# Ultimate9 BM vs KA Solar

The clearest difference is review sentiment: KA Solar at 67% against Ultimate9 BM's 57%. 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.

## The numbers

| Metric | Ultimate9 BM | KA Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ultimate9-bm/id1525506062/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 57.1% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | Free |
| Size | 26 MB | 9 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [俊华 邹](https://appshunter.io/developer/1276442287) | [Kickass Products Pvt Ltd](https://appshunter.io/developer/1387751158) |

## What reviewers say

### Ultimate9 BM

[App page](https://appshunter.io/ios/app/ultimate9-bm/id1525506062)

Monitor your car battery's real-time voltage and test its cranking and charging systems. View all battery data directly on your mobile device via Bluetooth connection.

**Highlights:** Real-time battery voltage monitoring, Cranking system testing, Charging system testing, Bluetooth data transfer, View data on mobile device

**Features:** macOS Compatibility

**In-app purchases:** none


### KA Solar

[App page](https://appshunter.io/ios/app/ka-solar/id6505091579)

Remotely connect to, configure, and monitor your solar controller. View real-time and historical data to analyze your off-grid setup's performance. Adjust battery parameters and system voltages with an intuitive interface.

**Highlights:** Remote connection and configuration, Real-time data monitoring, Historical data analysis, Battery parameter adjustment, System voltage configuration, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate9 BM free?

Ultimate9 BM is free to download, with no in-app purchases.

### Is KA Solar free?

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

### Do Ultimate9 BM or KA Solar have ads?

Neither Ultimate9 BM nor KA Solar shows ads.

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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.*