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Quo (formerly OpenPhone) vs KrispCall

Quo (formerly OpenPhone) lands on Worth it, and KrispCall lands on Depends.

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Quo (formerly OpenPhone) versus KrispCall
CompareQuo (formerly OpenPhone)KrispCall
VerdictWorth itDepends
Best forStartups and small businessesSmall international sales teams
Who it's not forEnterprises needing call-center routing and support SLAsTeams exceeding 5 users on base plans
PrivacyNo known public vulnerabilities found in the sources reviewed.²No known public vulnerabilities found in the sources reviewed; publishes a DPA, runs a public bug bounty, and is Microsoft 365 certified.
Support qualityReviewers flag limited enterprise-grade supportNo support-quality evidence in sources
Public sentimentApp-store and G2 ratings run strongly positive, with occasional harsh dissent from small-business users.⁴Most reviews are positive . praising ease of use and SMS reliability . but a minority reports hidden fees and one Reddit thread questions review authenticity.11
Biggest gotchaPer-user pricing compounds with headcount; flat-rate alternatives exist⁹Capterra reviewer called it 'a disaster' citing hidden fees . confirm total cost before committing14

Pick Quo (formerly OpenPhone) when

  • Startups and small businesses
  • Remote, mobile-first teams
  • Teams under ~50 users
  • Shared-number sales and support pods

When Quo (formerly OpenPhone) is not a fit

  • Enterprises needing call-center routing and support SLAs
  • Large orgs with 50+ seats
  • Buyers wanting flat-rate, non-per-user pricing
  • Teams needing RingCentral-scale feature depth

Pick KrispCall when

  • Small international sales teams
  • Support teams mixing calls and SMS
  • Startups on Salesforce
  • Remote teams needing local numbers worldwide

When KrispCall is not a fit

  • Teams exceeding 5 users on base plans
  • Buyers who need fully predictable billing
  • Enterprises needing SLAs and dedicated support
  • Anyone expecting a free tier

Sources

  1. Quo official site and pricingquo.com
    official
  2. Quo security pageopenphone.co
    security
  3. Quo (formerly OpenPhone) - App Storeapps.apple.com
    official
  4. OpenPhone Review 2026: Features, Pricing & User Feedbackcloudtalk.io
    review
  5. Quo (OpenPhone) Review . Modern Business Phone Systemvalueaddvc.com
    review
  6. Quo (OpenPhone) is terrible. Alternatives? - Redditreddit.com
    review
  7. Quo (OpenPhone) Reviews: What Businesses Should Knownextiva.com
    review
  8. Quo: Details, Reviews, Pricing (rebrand and funding)checkthat.ai
    news
  9. Quo (OpenPhone) Alternativesdialnote.com
    review
  10. Top 10 Quo Alternatives & Competitorskrispcall.com
    review
  11. KrispCall Reviews . G2g2.com
    review
  12. KrispCall Seller . 379 G2 Reviewsg2.com
    review
  13. KrispCall . Trustpilottrustpilot.com
    review
  14. KrispCall Cost & Reviews . Capterracapterra.com.au
    review
  15. KrispCall vs JustCall . Reddit r/SaaSreddit.com
    review
  16. KrispCall Spam . Reddit r/VOIPreddit.com
    review