Cresta: Enterprise contact-center AI platform combining real-time agent assist, autonomous AI agents, and conversation intelligence. Letterly: Letterly is a multilingual AI speech-to-text app that turns dictated speech into polished notes, emails, summaries, and meeting transcripts across iOS, Android, Mac, Windows, and Web. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Cresta when assisting contact-center agents in real time during customer conversations matters most, and Letterly when transcribing and summarizing meetings or interviews with speaker separation matters most. Run both through a week of actual calls to see which suits your workflow.
Enterprise contact-center AI platform combining real-time agent assist, autonomous AI agents, and conversation intelligence.
Letterly is a multilingual AI speech-to-text app that turns dictated speech into polished notes, emails, summaries, and meeting transcripts across iOS, Android, Mac, Windows, and Web.
Cresta is an enterprise customer-experience AI platform that unifies human and AI agents across voice and digital channels. It captures conversations through integrations with major contact-center systems such as Genesys, NICE, Salesforce, Twilio, and Amazon Connect, then analyzes those interactions at scale to surface behavioral insights and deliver real-time guidance. Its Agent Assist listens to live conversations and provides agents with in-the-moment suggestions, knowledge, and next-best actions, while a Knowledge Agent proactively surfaces context-aware answers without manual prompting. Cresta's conversation intelligence analyzes 100% of interactions to identify the behaviors that drive outcomes, and its automated quality management scores conversations across the board so supervisors gain visibility without manual sampling. The platform also offers autonomous AI agents that can resolve customer conversations end to end, plus an Agent Operations Center that gives supervisors real-time visibility and intervention tools across both human and AI-led conversations. Cresta is built for large enterprise contact centers in industries such as financial services, travel and hospitality, telecommunications, insurance, and healthcare that need real-time assistance, coaching, and analytics at scale. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Letterly is a voice-to-text application that converts spoken words into clean, structured written text. Aimed at professionals, students, content creators, and anyone who prefers talking to typing, it lets users record speech directly in the app or dictate into other apps, then automatically transcribes the audio. Beyond raw transcription, Letterly applies AI rewriting so a single recording can become an email, a summary, a social post, a task list, a journal entry, or a meeting recap, using preset styles or custom instructions. It automatically detects and transcribes a wide range of languages and can handle mid-sentence language switching. For meetings and interviews, it offers speaker separation and can generate summaries from a recording. The app supports extended recordings, offline and screen-off dictation, quick-record widgets, and live sync across devices, including Apple Watch. It also integrates with external tools via Zapier and webhooks. Letterly states that user data is kept private and not used to train AI models. It runs on iOS, Android, Mac, Windows, and Web.
Best suited for
Cresta is a free tier with paid upgrades (freemium); Letterly is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Cresta | Letterly |
|---|---|---|
| Core capability | Real-time Agent Assist with live suggestions and knowledge | Automatic speech-to-text transcription of recorded or dictated audio |
| Standout feature | Conversation intelligence analyzing 100% of interactions | AI rewriting into multiple formats (emails, summaries, posts, task lists, journal entries) |
| Team usage | Automated quality management and scoring across all calls | Multilingual transcription with automatic language detection and mid-sentence switching |
| Integrations | Knowledge Agent that proactively surfaces context-aware answers | Meeting/interview support with speaker separation and summary generation |
| Languages & capture | Autonomous AI agents for end-to-end conversation resolution | Offline and screen-off recording, plus quick-record widget and Apple Watch dictation |
| Best-fit workflow | Integrations with Genesys, NICE, Salesforce, Twilio, and Amazon Connect | Cross-device sync and integrations via Zapier and webhooks |
Cresta
Choose Cresta if you need assisting contact-center agents in real time during customer conversations — strengths include delivers real-time guidance during live conversations, not just post-call review.
Letterly
Choose Letterly if you need dictating and polishing emails, messages, and notes faster than typing — strengths include broad multilingual coverage with automatic language detection.
Cresta
Letterly
It depends on your workflow. Cresta is strong for assisting contact-center agents in real time during customer conversations, while Letterly is strong for dictating and polishing emails, messages, and notes faster than typing. Both transcribe and summarize meetings.
Cresta is a free tier with paid upgrades and Letterly is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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