Is Otter safe? For anyone uneasy about AI notetaker privacy — keep your audio off the cloud

“Is Otter safe?” “Can I really trust an AI notetaker with my meeting audio?” If questions like these are nagging at you, the fastest way to decide isn’t to rank tools by name — it’s to choose based on where your audio actually goes. Here’s the short answer: if your real worry is “my audio ends up on someone else’s server,” then picking a local approach that keeps your audio and transcript off the network removes that premise entirely. OffReco is exactly that kind of tool, and its transcription even runs in airplane mode.

What’s actually being debated

Concern about cloud AI notetakers usually boils down to three points:

• Cloud upload: your recorded audio is sent to the service’s servers
• Consent: did everyone in the meeting agree to being recorded and transcribed?
• Training use: is the audio or transcript you handed over being used to train AI models?

A recent case has come to symbolize this debate. On August 15, 2025, a class action was filed against Otter.ai in California (the plaintiff is Justin Brewer). The complaint alleges that the service recorded conversations without the consent of all participants and used that content to train AI models. These are the plaintiff’s allegations and remain unproven at this point. In October 2025, several related suits were consolidated (source: NPR).

To be clear, all that can be stated here is that a lawsuit making those claims was filed. None of this establishes that Otter did anything unlawful or is liable. The point isn’t to put one company on trial — it’s to treat this as a set of questions common to cloud AI notetakers in general.

If you use a cloud tool, things worth checking (neutral)

This isn’t an argument that cloud tools are bad. Their ease of use and sharing have real value. But for sensitive meetings, it’s reassuring to confirm a few things yourself before signing up or flipping a setting:

• Whether there’s a setting so your audio and transcript aren’t used for training, and whether you can opt out
• Where data is stored and for how long, and how to delete it
• How you’ll obtain consent from every participant to record (in some jurisdictions all-party consent is legally required)
• Whether a recording bot joins the meeting, and how it appears to others

If a service can answer these clearly, you can choose it with eyes open.

Choosing “audio that never leaves the device”

The alternative is to pick a design where your audio never leaves the device in the first place — in which case most of the questions above disappear at the architecture level. That’s the local approach. OffReco is private by architecture: it’s built so that your audio doesn’t leave your Mac.

• Fully local processing: recording, transcription, and speaker separation all happen on your Mac. It doesn’t send your audio or transcript to any external server.
• Works in airplane mode: transcription runs with the network off, so you can confirm with your own eyes that nothing is leaving (only the first-run model download needs a connection).
• No bot in the call: no extra recording participant joins, so nothing odd shows up on the other side’s screen — and no screen-recording permission is needed.
• Strong on Japanese: tuned with Japanese meetings in mind, a good fit for internal-meeting notes.
• Low barrier to entry: first month free, then ¥200/month or ¥2,000/year. A privacy-first design doesn’t mean a premium price.

To avoid overstating things, an honest note: it’s not that there’s “zero communication.” The first-run model download and any optional feedback you choose to send do use the network. What can be said is the one thing that matters: it doesn’t send your audio or transcript off the device — and that’s the fundamental difference from cloud tools. You can read more in our approach to privacy.

Wrapping up

The question “Is Otter safe?” ultimately becomes “Am I comfortable handing my meeting audio to the cloud?” The Otter case is still at the allegation stage and unproven, but it’s a good prompt to rethink the questions common to all cloud AI notetakers — cloud upload, consent, and training use. If the very idea of audio leaving your machine bothers you, a local approach that keeps your audio off the cloud is a strong option. If you’re curious, download it and try it with airplane mode on. For related reading, see How to transcribe meetings on a Mac without sending audio to the cloud.