ST Translator Pro vs NebulaBuds
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ST Translator Pro
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.
- 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
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Welcome to use ST Translator, the ST Translator is specially designed to work with the Supreme Translation Earphone. The ST Translator comes with below outstanding features: 1. Real-time 2 way voice translation with 5 optional modes: * Face to face communication. Communicate in real time with people you meet during traveling. * Group communication. Communicate in real time with a group of people, each in their own language. * Instant communication. Communicate in real time with another user who has the translator earphone. * Language tutor. Practice & learn languages by using the translator earphone. * Broadcast. Speak to a group of people who use the translator earphone, each in their own language. 2. Support more than 30 different languages. 3. Verbal and visual translations. 4. Your best tool when you visit a foreign country.
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.
Screenshots
Verdict
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.
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. 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.
| Parameter | ST Translator Pro | NebulaBuds |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.4 (16K ratings) — better |
| Positive reviews | — | 20.5% of reviews |
| Number of ratings | 3 | 16K — better |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 73 MB | 168 MB |
| Age rating | 4+ | 17+ |
| Developer | Casa Innovations Group LLC | Shanghai PalmZen Wireless Technology Co.,Ltd |
Customer experience
ST Translator Pro
NebulaBuds
Bugs and requests
ST Translator Pro
Not enough reviews yet to summarise bugs or 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
In-app purchases
ST Translator Pro
No in-app purchases
NebulaBuds
- 300-minute recording package2 variants$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 package2 variants$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
