-routing and IVR features than dedicated business phone systems
- Top Scale tier is needed for higher-volume features
Frequently asked questions
What do AT&T Business and Quo (formerly OpenPhone) have in common?
Both cover phone & answering.
Which is cheaper, AT&T Business or Quo (formerly OpenPhone)?
We can only answer that with prices verified on both vendors' pricing pages, and we don't have that for AT&T Business right now. Check the vendor sites for current prices.