Comparison

Voice Translator vs redOS.

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

Head to head
About

Voice Translator

This app instantly translates your voice into another language with high accuracy. It supports both voice and text input, offers sharing options, and works across numerous languages. Designed for ease of use on iPhones and iPads.

Highlights
  • Instant voice-to-voice translation
  • Accurate voice recognition
  • Voice and keyboard input
  • Share translations via email/SMS
  • Supports over 30 languages
  • Auto speech end detection
Features
Read full description

Voice Translator is a translation assistant in your pocket that translates your voice to another language instantly, with accurate voice recognition. -Instantly translate your voice to another language, voice to voice. -Super accurate voice recognition. -Both voice and keyboard typing translation supported. -Share your translation result through email and SMS. -Displays voice recognition confidence level. -Beautifully designed user interface. -Compatible with both iPhone and iPad. -Auto detects end of speech. -All in One package. -Supports over 30 most used languages in the world. Languages Supported: Afrikaans, Arabic, Chinese(Simplified), Chinese(Traditional), Czech, Danish, Dutch, English, Finnish, French, German, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Thai, Turkish Please be noted: 1, Internet connection is required for the operation 2, Turn on the microphone access in: setting->privacy->microphone 3, Microphone is on the top of iPad, but it is at the bottom of iPhone http://www.greenlake.co http://www.facebook.com/greenlaketech https://twitter.com/GreenLakeApp

About

redOS.

Monitor the real-time status of the electricity system with key operational indicators. Choose between a consumer profile for energy transition engagement or a professional profile for in-depth data on generation, demand, prices, and exchanges.

Highlights
  • Real-time system status
  • Consumer profile
  • Professional profile
  • Electricity demand data
  • Generation information
  • CO2 emissions tracking
  • Price and exchange data
Features
Read full description

We introduce you redOS, the app of Red Eléctrica de España, which allows you to know, in real time, the situation of the electricity system through a set of indicators of the system operation. You can choose between two user profiles: a “consumer” profile that allows you to become an active player in the energy transition, as consumer and self-consumer; and a “professional” profile where you will find extended information on generation, demand, prices and exchanges to be always informed on the current situation of the electricity system. You can find the following information categories: • Electricity demand. • Generation. • CO2 emissions. • Installed power. • Electricity exchanges. • Wholesale prices. • Retail prices.

Screenshots

Voice Translator3 screens
redOS.4 screens

Verdict

The call

The clearest difference is review sentiment: Voice Translator at 63% against redOS.'s 0%. Voice Translator also leads on rating (3.4 vs 1.0) and ratings volume (40 vs 1). redOS.'s advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 3 weeks). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Voice Translator sells 1 one-off in-app purchase. redOS. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Voice Translator holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Voice Translator has 40 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Voice Translator's written reviews are positive against 0% of redOS.'s.

UpkeepUpdate frequency

Voice Translator ships an update every 3 weeks, redOS. weekly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Voice Translator versus redOS.: the parameters behind the verdict, then further details
ParameterVoice TranslatorredOS.
PriceFreeFree
Rating3.4 (40 ratings) — better1.0 (1 ratings)
Positive reviews63.1% of reviews — better0.0% of reviews
Number of ratings40 — better1
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size30 MB42 MB
Age rating4+4+
DeveloperGreen Lake Technology LtdRed Eléctrica de España

Customer experience

Voice Translator

All ratings40 ratings
Positive60.0%
Neutral7.5%
Negative32.5%
Written reviews203 reviews
Positive63.1%
Neutral8.9%
Negative28.1%

redOS.

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Voice Translator

Reported bugs

11 issues
  • Network connection error appears despite strong internet signal
  • App crashes or becomes unresponsive
  • Voice recognition fails intermittently
  • App stops working after initial use
  • Language pack disappears after purchase
Show 6 more
  • Incompatibility with iPhone 12
  • External keyboard compatibility issues
  • Speech recognition only works with built-in keyboard
  • Cannot process multiple sentences at once
  • Inconsistent translation quality between language pairs
  • Poor voice recognition from non-native speakers

Requested features

13 requests
  • Add Irish and Scots Gaelic languages
  • Add Vietnamese language support
  • Add Persian language support
  • Add Puerto Rican Spanish variant
  • Add Ukrainian language
Show 8 more
  • Offline language downloading capability
  • Variable speed playback for audio
  • Repeat translation without retyping
  • Male voice option for translations
  • Disable auto-correct for foreign languages
  • More language options in general
  • Romaji translation for Japanese
  • British English flag instead of American

redOS.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Voice Translator

One-time1
  • Remove Ads$2.99
None

redOS.

No in-app purchases

Questions

Is Voice Translator free?
Voice Translator is free to download, with in-app purchases available.
Is redOS. free?
redOS. is free to download, with no in-app purchases.
Which has better reviews, Voice Translator or redOS.?
Voice Translator is rated higher. Voice Translator averages 3.4 out of 5 from 40 ratings, while redOS. averages 1.0 from 1 ratings.
Do Voice Translator or redOS. have ads?
Neither Voice Translator nor redOS. shows ads.
Which is updated more often, Voice Translator or redOS.?
Voice Translator ships an update every 3 weeks, and redOS. weekly. Most recently, Voice Translator was updated on October 26, 2026 and redOS. on October 24, 2026.

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