Comparison

Yi Translate vs C3 Display Controller

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

Head to head
About

Yi Translate

Features
Read full description

Why choose Yi translate? Whether you're a businessperson expanding your international business, a traveler exploring the world, a student learning a foreign language, or a scholar engaging in international exchange, Yi translate can be your powerful assistant, making cross-language communication easier and bringing the world closer together through borderless communication! I. Software Positioning: Intelligent Cross-Language Communication Expert Yi translate , a professional intelligent translation software, is committed to breaking down global language barriers and providing users with comprehensive, multi-scenario cross-language communication solutions. Whether for business, cross-border social interaction, international travel, or academic exchange, its advanced AI translation technology enables accurate translation between 147 languages, making communication borderless and smoother. II. Core Functions 1. AI Meeting Assistant One-click recording, high-precision speech-to-text transcription; automatic chapter division, key point extraction, generation of structured summaries and mind maps, support for real-time multilingual translation, making office work more efficient and worry-free. 2. Audio and video calls It supports real-time translation of voice and video calls, allows users to invite friends or enter room numbers to join, and displays bilingual subtitles simultaneously, enabling barrier-free cross-border communication. 3. Speech Translation Real-time translation of multilingual speeches with the option to switch between original and translated text; supports screen projection from local device, TV, and PC client, allowing for flexible use in various scenarios. 4. Free dialogue Multilingual two-way real-time translation, with independent speech recognition and broadcasting; automatically identifies the language and provides accurate broadcasting, supports multi-turn continuous dialogue, and makes face-to-face communication more natural . 5. Multi-terminal collaboration It supports multi-device interconnection between mobile phones and computers, one-click pairing with device codes, and multi-language bidirectional real-time translation. Users can freely switch between three display modes: original text, translated text, and bilingual text. III. Key Features 1. AI Assistant Dual-mode interaction via voice and text; voice commands provide direct access to app functions and tutorials, while the system intelligently answers common questions—making it easy to get started and effortless to operate. 2. Simultaneous Interpretation Real-time, bidirectional simultaneous interpretation across multiple languages; accurately transcribes both the original speech and its translation in sync. Users can freely switch languages ​​and view real-time bilingual subtitles, making it suitable for a wide range of professional settings. 3. Cross-App Translation Once enabled, this feature allows for voice input translation and the direct output of translated text within any third-party application—including WeChat, email clients, and international social media platforms. 4. Group Chat Translation Create multi-language translation group chats where members can customize their preferred receiving languages, and group messages are automatically translated in real-time. Supports quick group entry via room ID or QR code scanning.

About

C3 Display Controller

Features
Read full description

C3 Display Controller helps you quickly set up and manage compatible C3 display devices from your phone. Key features: Scan and connect to nearby supported devices using Bluetooth Low Energy (BLE) Send Wi-Fi SSID and password to the device for network setup View real-time device status, including Wi-Fi connection state, SSID, IP address, battery level, and charging status Enable or disable slideshow mode Select and update slideshow images from available slots Set slideshow timing and send control commands directly to the device C3 Display Controller is designed for fast onboarding and day-to-day device control in a simple, focused interface.

Screenshots

Yi Translate4 screens
C3 Display Controller2 screens

Verdict

The call

The clearest difference is in-app purchases: C3 Display Controller at none against Yi Translate's 10. Yi Translate's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement 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. Yi Translate sells 10 one-off in-app purchases. C3 Display Controller asks for nothing beyond the download.

UpkeepUpdate frequency

Yi Translate ships an update every 2 weeks, C3 Display Controller every 2 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 4 level
Yi Translate versus C3 Display Controller: the parameters behind the verdict, then further details
ParameterYi TranslateC3 Display Controller
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size171 MB40 MB
Age rating4+4+
DeveloperYiyitong (Xiamen) Technology Co., Ltdnhnhn

In-app purchases

10 purchases

Yi Translate

One-time10
  • 300 conversations/3 months$0.99
  • Yi translate Starter Pack$1.99
  • Monthly Unlimited$2.99
Show 7 more
  • 1200 conversations/6 months$2.99
  • Quarterly Special$6.99
  • 3000 conversations/12 months$6.99
  • Yi translate Pro Pack$17.99
  • Annual Elite$19.99
  • 会议纪要优惠套餐$19.99
  • Yi translate Premium Pack$39.99
None

C3 Display Controller

No in-app purchases

Questions

Is Yi Translate free?
Yi Translate is free to download, with in-app purchases available.
Is C3 Display Controller free?
C3 Display Controller is free to download, with no in-app purchases.
Do Yi Translate or C3 Display Controller have ads?
Neither Yi Translate nor C3 Display Controller shows ads.
Which is updated more often, Yi Translate or C3 Display Controller?
Yi Translate ships an update every 2 weeks, and C3 Display Controller every 2 months. Most recently, Yi Translate was updated on September 20, 2026 and C3 Display Controller on September 10, 2026.

Other comparisons