# YDIS Smart vs CanFish

The clearest difference is review sentiment: YDIS Smart at 43% against CanFish's 0%. YDIS Smart also leads on rating (3.7 vs 3.0) and ratings volume (16 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

YDIS Smart holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: YDIS Smart has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 43% of YDIS Smart's written reviews are positive against 0% of CanFish's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 16, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | YDIS Smart | CanFish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (16 ratings)](https://appshunter.io/ios/app/ydis-smart/id1062728896/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/canfish/id6475751478/reviews) |
| Number of ratings | **16** | 2 |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 7 MB | 72 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yamaha Motor Co., Ltd.](https://appshunter.io/developer/337268490) | [Chasing-Innovation Technology Co., LTD.](https://appshunter.io/developer/1249652722) |

## What reviewers say

### 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


### CanFish

[App page](https://appshunter.io/ios/app/canfish/id6475751478)

Instantly connect to your underwater fishing camera to view live feeds, adjust settings, and capture memorable moments. Download and manage your underwater adventure photos and videos directly from the app.

**Highlights:** Live camera feed, Camera parameter adjustment, Photo and video gallery, Download media, Firmware support, Product advice

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YDIS Smart free?

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

### Is CanFish free?

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

### Which has better reviews, YDIS Smart or CanFish?

YDIS Smart is rated higher. YDIS Smart averages 3.7 out of 5 from 16 ratings, while CanFish averages 3.0 from 2 ratings.

### Do YDIS Smart or CanFish have ads?

Neither YDIS Smart nor CanFish shows ads.

### Which is updated more often, YDIS Smart or CanFish?

YDIS Smart ships an update every 3 months, and CanFish every 3 months. Most recently, YDIS Smart was updated on September 16, 2026 and CanFish on July 8, 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.*