Comparison

YDIS Smart vs BilgeBuddy

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

BilgeBuddy

This app allows you to remotely monitor your boat's bilge system, battery health, and location. Receive instant notifications for potential issues like flooding, system malfunctions, or unexpected movement, ensuring peace of mind and proactive problem-solving.

Highlights
  • Remote bilge system monitoring
  • Flooding detection and sinking prevention
  • Battery system health monitoring
  • Break-away alerts and location services
  • Impact detection
  • Easy installation with common pumps
Read full description

Remotely Monitor Your Boat - Connect your boat with the BilgeBuddy device, making it a smart boat that can be monitored remotely on the app. - Have peace-of-mind in the palm of your hand, where ever you are. - Notifications let you fix problems before they arise. Easy Installation - BilgeBuddy pairs with all common 12V bilge pumps & floats. - Our patent pending technology allows for an easy installation with a few simple connections. - Our instructions get most DIYers & all professionals up and running in minutes. All you need are wire strippers and a lighter. We provide the rest. How BilgeBuddy keeps your boat safe: Flooding Detection & Sinking Prevention - Detect moderate & extreme water levels. - Automatically purge high water when auto-float fails. - Analyze frequency & reason for bilge cycles. Bilge System Health Monitoring - Ensure functioning bilge pump. - Proactive pump electronic health monitoring. - Detect Auto-float malfunction. - Alert of helm switch accidentally left on. Battery System Health Monitoring - Remotely check if enough voltage to start engines. - Battery discharge & charging trends. - Detect alternator & shore power system malfunction. Break-away Alerts & Location Services - Alert when your boat leaves its home base unexpectedly. - Remotely monitor when others use your boat. - Cloud backup of trips and usage. - Back-up navigation system. Impact Detection & Damage Prevention - Detect impacts with dock. - Detect major collisions. Freeze Damage Prevention & Storm Monitoring - Prevent damage during quick freezes. - Storm warnings & monitoring. (coming soon)

Screenshots

YDIS Smart1 screens
BilgeBuddy3 screens

Verdict

The call

The clearest difference is review sentiment: BilgeBuddy at 100% against YDIS Smart's 43%. BilgeBuddy also leads on rating (4.9 vs 3.7) and update cadence (every 6 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

BilgeBuddy holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 16 and 15 respectively. Written reviews point the same way: 43% of YDIS Smart's written reviews are positive against 100% of BilgeBuddy's.

UpkeepUpdate frequency

YDIS Smart ships an update every 3 months, BilgeBuddy every 6 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard3 real differences · 7 level
YDIS Smart versus BilgeBuddy: the parameters behind the verdict, then further details
ParameterYDIS SmartBilgeBuddy
PriceFreeFree
Rating3.7 (16 ratings)4.9 (15 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings16 — better15
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size7 MB36 MB
Age rating17+4+
DeveloperYamaha Motor Co., Ltd.BilgeBuddy

Customer experience

YDIS Smart

All ratings16 ratings
Positive62.5%
Neutral6.3%
Negative31.3%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

BilgeBuddy

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

YDIS Smart

No in-app purchases

None

BilgeBuddy

No in-app purchases

Questions

Is YDIS Smart free?
YDIS Smart is free to download, with no in-app purchases.
Is BilgeBuddy free?
BilgeBuddy is free to download, with no in-app purchases.
Which has better reviews, YDIS Smart or BilgeBuddy?
BilgeBuddy is rated higher. YDIS Smart averages 3.7 out of 5 from 16 ratings, while BilgeBuddy averages 4.9 from 15 ratings.
Do YDIS Smart or BilgeBuddy have ads?
Neither YDIS Smart nor BilgeBuddy shows ads.
Which is updated more often, YDIS Smart or BilgeBuddy?
YDIS Smart ships an update every 3 months, and BilgeBuddy every 6 weeks. Most recently, YDIS Smart was updated on October 24, 2026 and BilgeBuddy on October 23, 2026.

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