Symbl.ai

iPhone + Android

8.9No. 1 of 27
in Speech Analytics Software
  • Recognised40% of the score67
  • Phone app26% of the score100
  • Documented20% of the score88
  • Free plan14% of the score100
Free plan
Yes
Runs on
Android, api, iPhone, self-hosted, Web

Summary

Symbl.ai provides conversation intelligence APIs for enterprises building real-time AI agents and multimodal experiences. It analyzes voice, video, and chat, returning speech transcripts, topics, action items, follow-ups, questions, trackers, summaries, sentiment, analytics, and entities. Its Nebula model is focused on conversation-related text analysis and generation; it can process up to 16,000 tokens and supports English, Spanish, French, German, Italian, and more. SDKs let developers add conversation intelligence to web and mobile apps, while integrations cover CRM, business intelligence, meeting platforms, and data stores such as BigQuery, Google Cloud Storage, Snowflake, AWS S3, AWS Redshift, Databricks, and Microsoft SQL Server. Symbl lists Android, iOS, web, API, and self-hosted options. A free plan includes up to 1,000 audio/video minutes and 10,000 text words per month, with additional limits. PayG is 0.00 USD per month, billed usage-based; Enterprise pricing is custom. Data at rest uses AES-256 encryption and data in transit TLS. Conversations and processed intelligence are retained by default, and a Delete API can remove conversations by ID.

Who it is for

Symbl.ai suits AI, product, revenue, and data teams building conversation-aware applications or analyzing voice, video, and chat. It also offers private-environment deployment and enterprise support for Enterprise customers.

What is good

  • Extracts topics, actions, sentiment, summaries, and entities
  • Nebula supports multiple languages and up to 16,000 tokens
  • SDKs support web and mobile app development
  • Integrates with named cloud data stores
  • Free plan includes 1,000 audio/video minutes monthly

What to know first

  • Processed conversations are retained by default
  • Enterprise pricing is custom
  • Audio recordings and voice streams are not stored

Samsung Mobile US Press review

Symbl.ai: the full review

Symbl.ai combines conversation analysis APIs, integrations, and app-development SDKs, with a free tier and usage-based option. Readers should account for its default retention of conversations and processed intelligence when considering it.

Symbl.ai is a conversation-analysis platform for teams building AI agents or embedding voice, video, and chat intelligence in their products. It suits AI, product, revenue, and data teams that can work with APIs and SDKs. Its broad analysis capabilities and generous no-commitment entry point are appealing, but usage charges and default data retention need careful management.

Overview

Symbl.ai processes conversations in real time or after they occur, extracting transcripts and signals such as topics, action items, follow-ups, questions, summaries, sentiment, analytics, and entities. This range can support applications that need immediate cues as well as teams reviewing conversations later. It is a stronger fit for building conversation-aware workflows than for buyers seeking only a finished meeting or sales interface.

Nebula, Symbl.ai’s conversation-focused language model, analyzes and generates conversation-centric text. It handles up to 16,000 tokens and supports English, Spanish, French, German, Italian, and more. Enterprise customers can access the Nebula Model API at scale; the product’s appeal therefore depends partly on whether its model capabilities and deployment options fit the intended workload.

Key features

The APIs cover transcription, sentiment, compliance monitoring, coaching features, and other structured conversation signals. That breadth may reduce the number of separate analysis components a product team needs to assemble. Web and mobile SDKs provide a route to embedding those capabilities in apps, while the API-first approach asks more of teams than a ready-made interface would.

Integrations cover CRM, business intelligence, virtual meeting platforms, and data stores. Named data destinations include BigQuery, Google Cloud Storage, Snowflake, AWS S3, AWS Redshift, Databricks, and Microsoft SQL Server. This range helps teams connect conversation analysis to existing data systems, though the integration set alone does not establish which connectors or workflows a particular team needs.

Symbl.ai encrypts data at rest with AES-256 and protects data in transit with TLS. Its security overview names SOC 2, CSA Controls Matrix, ISO 27001, HIPAA, PCI DSS, and GDPR, with reports shared under NDA. Conversations and processed intelligence are retained by default; audio recordings and voice streams are not stored, and a Delete API can remove conversations by ID. Teams handling sensitive data should account for that retention behavior in their policies and workflows.

Pricing

The Free plan costs 0.00 USD per free. It includes up to 1,000 audio/video minutes and 10,000 text words per month, up to 50 Call Score criteria, up to five minutes of Real Time Assist, and five concurrent connections. Those caps make it a practical starting point for evaluation or modest workloads, but teams exceeding any allowance will need to consider metered usage or Enterprise.

PayG costs 0.00 USD per month, billed usage-based, with no usage commitment. Audio/video is free for the first 1,000 minutes per month, then $0.027 per minute for the next 29K and $0.017 per minute over 30K. Text is free for the first 10,000 words per month, then $0.0002 per word for the next 3.74M and $0.00012 per word over 3.75M. Call Score API usage costs $0.10 per criteria per conversation. The free allowances lower the cost of a small start, but sustained usage can make forecasting important; teams should also account for the separate Call Score charge.

Enterprise has custom pricing. It adds high-volume usage discounts, custom concurrency, Nebula Model API access at scale, enterprise support and SLAs, and deployment in a private environment. It is the relevant option for organizations that need those controls or support commitments, but buyers should expect to scope the price to their requirements.

Platforms

Symbl.ai supports Android, iOS, web, API, and self-hosted deployment. The combination of mobile SDKs, web SDKs, and APIs gives development teams several routes to embed conversation intelligence. Private-environment deployment is an Enterprise option, rather than a stated feature of every plan.

