# SensorCheck™ vs YDIS Smart

SensorCheck™ and YDIS Smart both sit at 3.8 stars, but that hides the real split: 43% of YDIS Smart's written reviews are positive against 0% of SensorCheck™'s. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.8 for SensorCheck™ against 3.7 for YDIS Smart. Both are backed by a comparable volume of ratings — 6 and 16 respectively. Written reviews are what separate them: 0% of SensorCheck™'s written reviews are positive against 43% of YDIS Smart's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SensorCheck™ | YDIS Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/sensorcheck/id1062316790/reviews)** | [3.7 (16 ratings)](https://appshunter.io/ios/app/ydis-smart/id1062728896/reviews) |
| Number of ratings | 6 | **16** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 55 MB | 7 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) | [Yamaha Motor Co., Ltd.](https://appshunter.io/developer/337268490) |

## What reviewers say

### SensorCheck™

[App page](https://appshunter.io/ios/app/sensorcheck/id1062316790)

This app allows users to test marine transducers against factory specifications using a connected diagnostic tester. It provides detailed reports on transducer performance and automatically generates warranty information for eligible models.

**Highlights:** Compares transducer performance to factory specs, Tests traditional and CHIRP-ready transducers, Reads XducerID® features automatically, Generates automatic test reports, Enables warranty information submission, Supports Bluetooth LE connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### YDIS Smart

[App page](https://appshunter.io/ios/app/ydis-smart/id1062728896)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SensorCheck™ free?

SensorCheck™ is free to download, with no in-app purchases.

### Is YDIS Smart free?

YDIS Smart is free to download, with no in-app purchases.

### Which has better reviews, SensorCheck™ or YDIS Smart?

SensorCheck™ is rated higher. SensorCheck™ averages 3.8 out of 5 from 6 ratings, while YDIS Smart averages 3.7 from 16 ratings.

### Do SensorCheck™ or YDIS Smart have ads?

Neither SensorCheck™ nor YDIS Smart shows ads.

### Which is updated more often, SensorCheck™ or YDIS Smart?

SensorCheck™ ships an update every 3 months, and YDIS Smart every 3 months. Most recently, SensorCheck™ was updated on October 13, 2026 and YDIS Smart on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*