Comparison

NebulaBuds vs HeyCyan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Bluetooth pairing and control
  • Battery and network monitoring
  • WiFi hotspot creation
  • Media export and synchronization
  • AI agent integration
Features
Read full description

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

NebulaBuds4 screens
HeyCyan3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NebulaBuds sells 10 one-off in-app purchases. HeyCyan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
NebulaBuds versus HeyCyan: the parameters behind the verdict, then further details
ParameterNebulaBudsHeyCyan
PriceFreeFree
Rating4.4 (16K ratings) — better2.7 (329 ratings)
Positive reviews25.3% of reviews — better23.3% of reviews
Number of ratings16K — better329
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size168 MB250 MB
Age rating17+4+
DeveloperShanghai PalmZen Wireless Technology Co.,LtdShenzhen Qingcheng Future Technology Co., Ltd.

Customer experience

NebulaBuds

All ratings15,684 ratings
Positive85.5%
Neutral3.7%
Negative10.9%
Written reviews430 reviews
Positive25.3%
Neutral6.3%
Negative68.4%

HeyCyan

All ratings329 ratings
Positive36.8%
Neutral7.9%
Negative55.3%
Written reviews257 reviews
Positive23.3%
Neutral8.9%
Negative67.7%

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

10 purchases

NebulaBuds

One-time10
  • 300-minute recording package$14.99
  • 3个月vip$14.99
  • 3 Month VIP$19.99
Show 7 more
  • 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
None

HeyCyan

No in-app purchases

Questions

Is NebulaBuds free?
NebulaBuds is free to download, with in-app purchases available.
Is HeyCyan free?
HeyCyan is free to download, with no in-app purchases.
Which has better reviews, NebulaBuds or HeyCyan?
NebulaBuds is rated higher. NebulaBuds averages 4.4 out of 5 from 16K ratings, while HeyCyan averages 2.7 from 329 ratings.
Do NebulaBuds or HeyCyan have ads?
Neither NebulaBuds nor HeyCyan shows ads.
Which is updated more often, NebulaBuds or HeyCyan?
NebulaBuds ships an update every 2 weeks, and HeyCyan every 3 weeks. Most recently, NebulaBuds was updated on November 7, 2026 and HeyCyan on November 5, 2026.

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