The honest comparison
Choose your gadget
with open eyes.
Every AI device trades something for something. Here's what each one really asks of you — attention, money, or privacy — and what it gives back.
Zitro
One button, one answer, then dark.
- $25 once — no subscription, no account
- Listens only while you press the button
- No feed, notifications, or ads by design
- Open-source firmware, your own AI key
- Kid-safe calm: parental lock, nothing to scroll
- Needs WiFi and your own OpenAI key
- Small 1.14" screen — answers are read, not heard
- Audio and camera modules still experimental
Best forKids' first AI, screen-time reducers, and anyone who wants answers without an ecosystem.
Meta Ray-Ban & friends
A camera and an assistant on your face.
- Hands-free photos, video, and open-ear audio
- Always with you once you wear them
- Polished apps and a big ecosystem
- A camera pointed at everyone you talk to
- Tied to a big-tech account and cloud AI
- Friends and bystanders never opted in
- Battery anxiety by lunchtime
Best forContent creators who want hands-free capture — and are at peace with wearing a camera.
Humane, Limitless, Bee
Wearables that remember your day.
- Featherweight and screen-free
- Ambient capture is great for notes and recall
- Many record conversations continuously
- Cloud accounts, subscriptions, vendor lock-in
- Humane's Pin was shut down within a year — hardware can be orphaned
Best forDedicated note-takers who accept always-on recording and a subscription.
Rabbit R1
A playful orange pocket companion.
- Dedicated device, distinctive design
- Bigger screen and a scroll wheel
- No subscription
- Queries processed in the vendor's cloud
- Another app-like screen competing for attention
- Usefulness beyond a phone is debated
Best forGadget enthusiasts who want to experiment with an AI-native device.
Your phone + a chat app
The most capable AI you own.
- Most powerful models, voice modes, vision
- No new hardware to buy
- Always up to date
- Every question opens the attention casino — feed, badges, "one quick look"
- Accounts, history, and data tied to a vendor
- Not a device you hand a seven-year-old
Best forDeep work sessions at a desk — when you trust yourself not to wander.
Smart speaker
Alexa, Google Home & co.
- Hands-free for the whole household
- Great for timers, music, smart home
- A microphone that's always waiting in the room
- Tied to a shopping/advertising ecosystem
- Answers are spoken over everyone present
- Stays home — no help on a walk
Best forKitchen timers and music — less so for curious questions on the move.
The full spec sheet
| Feature | Zitro | OpenAI io (speculative) | Apple AI (speculative) | Meta Ray-Ban AI Glasses Gen 2 | Humane AI Pin | Rabbit R1 | Limitless Pendant | Plaud NotePin | Bee AI pendant |
|---|---|---|---|---|---|---|---|---|---|
| Price (approx.) | $25 | ? | ? | $379 | $699 | $199 | $99 | $159 | $49 |
| Subscription | – | Likely | – | – | $24/mo | – | Likely | Optional | Likely |
| Cellular | – | Likely | Likely | – | ✓ | ✓ | – | – | – |
| Wi-Fi | ✓ | Likely | Likely | ✓ | ✓ | ✓ | – | – | – |
| Always listening | – | Likely | Likely | ✓ | – | ✓ | ✓ | ✓ | ✓ |
| Compute location | On-device (ESP32) | Hybrid edge + cloud | Hybrid, likely iPhone offload | On-device + phone + cloud | On-device + cloud | Hybrid | Cloud | Cloud | Cloud |
| Size | 48 x 25 x 13 mm | ? | ? | ? (varies by frame) | 47.5 x 44.5 x 8.25–14.98 mm | 78 x 78 x 13 mm | ? | ? | ? |
| Weight | 17 g | ? | ? | 52 g | 34.2 g (booster 20.5 g) | 115 g | ? | ? | ? |
| Battery capacity / life | 200 mAh | ? | ? | Up to 8 h (plus case) | ~4 h (up to 9 h with booster) | 1000 mAh | ? | ? | ? |
| Display | 1.14" TFT | – | – | – | Laser projection | 2.88" LCD | – | – | – |
| Camera | Optional | ✓ Likely | ✓ Likely | ✓ | ✓ | ✓ | – | – | – |
| Speaker | ✓ | ✓ | ✓ | ✓ (open-ear) | ✓ | ✓ (2W) | – | – | – |
| Privacy model | Local firmware | ? | Likely local-first | Recording LED indicator | Trust light + manual trigger | Cloud-processed queries | Cloud memory archive | Audio-first recording | Continuous audio capture |
| LLM model | – | OpenAI (likely GPT-5+) | Apple Foundation Models | Meta AI (Llama family) | OpenAI (cloud) | Cloud LLM (Rabbit OS) | Proprietary | Transcription LLM | Proprietary |
| Apps / extensibility | Programmable firmware | ? | Apple ecosystem | Meta AI app + integrations | Limited, no native apps | Limited integrations | Companion app | Note-taking integrations | Limited |
| Availability | Available now | ~2026 (rumored) | ? | Released (Gen 2) | Apr 2024, shutdown Feb 2025 | Released 2024 | Released 2024 | Released 2024 | Released 2024 |
Entries marked "speculative" are based on public rumors, not announced products. Prices are approximate street prices.
The quiet one is $25
No subscription, no account, no camera on your face. Just answers.