Retell AIvsVoicebox
Unbiased side-by-side comparison of verified reviews, user ratings, features, and pros/cons to help you decide which software fits your business needs.
Quick answer: Retell AI vs Voicebox
In our 2026 comparison of Retell AI and Voicebox, Retell AI comes out ahead overall (weighted score 88% vs 73% for Voicebox). Retell AI is rated 4.6/5 from 5 user reviews; Voicebox is rated 4.2/5 from 1 user review. Retell AI starts at $0.07/month with a free trial; Voicebox has a free plan.
Last updated
| At a glance | Retell AI | Voicebox |
|---|---|---|
| Category | AI Voice & Text-to-Speech | AI Voice & Text-to-Speech |
| User rating | 4.6/5 (5 reviews) | 4.2/5 (1 reviews) |
| Starting price | $0.07/mo | Free plan |
| Free trial | Yes | Not listed |
| Listed features | 11 | 7 |
| Integrations | 5 | — |
| Platforms | Web | Windows, macOS, Linux |
| Ease of use | 4.5/5 | 3.9/5 |
| Customer support | 4.9/5 | 4.0/5 |
Retell AI
Starting Price
Starting at $0.07/month
Community Pulse
Advanced Ratings
Pros
- Among the fastest response times in the category at roughly 600ms
- Transparent flat-rate pricing with no hidden platform fee on top
- Compliance is included standard, which is a big deal for regulated industries
Cons
- Less flexibility than Vapi if you want to swap in arbitrary LLMs freely
- Less flexible than fully developer-first platforms for swapping LLMs, no self-hosting option, outbound calling is not the main strength
- Less flexible than fully developer-first platforms for swapping LLMs
Voicebox
Starting Price
Open Source
Community Pulse
Advanced Ratings
Pros
No pros extractedCons
No cons extractedProduct Overview
What each platform does and who it's for
Primary Category
The main classification for each product
Editorial Quality Rating
Independent expert panel ratings and quality validations
Retell AI
Expert Score
Voicebox
Expert Score
Integration Ecosystem
Compare supported third-party apps and services
Retell AI Integrations
Voicebox Integrations
No top integrations listed
Platform Support
Supported platforms across each product
Retell AI
Voicebox
Sentiment & Feedback
Real-world pros and cons from verified users
Retell AI Feedback
User sentiment analysis
- Among the fastest response times in the category at roughly 600ms
- Transparent flat-rate pricing with no hidden platform fee on top
- Compliance is included standard, which is a big deal for regulated industries
- Powers a genuinely large volume of calls already (30M+ monthly, per their data)
- Fast response times around 600ms, transparent flat-rate pricing with no hidden platform fee, compliance included standard, powers a large volume of production calls
- Less flexibility than Vapi if you want to swap in arbitrary LLMs freely
- Less flexible than fully developer-first platforms for swapping LLMs, no self-hosting option, outbound calling is not the main strength
- Less flexible than fully developer-first platforms for swapping LLMs
- No self-hosting option
- Outbound calling is not the main strength
Voicebox Feedback
User sentiment analysis
Feature Comparison
Detailed side-by-side capability checklist
Retell AI
11/18 features
- AI voice agents
- API
- Call Analytics
- Human handoff
- MCP
- Text-to-speech
- Telephony
- Webhooks
- Agent simulation
- Call transcripts
- Inbound calls
- Multi-voice editor
- Outbound calls
- Seven TTS engines
- Voice cloning
- Audio effects
- Knowledge bases
- Dictation
Voicebox
7/18 features
- AI voice agents
- API
- Call Analytics
- Human handoff
- MCP
- Text-to-speech
- Telephony
- Webhooks
- Agent simulation
- Call transcripts
- Inbound calls
- Multi-voice editor
- Outbound calls
- Seven TTS engines
- Voice cloning
- Audio effects
- Knowledge bases
- Dictation
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Pricing & Plans
Compare plans, features, and starting points side-by-side
Retell AI Pricing
SUBSCRIPTIONVoicebox Pricing
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Community Intelligence
Real-time crowdsourced comparison feedback and buyer signals.
