# NebulaBuds vs HeyCyan

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.

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.

## The numbers

| Metric | NebulaBuds | HeyCyan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16K ratings)](https://appshunter.io/ios/app/nebulabuds/id6480039371/reviews)** | [2.7 (329 ratings)](https://appshunter.io/ios/app/heycyan/id6742974094/reviews) |
| Number of ratings | **16K** | 329 |
| Positive reviews | **25.3% of reviews** | 23.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 168 MB | 250 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai PalmZen Wireless Technology Co.,Ltd](https://appshunter.io/developer/441512718) | [Shenzhen Qingcheng Future Technology Co., Ltd.](https://appshunter.io/developer/1800632657) |

## What reviewers say

### NebulaBuds

[App page](https://appshunter.io/ios/app/nebulabuds/id6480039371)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300-minute recording package | $14.99 | one-time |
| 3个月vip | $14.99 | one-time |
| 3 Month VIP | $19.99 | one-time |
| 3-Month VIP | $24.99 | one-time |
| 720-minute recording package | $29.99 | one-time |
| 1年vip | $29.99 | one-time |
| 1 Year VIP | $39.99 | one-time |
| 1-Year VIP | $59.99 | one-time |
| 1800-minute recording package | $59.99 | one-time |
| 1800-minutes recording package | $59.99 | one-time |

**What reviewers like**

- 👍 Good translation accuracy
- 🚀 Impressive AI features
- 💡 Versatile functionality

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Poor battery life
- 👎 Unreliable app performance
- 💸 Expensive subscription
- 🤔 Confusing instructions

**Reported bugs**

- App crashes or freezes
- Earbuds fail to connect
- Translation feature not working as advertised

**Requested features**

- Add more language support
- Improve live translation capabilities
- Streamline app setup and connectivity


### HeyCyan

[App page](https://appshunter.io/ios/app/heycyan/id6742974094)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*