Comparison

YDIS Smart vs SpeedLink Competition

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

SpeedLink Competition

Features
Read full description

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

YDIS Smart1 screens
SpeedLink Competition4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
YDIS Smart versus SpeedLink Competition: the parameters behind the verdict, then further details
ParameterYDIS SmartSpeedLink Competition
PriceFreeFree
Rating3.7 (16 ratings) — better—
Positive reviews42.9% of reviews—
Number of ratings16 — better—
Update frequencyEvery 3 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size7 MB153 MB
Age rating17+4+
DeveloperYamaha Motor Co., Ltd.Mercury Marine LLC

In-app purchases

None

YDIS Smart

No in-app purchases

None

SpeedLink Competition

No in-app purchases

Questions

Is YDIS Smart free?
YDIS Smart is free to download, with no in-app purchases.
Is SpeedLink Competition free?
SpeedLink Competition is free to download, with no in-app purchases.
Do YDIS Smart or SpeedLink Competition have ads?
Neither YDIS Smart nor SpeedLink Competition shows ads.
Which is updated more often, YDIS Smart or SpeedLink Competition?
YDIS Smart ships an update every 3 months, and SpeedLink Competition every 12 months. Most recently, YDIS Smart was updated on October 24, 2026 and SpeedLink Competition on October 17, 2026.

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