Otter.ai and spf.io are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Otter.ai: AI meeting assistant that records, transcribes, and summarizes meetings in real time with an auto-joining meeting agent. spf.io: AI captioning and translation platform for in-person, virtual, and hybrid events, supporting 100+ languages with broad streaming integrations. They overlap on ai-meeting-assistants, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants workflows, shortlist Otter.ai when real-time meeting transcription matters most, and spf.io when captioning and translating large in-person conferences across projectors and mobile devices matters most. Both record across Zoom, Google Meet, and Microsoft Teams; trial each on real meetings before committing.
Otter.ai is a free tier with paid upgrades (freemium); spf.io is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
Automatic live captions and translation in 100+ languages, with translated audio in 70+
Standout feature
OtterPilot auto-join agent
Projector display of up to four languages plus mobile QR/URL attendee access
Team usage
AI summaries and action items
Integrations with Zoom, Teams, Google Meet, YouTube, OBS, StreamYard, vMix, and Twitch
Integrations
Searchable meeting notes
Supervised/edited captioning and bidirectional translation modes
Languages & capture
Live highlights and comments
Vocabulary fine-tuning, custom speech recognition, and adapted translation models
Best-fit workflow
Real-time transcription
Optional professional captioners, interpreters, and remote operators as add-ons
Best for
Otter.ai
Choose Otter.ai if you need real-time meeting transcription — strengths include fast, accurate real-time transcription.
spf.io
Choose spf.io if you need captioning and translating large in-person conferences across projectors and mobile devices — strengths include very broad language coverage for both captions and translated audio.
Pros & cons
Otter.ai
+ Free plan with 300 transcription minutes per month
+ Strong live transcription with speaker identification
- Free plan capped at 300 minutes/month and 3 lifetime file imports
spf.io
+ Very broad language coverage for both captions and translated audio
+ Works across in-person, virtual, and hybrid events with many streaming integrations
- Add-on human services and operators add cost beyond the automated tooling
FAQ
Is Otter.ai or spf.io better for AI meeting notes?
It depends on your workflow. Otter.ai is strong for real-time meeting transcription, while spf.io is strong for captioning and translating large in-person conferences across projectors and mobile devices. Both transcribe and summarize meetings.
How do Otter.ai and spf.io compare on price?
Otter.ai is a free tier with paid upgrades and spf.io is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Can I use both Otter.ai and spf.io?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.