Quo (formerly OpenPhone) Alternatives

Nextiva

Free trial

8.9 /10

Nextiva is the established UCaaS provider — 100,000+ US business customers. Pricing structure is unusual: Core at $15/user/month monthly ($23 annual), Engage at $25 monthly ($50 annual — verify this isn't inverted from what you expect). Scale at $75/user/month (NEW) offers full platform. 14-day trial + 24/7 support on all plans differentiates from competitors.

• 24/7 support on all plans including Core — rare at $15/user/month tier
• 30+ years UCaaS experience shows in product depth — every feature present
• Complete contact center product at Enterprise tiers — one vendor for UCaaS + CCaaS

Full Review Visit Nextiva

Dialpad Ai Voice

Free trial

8.7 /10

Dialpad Ai Voice is the AI-first VoIP provider. DialpadAI (transcription + summaries + sentiment) is included on ALL plans including Standard at $15/user/month annual. Pro at $25/user/month annual ($300/user/year, 3-user minimum = $900/year) adds global local numbers in 70+ countries and real-time AI coaching. Enterprise requires 100-seat minimum.

• DialpadAI transcription + call summaries on every plan including $15/user/month Standard
• Real-time AI coaching on Pro tier whispers to sales reps during calls — category-leading
• Local numbers in 70+ countries on Pro — global presence where Quo/Grasshopper are US+CA only

Full Review Visit Dialpad Ai Voice

RingCentral RingEX

Free trial

8.5 /10

RingCentral is the enterprise VoIP incumbent — 400,000+ customers, 100+ countries. Core at $20/user/month annual ($240/user/year) is feature-competitive with Nextiva Core. Advanced at $25 annual adds call recording + multi-site admin. Ultra at $35 annual unlocks advanced analytics. Aggressive 'Booster' add-ons (AI Receptionist $39, SMS Booster $25, Call Queues $35) can double your monthly bill.

• 100+ countries global presence — unmatched in category for multinational organizations
• 300+ integrations — largest ecosystem in VoIP category
• Mature contact center product at Ultra + add-ons for 500+ agent deployments

Full Review Visit RingCentral RingEX

Grasshopper

Free trial

7.5 /10

Grasshopper is the legacy 'virtual phone number' provider — add a business number to your existing cell phone. GoDaddy-owned since 2015. True Solo at $14/month annual ($168/year) is the cheapest business phone but feature-light vs Quo at $15. Solo Plus at $25/month annual ($300/year) adds unlimited extensions. Small Business at $55/month annual ($660/year) unlocks 3 numbers.

• Cheapest business phone entry at $14/month annual ($168/year)
• 24/7 US-based support on Solo Plus+ — real phone support quality
• 20+ year brand in small business phone space — established trust

Full Review Visit Grasshopper