YDIS Smart vs SpeedLink Competition
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YDIS Smart
This application allows authorized Yamaha dealers to access diagnostic functions for Yamaha outboard motors on their smartphones. It requires a dedicated adapter and registration information for the PC version of the diagnostic system.
- Perform inspections of Yamaha outboard motors
- Access self-diagnostic system functions
- Use on smartphones
- Requires dedicated adapter
- Requires YDIS PC version registration
- Enable speedometer display with GPS
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YDIS Smart is an application software specifically designed to help users perform inspections of Yamaha outboard motors. YDIS Smart is designed to enable users to use some of the functions of the self-diagnostic system for Yamaha Marine products, Yamaha Diagnostic System (YDIS PC version), on smartphones. YDIS Smart App (“App”) is permitted for use by Yamaha authorized dealers only, and may only be used by the Yamaha authorized dealer for the purpose of providing services to a customer’s Yamaha outboard motor. If the party accessing or downloading this App is not a Yamaha authorized dealer, then such party is not authorized to use this App and should immediately discontinue usage and delete the App. >How to Use YDIS Smart For details on the operation of YDIS Smart, see the instruction manuals issued by Yamaha Motor Co., Ltd. >Terms and Conditions for Use Please read and understand these precautions before using this application. YDIS Smart is intended for use exclusively by service staff who perform services and maintenance of Yamaha outboard motors. ・To use YDIS Smart, a dedicated adapter and the registration information for the main software (YDIS PC version) will be required. ・To enable the speedometer display, you need to turn on the GPS function on your smartphone. ・Internet connection via mobile data communication or wireless LAN is required during the user registration process and while using the application. ・To use YDIS Smart, you need to turn on the Bluetooth® function on your smartphone. ・Bluetooth® is a registered trademark of Bluetooth SIG, Inc. ・Do not manipulate this application while the boat is in motion. Otherwise, a collision could result. Yamaha shall not be liable for any direct or indirect damages, harm, or losses resulting from any accidents occurred during use of this application. ・When you use this application, Yamaha Motor Co., Ltd. will automatically collect the following information: Following information entered for user registration -YDIS Smart adapter serial number, Country ID, Shop ID, Installation Key Some of the following engine information collected by the application -Saved data, Country ID, Shop ID, location information (only when GPS is ON) * Logging data will not be collected automatically. We will use collected information to statistically analyze the usage of this application and to improve our services. Communication charges incurred to use this application shall be borne by the user. For other precautions and disclaimers, see the related instruction manuals.
SpeedLink Competition
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SpeedLink provides owners of Mercury Racing’s next generation of competition engines (APX, 3.4L V6, & 4.6L V8) the ability to view live engine data and obtain detailed descriptions when a fault occurs. The full functionality of the app is only available when used in conjunction with the Bluetooth Low Energy SpeedLink module. When the app is open and connected to your module it requires a continuous connection and therefore may impact the battery life of your device. Features: • View live engine data : RPM, Battery Voltage, Engine Temperature, Engine Hours, Oil Temperature, Oil Pressure, Coolant Temperature, and more! • Receive active fault alerts and corresponding descriptive fault information • ECU validation tool for race officials to verify correct calibration is in the ECU (APX, 3.4L V6, & 4.6L V8) • Communicate wirelessly to your Mercury Racing competition engine through a Bluetooth Low Energy connection • Allows for normal phone operation – call, text, streaming music, search the web, etc. while connected to your Mercury Racing engine ************ IMPORTANT INFORMATION ************************* • Mercury Racing’s SpeedLink app is free to install. The SpeedLink module can be purchased through Mercury Racing. • The SpeedLink module only works with Mercury Racing marine engines. • The SpeedLink module simply connects to the engine controller diagnostic port located in the vessel.
Screenshots
Verdict
The clearest difference is update cadence: YDIS Smart at every 3 months against SpeedLink Competition's every 12 months. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
YDIS Smart ships an update every 3 months, SpeedLink Competition every 12 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.
| Parameter | YDIS Smart | SpeedLink Competition |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (16 ratings) — better | — |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 3 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 153 MB |
| Age rating | 17+ | 4+ |
| Developer | Yamaha Motor Co., Ltd. | Mercury Marine LLC |
In-app purchases
YDIS Smart
No in-app purchases
SpeedLink Competition
No in-app purchases
Questions
Is YDIS Smart free?
Is SpeedLink Competition free?
Do YDIS Smart or SpeedLink Competition have ads?
Which is updated more often, YDIS Smart or SpeedLink Competition?
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