六级CET vs RaceData2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
六级CET
This app provides core vocabulary for the CET-6 English exam and postgraduate entrance exams. It offers offline access with pronunciation and detailed explanations for each word. Features include smart grouping, progress tracking, and targeted testing.
- Core vocabulary for CET-6 and postgraduate exams
- Offline access
- Word pronunciation and detailed explanations
- Smart grouping and intelligent learning
- Progress tracking and self-marking
- Targeted tests and error tracking
- Word search and collection
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收录六级英语大纲 最新考研核心词汇。免费离线使用,附有单词发音及详尽解释。 主要功能特点: * 分类清晰,智能分组 * 真人发音,单词资料解释详细 * 自主标记,掌控学习进度 * 分组测试,错题自动记录 * 生词随时收藏,方便查看 * 单词搜索,快速查词
RaceData2
This app transforms your iOS device into a sailing instrument display, showing real-time navigation and performance data from Expedition software. It offers customizable data pages, advanced graphs, and remote control capabilities for racing sailors.
- Real-time sailing data display
- Customizable data pages and layouts
- Advanced data graphs with trend analysis
- Remote control of Expedition software
- Apple Watch data display
- Night mode and screen-always-on option
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Transform your iPhone, iPad or Apple Watch device into a powerful sailing instrument display for Expedition Navigation Software and NMEA0183 data. RaceData2 (RD2) puts critical racing data at your fingertips, delivering real-time performance metrics from Expedition directly to your iOS phone or tablet via WiFi. Bonus is the bundled Apple Watch RaceData3 (RD3). Whether you're racing around the buoys or offshore, stay connected to navigation data with customisable, easy-to-read displays designed for racing. KEY FEATURES Real-Time Data Display - View any Expedition data channels including User and Alt channels with automatic name detection - Multiple data pages with swipe navigation - Customisable grid layouts and data colours - Live data status indicators show connection quality at a glance - Dark theme optimised for day and night sailing Advanced Data Graphs (Subscription) - Track performance trends with real-time graphs - Adjustable time windows: 1, 5, 10, or 30 minutes - Moving Average (MA) and Exponential Moving Average (EMA) trend lines - Visual shading between actual data and trends - Monitor multiple channels simultaneously Race Commands (Subscription only and not with NMEA0183, A+T, iDataNet) - Control Expedition from your device - Ping start line ends (Port/Starboard) - Ping new marks, and move the Active Mark to your bow/gps - Set up and create W/L race courses - Set race timer (1, 4, 5, 10 minutes or custom) - Sync timer to nearest minute - Kill race timer - Mark management - set W/L course, ping new or active mark, advance to next, or return to previous - Set Expedition Events - Emergency MOB (Man Overboard) broadcast - Command acknowledgement (requires Expedition 12.6+) Designed for Racing - Screen always-on option keeps data visible - Night mode - Use proximity sensor to turn screen off when iPhone is stowed - App pinning locks RD2 on screen - Data lock prevents accidental changes - Page lock maintains your preferred layout and allows fullscreen - Demo mode for testing setup without Expedition connection - Simple, clear RD2 watch app data pages Compatibility - Engineered to work with Expedition Navigation Software - Any system broadcasting Expedition format UDP data such as A+T Instruments - iDataNet for legacy systems - NMEA0183 UDP data - Works over standard WiFi networks Apple watch - Paired with your iPhone, receive and display all data. - With the RaceData3 Bridge PC application, your iPhone can request and receive Expedition data over WiFi. Leave your phone ashore. Visit https://www.fieldyachting.com/apps to download the Windows app. SUBSCRIPTION Free Features: - Display up to 4 channels (TWS, TWD, HDG, BSP) - Single 2x2 data page - Demo mode Subscription Features (Annual): - All Expedition channels - Multiple page layout options - Real-time data graphs with trend analysis - Command and MOB sending to Expedition PERFECT FOR: - Racing sailors who need navigation data away from the nav station - Crew members who need specific data for their position - Navigators wanting a wireless repeater display - Coaches monitoring performance from chase boats - Anyone using Expedition who wants mobile data access - Additional on deck or below data display - Add a waterproof case to your iOS device and have a new on-deck display REQUIREMENTS - iOS device on same WiFi network as Expedition computer - Expedition, iDataNet or NMEA0183 broadcasting UDP data on the network - Expedition configured to broadcast UDP data (RD2) and TCP data (RaceData2 Bridge Windows app) - iOS 16.6 or higher - watchOS 10.0 or higher SUPPORT Comprehensive user guide available at: https://www.fieldyachting.com/apps Developed by sailors, for sailors. RaceData2 is actively maintained by Field Yachting Ltd with regular updates based on user feedback from the racing community. View terms of use here: https://www.fieldyachting.com/app-store-terms-of-use
Screenshots
Verdict
The clearest difference is update cadence: RaceData2 at every 5 days against 六级CET's every 3 months. 六级CET's advantage is monetization model (free vs freemium) and iOS requirement (8.0 vs 17.0). On price, rating, ratings volume and ads 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. 六级CET sells 1 one-off in-app purchase and RaceData2 sells 1 in-app purchase, starting at $69.99 per year. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for 六级CET against 5.0 for RaceData2. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
六级CET ships an update every 3 months, RaceData2 every 5 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | 六级CET | RaceData2 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 104 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | 品 高 | Field Yachting Ltd |
Customer experience
六级CET
RaceData2
In-app purchases
六级CET
- 去广告插件$0.99
RaceData2
- RD2 Annual Subscription$69.991 Year









