# YDIS Smart vs PowerHouseLithium

The clearest difference is rating: YDIS Smart at 3.7 against PowerHouseLithium's 3.4. PowerHouseLithium's advantage is update cadence (monthly vs every 3 months) and review sentiment (53% vs 43%). On price, ratings volume, 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 3.4. Both are backed by a comparable volume of ratings — 16 and 18 respectively. Written reviews complicate that: 43% of YDIS Smart's written reviews are positive against 53% of PowerHouseLithium's, so the app with the better star average is not the one people write more warmly about.

YDIS Smart ships an update every 3 months, PowerHouseLithium monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | YDIS Smart | PowerHouseLithium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (16 ratings)](https://appshunter.io/ios/app/ydis-smart/id1062728896/reviews)** | [3.4 (18 ratings)](https://appshunter.io/ios/app/powerhouselithium/id1602651638/reviews) |
| Number of ratings | 16 | **18** |
| Positive reviews | 42.9% of reviews | **53.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 7 MB | 20 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yamaha Motor Co., Ltd.](https://appshunter.io/developer/337268490) | [战辉 石](https://appshunter.io/developer/1465083138) |

## 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


### PowerHouseLithium

[App page](https://appshunter.io/ios/app/powerhouselithium/id1602651638)

Monitor your lithium batteries with this app. Connect via Bluetooth to view real-time charge and discharge current, temperature, total voltage, and capacity. Get quick insights into your battery's performance.

**Highlights:** Bluetooth battery connection, Monitor charge/discharge current, View battery temperature, Check total voltage, Display battery capacity

**In-app purchases:** none


## Frequently asked questions

### Is YDIS Smart free?

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

### Is PowerHouseLithium free?

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

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

YDIS Smart is rated higher. YDIS Smart averages 3.7 out of 5 from 16 ratings, while PowerHouseLithium averages 3.4 from 18 ratings.

### Do YDIS Smart or PowerHouseLithium have ads?

Neither YDIS Smart nor PowerHouseLithium shows ads.

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

YDIS Smart ships an update every 3 months, and PowerHouseLithium monthly. Most recently, YDIS Smart was updated on October 24, 2026 and PowerHouseLithium on October 24, 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.*