Comparison

NebulaBuds vs Voitrans

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

Voitrans

This AI-powered assistant offers hands-free voice commands, real-time translation for 38 languages, and AI-generated summaries and mind maps from meeting recordings. It ensures on-device privacy with ISO 27001 certified data handling.

Highlights
  • AI voice assistant with Bluetooth headset integration
  • 38-language live translation
  • AI meeting summaries and mind maps
  • Dialect-level tuning for recognition
  • Voice and text cross-modal understanding
  • ISO 27001 certified on-device privacy
Features
Read full description

Voitrans AI Voice Platform Streamlined for three essential features: •Core Features AI Voice Assistant– Activate with our Bluetooth headset for voice commands, queries, and smart tasks Live Translation– 38-language simultaneous interpretation for face-to-face conversations and travel Meeting Assistant– Upload recordings for AI-generated summaries, mind maps, and Q&A on meeting topics •Technical Edge Accurate Multilingual Recognition – Including dialect-level tuning Cross-Modal Understanding – Voice and text integration On-Device Privacy – ISO 27001 certified data handling •Use Cases Professionals: Instant translation & meeting mind mapping AI Headset Users: Hands-free voice assistant anytime Travelers: Face-to-face interpreter & travel language help

Screenshots

NebulaBuds4 screens
Voitrans4 screens

Verdict

The call

The clearest difference is rating: NebulaBuds at 4.4 against Voitrans's 1.0. NebulaBuds also leads on ratings volume (15K vs 1) and review sentiment (20% vs 0%). On price, update cadence, ads and in-app purchases 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 and Voitrans sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

NebulaBuds holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: NebulaBuds has 15K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of NebulaBuds's written reviews are positive against 0% of Voitrans's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
NebulaBuds versus Voitrans: the parameters behind the verdict, then further details
ParameterNebulaBudsVoitrans
PriceFreeFree
Rating4.4 (15K ratings) — better1.0 (1 ratings)
Positive reviews19.6% of reviews — better0.0% of reviews
Number of ratings15K — better1
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.6
Further details — not scored
Size164 MB183 MB
Age rating17+17+
DeveloperShanghai PalmZen Wireless Technology Co.,LtdSaitong Industries Inc

Customer experience

NebulaBuds

All ratings15,439 ratings
Positive85.4%
Neutral3.7%
Negative10.9%
Written reviews327 reviews
Positive19.6%
Neutral6.4%
Negative74.0%

Voitrans

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Voitrans

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

NebulaBuds

One-time10
  • 300-minute recording package2 variants$14.99
  • 3个月vip$14.99
  • 3 Month VIP$19.99
Show 7 more
  • 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
10 purchases

Voitrans

One-time10
  • vip_001$0.99
  • ai_chat_package$0.99
  • meet_001$1.99
Show 7 more
  • trade_001$4.99
  • vip_002$5.99
  • meet_002$6.99
  • vip_003$19.99
  • trade_002$22.99
  • meet_003$29.99
  • trade_003$99.99

Questions

Is NebulaBuds free?
NebulaBuds is free to download, with in-app purchases available.
Is Voitrans free?
Voitrans is free to download, with in-app purchases available.
Which has better reviews, NebulaBuds or Voitrans?
NebulaBuds is rated higher. NebulaBuds averages 4.4 out of 5 from 15K ratings, while Voitrans averages 1.0 from 1 ratings.
Do NebulaBuds or Voitrans have ads?
Neither NebulaBuds nor Voitrans shows ads.
Which is updated more often, NebulaBuds or Voitrans?
NebulaBuds ships an update every 2 weeks, and Voitrans every 2 weeks. Most recently, NebulaBuds was updated on September 25, 2026 and Voitrans on September 19, 2026.

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