Friend is an open-source DIY wearable project documented as a speech-recording device with companion apps—not a verified, finished consumer product. Its documented wearable workflow sends audio from the device to a phone app, which uses the Whisper API to transcribe it. The project also describes a standalone app path that does not require the wearable.
What is the Friend AI wearable?
The Friend project combines wearable hardware and app software. Its README describes a device that records speech and can provide proactive feedback and advice. Those are project claims, not independently verified results. The README labels the device a prototype and says it is provided “as is,” without warranty. Read the project README.
Do not confuse this project with a separately surfaced Friend Global iOS app listing. The available sources do not establish that the app and open-source wearable project are connected. See the Friend Global listing.
How does Friend record and transcribe audio?
The project documentation shows the wearable streaming audio to a phone app. The app saves the audio and sends it to the Whisper API for transcription; the returned transcript is stored in the phone app. This documented flow relies on an external transcription service, so it should not be described as fully on-device AI processing.
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- Plaud Intelligence: Capture conversations in 112 languages and generate accurate transcripts with the Plaud App and Web. Plaud Intelligence uses leading models like GPT-5.5, Claude Sonnet 4.6, and Gemini 3.1 Pro to transform raw audio into structured insights. Choose from over 10,000 professional templates to generate mind maps and to-do lists, turning hours of discussion into immediate clarity
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The project also documents two ways to use its software:
| Approach | Hardware | Setup and credentials | Intended use |
|---|---|---|---|
| Standalone app | Not required | The README describes this path separately; no Whisper API key requirement is stated for it. | Explore the app without using the physical wearable. |
| Wearable-connected app | Physical wearable required | Requires a Whisper API key, according to the README. | Use the necklace device to capture audio and send it through the phone app for transcription. |
The README describes the workflow; it does not establish independent results, transcription accuracy, or privacy guarantees.
Rank #2
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What parts are named for a DIY build?
The project’s hardware buying guide names these components and a case design:
- Seeed Studio XIAO nRF52840 Sense board
- Rechargeable coin battery
- Slider switch
- A 3D-printable case design
These are component-level pointers, not a complete, revision-proof bill of materials. The documentation does not establish exact current retailer listings or guarantee that each part fits every hardware revision. Check the current design files and build instructions before ordering; battery and switch specifications are not detailed enough here to recommend precise replacements.
Rank #3
- ENHANCED CONTEXT WITH MULTIMODAL INPUT: Capture audio, type notes, add images, and press to highlight key moments for richer context. During recording, instantly mark key moments with a single button press. Simultaneously enrich your audio by snapping photos of important documents or typing in ideas
- CHAT WITH YOUR RECORDINGS USING "ASK Plaud": Unlock deeper insights with this interactive AI. Ask questions, extract key points, draft emails, and get next-step suggestions—all grounded in your original audio for reliable, ready-to-use answers
- INTELLIGENT RECORDING WITH AI DIRECTIONAL AUDIO: Enjoy seamless, intelligent recording with Plaud Note Pro. Its AI automatically switches between call and meeting modes while recording, while directional audio and real-time spatial awareness minimize noise to capture voices with crystal clarity
- Everything Included: Includes Plaud Note Pro, magnetic case, magnetic ring, charging cable, and a free Starter Plan with 300 transcription minutes per month. Upgrade anytime in the Plaud app to Pro Plan (1,200 min/mo) or Unlimited Plan(Up to 24 hours of transcription per user per day)
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Which phones and computers does it support?
The README says the documented version was tested on Mac and iPhone and that Android support was still being worked on. That describes the README revision, not a guarantee of current compatibility. Check the project’s latest instructions for the version you intend to build.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should you consider before using it?
A wearable that records conversation can capture other people’s speech as well as your own. Think through consent, where recordings are made, and how audio and transcripts are handled before use. The README asks users to follow applicable local privacy and data-protection laws; that general warning is not jurisdiction-specific legal advice.
Rank #4
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- AI Transcription Plans: Your device includes 300 free minutes of audio transcription each month. Need more capacity and advanced AI features? Easily scale up in the app with optional plans: Pro ($15.99/mo or $99.99/yr) or Unlimited ($239.99/yr). No mandatory commitment required. Note: Upgrading replaces the included 300-min base plan. Benefits do not stack across multiple devices.
- Small as a Coin, Built for All-Day Wear: At just 0.35 oz, Anker soundcore Work AI voice recorder is so light you'll forget it's there. Clip it to your collar, wear it as a necklace, or attach it to your phone-three flexible ways to bring it along for meetings, classes, interviews, and commutes. Press once to record, and double-tap to instantly highlight key moments.
- Never Miss What Was Said or Promised: Up to 97% accuracy and speaker identification mean every commitment, every detail, every name is captured-evenin in noisy environments. Supports 150+ languages including English, Spanish, French, Chinese, and Japanese.
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The README also claims “24h+ on single charge,” but it does not provide a test protocol or conditions for that figure. Treat it as the project’s claim, not an independently verified battery-life result.
Quick Recap
Best Value
- 【AI Companion Badge】This AI-powered e-badge proactively assists you: suggesting ambient adjustments, guiding breathing exercises for stress, and offering real-time help like outlining scripts or translating text. It manages schedules, provides personalized reminders, and shares relevant facts during inactivity. By blending advanced technology with practical support, it serves as a discreet and intelligent daily companion.（AI conversations supported in 101 languages）
- 【60-Language Translation】The Z01 is a professional AI translator that supports instant, real-time translation across 60 languages. Ideal for travel, business trips, and daily multilingual communication, it ensures smooth conversations even in remote areas.
- 【Wearable & Portable AI Badge】Designed as a compact, wearable e-badge, the device connects seamlessly to smartphones via Bluetooth. Its lightweight and durable build makes it easy to carry on-the-go—whether in a pocket, on a lanyard, or attached to clothing—keeping your AI assistant accessible anywhere.
- 【Privacy-First Local Processing】All translation and AI interactions are processed directly on the device, with no data sent to the cloud. This ensures complete privacy for your conversations and personal information, making it a secure tool for both casual and professional use.
- 【Customizable Touchscreen E-Badge】Featuring a magnetic touchscreen interface, the Z01 allows deep personalization. Users can upload custom wallpapers via the companion app, turning the device into a stylish accessory that reflects their personal style while offering intuitive control.
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