Fathom vs Otter.ai
Both scored against the same 13 criteria, from the same hands-on testing. Here is where each one actually wins.
Last updated August 2026 · 28 tools ranked
Fathom and Otter.ai score identically at 3.9 out of 5 across our 13 weighted criteria, so the choice comes down to which criteria matter to you. Fathom leads on recording consent & compliance and data retention & training transparency. Otter.ai leads on ai analysis quality and real-time / live capability.
Fathom
#2 of 28Free AI meeting assistant with instant summaries
- Pricing
- Free tier available; paid from $16/mo
- Platforms
- Web, macOS, Windows
Otter.ai
#4 of 28Real-time transcription and agentic meeting AI for teams
- Pricing
- Free tier available; paid from $16.99/mo
- Platforms
- Web, iOS, Android, Chrome extension, macOS, Windows
All 13 Criteria, Side by Side
| Criterion | Weight | Fathom | Otter.ai | Winner |
|---|---|---|---|---|
| Privacy & Data Security | High | 3 | 3 | Tie |
| Transcription Accuracy | High | 5 | 5 | Tie |
| AI Analysis Quality | High | 4 | 5 | Otter.ai |
| Recording Consent & Compliance | Med | 4 | 2 | Fathom |
| Data Retention & Training Transparency | Med | 4 | 2 | Fathom |
| Real-Time / Live Capability | Med | 3 | 4 | Otter.ai |
| Recording Method | Med | 4 | 4 | Tie |
| Ease of Use | Med | 5 | 5 | Tie |
| Platform Support | Med | 4 | 5 | Otter.ai |
| Offline Capability | Med | 1 | 1 | Tie |
| Integration Ecosystem | Med | 5 | 5 | Tie |
| Knowledge Connection | Low | 5 | 5 | Tie |
| Pricing & Value | Low | 4 | 4 | Tie |
| Overall (weighted) | 3.9 | 3.9 | Tie |
Overall is a weighted average, not a mean: high-weight criteria count triple and low-weight criteria count once. See the formula.
Choose Fathom if…
- → Recording Consent & Compliance matters to you. Fathom scores 4/5 here against 2/5.
- → Data Retention & Training Transparency matters to you. Fathom scores 4/5 here against 2/5.
The best free option for individuals who want simple, no-fuss meeting notes, now backed by a transparent paid ladder and a real-time desktop app.
Choose Otter.ai if…
- → AI Analysis Quality matters to you. Otter.ai scores 5/5 here against 4/5.
- → Real-Time / Live Capability matters to you. Otter.ai scores 4/5 here against 3/5.
- → Platform Support matters to you. Otter.ai scores 5/5 here against 4/5.
A powerful, increasingly agentic cloud platform for teams who prioritize collaboration and live AI over on-device privacy.
Fathom at a glance
Strengths
- +Genuinely generous free tier
- +Very easy to use
- +Clean summaries
- +Bot-free capture and real-time summaries
Limitations
- −Cloud processing required
- −Advanced summaries capped at 5 calls/month on free plan
- −No mobile app yet (iOS announced, not shipped)
- −No offline mode
Otter.ai at a glance
Strengths
- +Strong real-time transcription
- +Voice-activated AI Meeting Agent and Sales Agent
- +Public API and Otter MCP server for connecting meeting data to external models
- +Established market presence with deep collaboration features
Limitations
- −Requires cloud processing for all data
- −Bot joins meetings by default (desktop app offers bot-free alternative)
- −AI training on user data is opt-out by default
- −Federal privacy class action survived dismissal in August 2026; court held Otter can be a third-party eavesdropper under CIPA