# YDIS Smart vs Abyss Battery

The clearest difference is rating: Abyss Battery at 5.0 against YDIS Smart's 3.7. YDIS Smart's advantage is update cadence (every 3 months vs every 8 months) and ratings volume (16 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Abyss Battery holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: YDIS Smart has 16 ratings behind it against 3, so its average is the more settled of the two.

YDIS Smart ships an update every 3 months, Abyss Battery every 8 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | YDIS Smart | Abyss Battery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (16 ratings)](https://appshunter.io/ios/app/ydis-smart/id1062728896/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/abyss-battery/id1579033829/reviews)** |
| Number of ratings | **16** | 3 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 7 MB | 8 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yamaha Motor Co., Ltd.](https://appshunter.io/developer/337268490) | [Abyss Battery, Inc.](https://appshunter.io/developer/1594681469) |

## 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


### Abyss Battery

[App page](https://appshunter.io/ios/app/abyss-battery/id1579033829)

Monitor your battery's live status, including voltage and amp consumption, via a wireless app interface. Diagnose battery health with Bluetooth reports and track charging habits and usage history, such as completed life cycles.

**Highlights:** Live battery status monitoring, Bluetooth diagnostic reports, Charging control and monitoring, Battery history and life cycle tracking, Wireless app interface

**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 Abyss Battery free?

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

### Which has better reviews, YDIS Smart or Abyss Battery?

Abyss Battery is rated higher. YDIS Smart averages 3.7 out of 5 from 16 ratings, while Abyss Battery averages 5.0 from 3 ratings.

### Do YDIS Smart or Abyss Battery have ads?

Neither YDIS Smart nor Abyss Battery shows ads.

### Which is updated more often, YDIS Smart or Abyss Battery?

YDIS Smart ships an update every 3 months, and Abyss Battery every 8 months. Most recently, YDIS Smart was updated on November 2, 2026 and Abyss Battery on November 3, 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.*