Who it's for

Symbl.ai is best suited to AI, product, revenue, and data teams building conversation-aware apps, agents, or analysis workflows. Its APIs, SDKs, and integration options reward teams able to build around them. It is less compelling for buyers who want a ready-made application without an integration project, or for organizations unwilling to manage default retention of conversation data and processed intelligence.

Pros and cons

  • Pros: Broad extraction capabilities span transcription, sentiment, topics, action items, and other useful conversation signals, supporting multiple analysis needs through one platform.
  • Pros: Free monthly allowances and PayG with no usage commitment let teams start without a paid subscription commitment.
  • Pros: Mobile and web SDKs, APIs, and a range of data integrations give product teams options for embedding results into existing workflows.
  • Cons: PayG metering and a separate Call Score charge can complicate cost estimates as usage grows.
  • Cons: Conversations and processed intelligence are retained by default, requiring teams to plan deletion and data handling rather than assume automatic removal.
  • Cons: Enterprise-only private deployment, support and SLAs, custom concurrency, and Nebula API access at scale put those requirements behind a custom-priced plan.

Alternatives

Twilio Segment is worth considering when visitor volumes, Reverse ETL records, sources, and integrations are central to the choice: its free plan includes 1,000 visitors per month, 500,000 Reverse ETL records per month, two sources, and 700+ integrations.

Avoma may suit teams that prefer seat-based plans and free view-only seats: its Startup plan is 19.00 USD per month, billed annually, with up to 25 paid seats and unlimited free view-only seats; Organization is 29.00 USD per month.

ExecVision is another paid option for buyers considering a conversation-focused platform.

Gong Forecast is a paid alternative with per-user licenses and a platform fee based on the number of users supported.

Jiminny is an option for teams considering a freemium platform with web, mobile, desktop, extension, and API availability; its Insights Seat is 42.00 USD per month and has a minimum 12-month contract.

CTM Conversation Intelligence may fit teams looking for a paid call-focused service with unlimited users and 3,000 transcribed minutes included in its Marketing Lite plan at 79.00 USD per month, billed monthly.

Revenue.io is built for Salesforce teams of 15 or more seats and pairs a Salesforce-native dialer with real-time coaching, recording, and routing.

Twilio Conversation Intelligence is another paid option for buyers evaluating language-operator-based analysis.

Browse Speech Analytics Software or AI Sentiment Analysis Software for more options in those categories.

Verdict

Choose Symbl.ai if your team is building an app or agent that needs conversation analysis across voice, video, or chat, and values API breadth, SDKs, and a usage-based entry point. Its strongest case is the combination of rich conversation signals and flexible integration paths. Look elsewhere if you need a ready-made interface, want predictable seat-based pricing, or cannot accept default retention of conversations and processed intelligence.

Symbl.ai plans and pricing

All plans
PayG Free Usage-based; Audio/Video: first 1,000 mins/month $0/min, next 29K $0.027/min, over 30K $0.017/min; Text: first 10,000 words/month $0/word, next 3.74M $0.0002/word, over 3.75M $0.00012/word No usage commitment · Call Score API: $0.10/criteria per conversation · Real Time Assist: up to 5 minutes at $0 · Up to 50 concurrent connections symbl.ai · 30 Sept 2026
Free Free Audio/Video: up to 1,000 mins/month · Text: up to 10,000 words/month · Call Score: up to 50 criteria · Real Time Assist: up to 5 minutes · 5 concurrent connections symbl.ai · 30 Sept 2026
Enterprise Not published Custom pricing High volume usage discounts · Custom concurrency · Nebula Model API access at scale · Enterprise support and SLAs · Private environment deployment symbl.ai · 30 Sept 2026

Compared on speech analytics software

Free plan
Yessymbl.ai

Facts

Purpose
Symbl.ai enables enterprises to build real-time AI agents, orchestrate multimodal experiences, and analyze voice, video, and chat conversations.symbl.ai · 30 Sept 2026
Conversation intelligence
Its APIs extract speech transcription, topics, action items, follow-ups, questions, trackers, summaries, sentiment, analytics, and entities from conversations.docs.symbl.ai · 30 Sept 2026
Nebula
Nebula is Symbl.ai’s conversation-focused large language model for analyzing and generating conversation-centric text.symbl.ai · 30 Sept 2026
Nebula capacity
The Nebula page states it can process up to 16,000 tokens and supports English, Spanish, French, German, Italian, and more.symbl.ai · 30 Sept 2026
Security
The security overview states that data at rest is encrypted with AES-256 and data in transit is protected with TLS encryption.symbl.ai · 30 Sept 2026
Compliance
Symbl’s security page lists SOC 2, CSA Controls Matrix, ISO 27001, HIPAA, PCI DSS, and GDPR among its security and regulatory standards, with reports shared under NDA.symbl.ai · 30 Sept 2026
Data retention
The FAQ states that conversations and processed intelligence are retained by default, audio recordings and voice streams are not stored, and a Delete API can remove conversations by ID.symbl.ai · 30 Sept 2026
Deployment
The pricing page says Enterprise customers can deploy in a private environment.symbl.ai · 30 Sept 2026
Support
The pricing page includes enterprise support and SLAs with the Enterprise plan.symbl.ai · 30 Sept 2026
Intended users
The homepage presents use cases for AI teams, product teams, revenue teams, and data teams.symbl.ai · 30 Sept 2026
Web and mobile development
Symbl’s documentation describes SDKs for adding conversation intelligence to web and mobile apps.docs.symbl.ai · 30 Sept 2026
Ownership
Symbl.ai announced that it was joining Invoca in May 2025.symbl.ai · 30 Sept 2026

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