Comparison

Lịch VN vs Voi Interpreter

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

Head to head
About

Lịch VN

This utility app provides a calendar for Vietnam, allowing users to easily convert Gregorian dates to Lunar dates and vice versa. It offers a straightforward way to manage and view Vietnamese calendar information.

Highlights
  • Vietnamese calendar view
  • Gregorian to Lunar date conversion
  • Lunar to Gregorian date conversion
  • Date information
Features
Read full description

Xem lịch Việt Nam. Chuyển đổi ngày Dương Lịch sang Âm Lịch và ngược lại.

About

Voi Interpreter

Features
Read full description

Voi is a real-time voice interpreter that translates speech instantly — so you can focus on the conversation, not the language barrier. Whether you're in a business meeting, an international conference, or a casual conversation with someone who speaks a different language, Voi delivers accurate, low-latency translations powered by Soniox's industry-leading speech recognition technology. —————————————————————————————— KEY FEATURES —————————————————————————————— • Real-Time Speech Translation Speak naturally — Voi transcribes and translates your words in real-time, sentence by sentence. Supports 60+ languages including Vietnamese, English, Japanese, Korean, Chinese, French, and more. • Two-Device Interpretation Mode Connect two smartphones for face-to-face interpretation. Each person speaks in their own language and hears the other's translation automatically. Perfect for business meetings, medical consultations, and international negotiations. • Guest Approval Control Hosts can require approval before guests join a two-device session, ensuring only authorized participants can connect. • Automatic Meeting Minutes After every session, Voi generates structured meeting minutes including a summary, key decisions, and action items — powered by AI. Export as TXT, DOCX, or PDF and share instantly. • Domain-Specific Translation Choose your conversation domain — Technology, Legal, Medical, Finance, and more — for terminology-accurate translations tailored to your field. • Session History Every conversation is saved locally on your device. Search, filter, and review past sessions anytime. Each session includes a full transcript and AI-generated summary. • Privacy First Audio is processed in real-time and never stored on our servers. Transcripts are saved locally on your device only. • Works with Bluetooth Headphones Use Bluetooth earbuds for private listening during two-device interpretation — ideal for confidential meetings. —————————————————————————————— WHO IS VOI FOR? —————————————————————————————— • Business professionals working with international partners • Companies with multilingual teams (especially Japan-Vietnam, Korea-Vietnam corridors) • Healthcare providers communicating with foreign patients • Educators and students in international programs • Travelers who need reliable real-time translation —————————————————————————————— PLANS —————————————————————————————— Free: 40 minutes of recording per day · 7 days session history · 3 AI summaries per day Early Access: Unlimited recording · Unlimited history · Unlimited AI summaries · Meeting Minutes export Join the Early Access program directly from the app. —————————————————————————————— ABOUT —————————————————————————————— Voi is developed by GMO-Z.com RUNSYSTEM Joint Stock Company. Contact: voi_contact@runsystem.net Website: www.runsystem.net

Screenshots

Lịch VN4 screens
Voi Interpreter4 screens

Verdict

The call

The clearest difference is ads: Voi Interpreter at none against Lịch VN's shown. Voi Interpreter also leads on iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Lịch VN versus Voi Interpreter: the parameters behind the verdict, then further details
ParameterLịch VNVoi Interpreter
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 days—
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.012.0 — better
Further details — not scored
Size48 MB32 MB
Age rating4+4+
DeveloperHuu Loc CaoGMO-Z.com RUNSYSTEM JSC

In-app purchases

None

Lịch VN

No in-app purchases

None

Voi Interpreter

No in-app purchases

Questions

Is Lịch VN free?
Lịch VN is free to download, with no in-app purchases.
Is Voi Interpreter free?
Voi Interpreter is free to download, with no in-app purchases.
Do Lịch VN or Voi Interpreter have ads?
Lịch VN shows ads; Voi Interpreter does not.

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