NebulaBuds vs HeyCyan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NebulaBuds
This app offers real-time translation for over 130 languages, supporting audio, video calls, and even text from photos. It features AI-powered voice assistance, meeting summarization, and a unique dual-ear mode for seamless conversations.
- Real-time translation for 133 languages
- Photo and text translation with layout preservation
- Audio and video call interpretation
- AI voice wake-up for information
- Dual ear mode for simultaneous conversation
- AI meeting notes and summarization
- AI smart chat for advice
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Nebula Buds AI Interpretation APP: Translate up to 133 languages -Photo Translation: Signs, menus, product labels—translate instantly with a snap, with 1:1 font and layout preservation. -DeepSeek R1: The latest AI large model, real-time connectivity, deep thinking, with visible process. - AI Voice Wake-up: Say "Hey Nebula" to check real-time information like weather and news, - Audio and Video Call Translation: Translate conversations during video calls. The other party doesn’t need to download the app. - Dual Ear Mode: Share one earbud each, speak simultaneously, and interrupt freely, breaking free from turn-based conversations. - Meeting Notes: Identify speakers and quickly summarize meeting content. - AI Smart Chat: Realistic voice responses, answer anytime, and offer advice for your life and work. - Simultaneous Interpretation: Real-time translation of 133 languages, your personal interpreter in your ear.
HeyCyan
Connect your smart glasses to your smartphone for Bluetooth control, battery monitoring, and WiFi hotspot creation. Manage media, create hotspots, and access AI agents directly from your phone.
- Bluetooth pairing and control
- Battery and network monitoring
- WiFi hotspot creation
- Media export and synchronization
- AI agent integration
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HeyCyan facilitates seamless connectivity between smart glasses and your smartphone: 1.Bluetooth Pairing and Control: Pair your glasses with your phone via Bluetooth for precise control over various functions such as volume adjustment, gesture settings, and system updates. 2.Battery and Network Monitoring: Monitor remaining battery life and network usage of your glasses directly from your smartphone. You can also manage WiFi connections on the glasses through the app. 3.WiFi Hotspot and Media Management: Utilize the glasses' WiFi module to create hotspots, enabling easy export, synchronization, viewing, editing, sharing, and saving of photos and call recordings from your glasses to your phone. 4.AI Integration: Access a variety of AI agents directly through the app. Easily add them to your library and enjoy enhanced AI services on your AR glasses.
Screenshots
Verdict
The clearest difference is rating: NebulaBuds at 4.4 against HeyCyan's 2.7. NebulaBuds also leads on ratings volume (16K vs 329). HeyCyan's advantage is in-app purchases (none vs 10). On price, review sentiment, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. NebulaBuds sells 10 one-off in-app purchases. HeyCyan asks for nothing beyond the download.
NebulaBuds holds the better App Store score, 4.4 against 2.7. That said, the two scores are not equally well evidenced: NebulaBuds has 16K ratings behind it against 329, so its average is the more settled of the two. Written reviews point the same way: 25% of NebulaBuds's written reviews are positive against 23% of HeyCyan's.
NebulaBuds ships an update every 2 weeks, HeyCyan every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | NebulaBuds | HeyCyan |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (16K ratings) — better | 2.7 (329 ratings) |
| Positive reviews | 25.3% of reviews — better | 23.3% of reviews |
| Number of ratings | 16K — better | 329 |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 168 MB | 250 MB |
| Age rating | 17+ | 4+ |
| Developer | Shanghai PalmZen Wireless Technology Co.,Ltd | Shenzhen Qingcheng Future Technology Co., Ltd. |
Customer experience
NebulaBuds
HeyCyan
Bugs and requests
NebulaBuds
Reported bugs
3 issues- App crashes or freezes
- Earbuds fail to connect
- Translation feature not working as advertised
Requested features
3 requests- Add more language support
- Improve live translation capabilities
- Streamline app setup and connectivity
HeyCyan
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NebulaBuds
- 300-minute recording package$14.99
- 3个月vip$14.99
- 3 Month VIP$19.99
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- 3-Month VIP$24.99
- 720-minute recording package$29.99
- 1年vip$29.99
- 1 Year VIP$39.99
- 1-Year VIP$59.99
- 1800-minute recording package$59.99
- 1800-minutes recording package$59.99
HeyCyan
No in-app purchases







