Asterisk vs Quo (formerly OpenPhone): Which VoIP Software Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Asterisk vs Quo (formerly OpenPhone), in 15 seconds
Choose Asterisk if…
- You want the lower entry price
- You need a genuinely free plan
- You want deeper AI and automation features
- You need the broader feature set
Choose Quo (formerly OpenPhone) if…
- You want to trial before paying
- You depend on a broad integration ecosystem
- You have strict security & compliance needs
Head-to-Head Scorecard
How Asterisk and Quo (formerly OpenPhone) score
It's evenly matched, each leads on 3 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
AsteriskNo reviewsQuoNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Asterisk0Quo0 - Asterisk
Entry Pricing
Lowest published starting price (free plan = lowest)
AsteriskFreeQuoCustom - Even
Free Access
Availability of a free plan and/or free trial
AsteriskFree planQuoFree trial - Quo (formerly OpenPhone)
Integrations
Number of listed third-party integrations
Asterisk0Quo6 - Asterisk
Features
Number of listed product capabilities
Asterisk12Quo0 - Asterisk
AI Features
Capabilities mentioning AI, automation or ML
Asterisk1Quo, - Quo (formerly OpenPhone)
Security & Compliance
Number of listed compliance certifications
Asterisk,Quo2 - Quo (formerly OpenPhone)
Platforms & Deployment
Supported platforms and deployment options
Asterisk,Quo4
Feature Comparison
Asterisk vs Quo (formerly OpenPhone) feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Asterisk
Quo (formerly OpenPhone)Pricing Comparison
Asterisk vs Quo (formerly OpenPhone) pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Asterisk
Free to start- Open-source PBX/telephony toolkit
- VoIP, PSTN & SIP
- IVR & call routing
- Voicemail & conferencing
Quo (formerly OpenPhone)
Custom to start- Analytics and reporting
- shared phone numbers
- Integrations
- Standard support
- CRM integrations
- AI call transcripts and summaries
- Dedicated support and onboarding
- Advanced security and controls
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Asterisk vs Quo (formerly OpenPhone): strengths and trade-offs
Asterisk
Pros
- Free plan available
- Stronger AI / automation features
Cons
- Fewer native integrations than the alternative
- No compliance certifications listed
Quo (formerly OpenPhone)
Pros
- Free trial offered
- Broad integration ecosystem (6)
- Compliance: SOC 2, GDPR
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
Buyer Fit
Who should use Asterisk vs Quo (formerly OpenPhone)?
Startups
Asterisk
Asterisk keeps early-stage costs lowest with its entry tier.
Small businesses
Asterisk
Asterisk offers the most accessible pricing for lean teams.
Agencies
Quo (formerly OpenPhone)
Quo (formerly OpenPhone) connects to more tools for multi-client workflows.
Enterprises
Quo (formerly OpenPhone)
Quo (formerly OpenPhone) leads on compliance and breadth for complex needs.
Ecommerce
Quo (formerly OpenPhone)
Quo (formerly OpenPhone) integrates with more of the commerce stack.
SaaS companies
Quo (formerly OpenPhone)
Quo (formerly OpenPhone) is the more developer- and automation-friendly choice.
Integration overlap
Only in Asterisk (0)
Only in Quo (formerly OpenPhone) (6)
Keep Exploring
Other alternatives worth considering
Similar voip software products buyers compare alongside Asterisk and Quo (formerly OpenPhone).
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Asterisk and Quo (formerly OpenPhone) against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationAsterisk vs Quo (formerly OpenPhone), Frequently Asked Questions
What is the difference between Asterisk and Quo (formerly OpenPhone)?
Asterisk and Quo (formerly OpenPhone) are both VoIP Software solutions. Asterisk is rated 0.0/5 by 0 users, while Quo (formerly OpenPhone) is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Asterisk or Quo (formerly OpenPhone)?
Based on user ratings, Asterisk scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Asterisk or Quo (formerly OpenPhone)?
Asterisk is the more affordable option with a free plan available.
Does Asterisk or Quo (formerly OpenPhone) have a free plan?
Asterisk offers a free plan. Quo (formerly OpenPhone) does not have a free tier but does offer a free trial.
Can I switch from Asterisk to Quo (formerly OpenPhone)?
Switching between Asterisk and Quo (formerly OpenPhone) is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Asterisk vs Quo (formerly OpenPhone)?
Asterisk is best suited for teams that prioritise zero-cost tools. Quo (formerly OpenPhone) works well for teams needing advanced capabilities.
Our Verdict
The bottom line on Asterisk vs Quo (formerly OpenPhone)
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Asterisk
Asterisk has the friendliest entry point for new teams.
Best for Enterprise
Quo (formerly OpenPhone)
Quo (formerly OpenPhone) leads on compliance and feature breadth.
Best Value
Asterisk
Asterisk delivers the lowest cost to get started.
Best AI Features
Asterisk
Asterisk ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.