Community Matchup Voting
Real-time crowdsourced buyer signals
Community vs. Editorial Alignment
Agreement between algorithmic rating & user voting
Retell AI
Calculated by features, pricing, support & ratings.
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Head-to-Head Winner Analysis
Data-backed performance comparisons across pricing, features, usability, and support
Matchup Scoreboard
At-a-glance scorecard results
Weighted Overall Scorecard
Normalized composite performance scores
Smart Recommendation Matrix
Head-to-head decision matrix based on your business workflow
- Teams prioritizing intuitive, zero-learning-curve UX and fast onboarding
- Teams looking for native integration with core workflow tools
- Power users requiring a broad range of out-of-the-box advanced features
- Teams seeking a zero-cost or freemium entry tier for Voicebox
- Teams needing broad multi-platform accessibility across desktop, mobile, and web
- Buyers open to a newer or less-reviewed option (fewer reviews so far)
Retell AI
Dimension scorecard
Multi-Dimension Performance
Winner Breakdown & Analysis
Retell AI wins overall with a weighted score of 88% based on user rating, pricing, features, usability, and support.
Pricing: $0.07/mo (Free Trial), a less accessible entry point than the leader.
Retell AI lists the most features (11 features).
Ranked #1 for usability with a user rating of 4.5/5 stars.
Ranked #1 for support with a user rating of 4.9/5 stars.
Available on 1 Platform: Web, fewer than the leader.
Voicebox
Dimension scorecard
Multi-Dimension Performance
Winner Breakdown & Analysis
Voicebox is a runner-up with a composite score of 73%.
Voicebox has the most accessible pricing ($0/mo (No Free Trial)).
Offers 7 features (fewer than the category leader).
Satisfactory usability with a user rating of 3.9/5 stars.
Decent support with a user rating of 4.0/5 stars.
Widest platform availability (3 Platforms: Windows, macOS, Linux).
Final Verdict:Retell AI
Retell AI scores higher across 8 of 11 key dimensions with a 15-point lead in our weighted analysis.
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Frequently asked questions: Retell AI vs Voicebox
Which is better: Retell AI or Voicebox?
Retell AI scores higher across 8 of 11 key dimensions with a 15-point lead in our weighted analysis. The best choice still depends on your team's workflow, budget and required integrations — use the side-by-side sections above to check the details that matter to you.
How do users rate Retell AI and Voicebox?
Retell AI is rated 4.6/5 from 5 user reviews. Voicebox is rated 4.2/5 from 1 user review. Ratings come from approved user reviews on SoftwareHope.
How much do Retell AI and Voicebox cost?
Retell AI starts at $0.07/month with a free trial. Voicebox has a free plan. Always confirm current pricing on the vendor's site, as plans change.
Do Retell AI and Voicebox offer a free plan or free trial?
Retell AI offers a free trial; Voicebox offers a free plan.
Which platforms do Retell AI and Voicebox support?
Retell AI supports Web; Voicebox supports Windows, macOS and Linux.
Which is easier to use, Retell AI or Voicebox?
Retell AI has an ease-of-use rating of 4.5/5, Voicebox has an ease-of-use rating of 3.9/5. Retell AI is rated easier to use by reviewers.
Most Helpful Reviews
Community-voted helpful feedback from verified users
Retell AI provides a straightforward, dependable solution that integrated smoothly into our operational stack. Uptime is consistent and user adoption across the team was immediate.
We have been using Retell AI across our departments and appreciate the simplicity and stability of the system. It handles core workflows without unnecessary bloat.
The platform has streamlined our daily operations, providing reliable tools and responsive support. Configuration was quick and the feature set aligns well with our requirements.
A well-built tool that delivers consistent value. The interface is clean, performance is snappy, and our operational workflows run smoothly.
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