# ST Translator Pro vs NebulaBuds

The clearest difference is rating: NebulaBuds at 4.4 against ST Translator Pro's 3.7. NebulaBuds also leads on ratings volume (16K vs 3). ST Translator Pro's advantage is in-app purchases (none vs 12) and iOS requirement (10.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

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

NebulaBuds holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: NebulaBuds has 16K ratings behind it against 3, so its average is the more settled of the two.

ST Translator Pro ships an update fortnightly, NebulaBuds every 2 weeks. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ST Translator Pro | NebulaBuds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/st-translator-pro/id1475218747/reviews) | **[4.4 (16K ratings)](https://appshunter.io/ios/app/nebulabuds/id6480039371/reviews)** |
| Number of ratings | 3 | **16K** |
| Positive reviews | — | 20.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 73 MB | 168 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Casa Innovations Group LLC](https://appshunter.io/developer/1447256690) | [Shanghai PalmZen Wireless Technology Co.,Ltd](https://appshunter.io/developer/441512718) |

## What reviewers say

### ST Translator Pro

[App page](https://appshunter.io/ios/app/st-translator-pro/id1475218747)

This application facilitates real-time voice translation for over 30 languages, designed to work seamlessly with specialized translation earphones. It offers various communication modes for one-on-one conversations, group interactions, and language learning.

**Highlights:** Real-time 2-way voice translation, Supports over 30 languages, Face-to-face communication mode, Group communication mode, Language tutor mode, Verbal and visual translations

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ST Translator Pro free?

ST Translator Pro is free to download, with no in-app purchases.

### Is NebulaBuds free?

NebulaBuds is free to download, with in-app purchases available.

### Which has better reviews, ST Translator Pro or NebulaBuds?

NebulaBuds is rated higher. ST Translator Pro averages 3.7 out of 5 from 3 ratings, while NebulaBuds averages 4.4 from 16K ratings.

### Do ST Translator Pro or NebulaBuds have ads?

Neither ST Translator Pro nor NebulaBuds shows ads.

### Which is updated more often, ST Translator Pro or NebulaBuds?

ST Translator Pro ships an update fortnightly, and NebulaBuds every 2 weeks. Most recently, ST Translator Pro was updated on October 23, 2026 and NebulaBuds on October 28, 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.*