# iMars PhoneExpert vs SolarVOLT

The clearest difference is update cadence: iMars PhoneExpert at weekly against SolarVOLT's monthly. iMars PhoneExpert also leads on iOS requirement (8.1 vs 13.4). 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.

iMars PhoneExpert ships an update weekly, SolarVOLT monthly. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iMars PhoneExpert | SolarVOLT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (30 ratings)](https://appshunter.io/ios/app/solarvolt/id6747215783/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 15 MB | 42 MB |
| Requires iOS | **8.1** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) | [AsianPowerDevicesInc](https://appshunter.io/developer/1214788661) |

## What reviewers say

### iMars PhoneExpert

[App page](https://appshunter.io/ios/app/imars-phoneexpert/id986221059)

This utility app utilizes mobile internet technology for monitoring purposes on iOS devices. It provides essential monitoring functionalities for users.

**Highlights:** Mobile Internet Technology Based, Monitoring Software, iOS Device Support

**Features:** macOS Compatibility

**In-app purchases:** none


### SolarVOLT

[App page](https://appshunter.io/ios/app/solarvolt/id6747215783)

Monitor your inverter's performance and log its data. This application also allows for inverter configuration, providing a comprehensive tool for managing your solar power system.

**Highlights:** Monitor inverter data, Log inverter data, Inverter configuration, Solar power system management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iMars PhoneExpert free?

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

### Is SolarVOLT free?

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

### Do iMars PhoneExpert or SolarVOLT have ads?

Neither iMars PhoneExpert nor SolarVOLT shows ads.

### Which is updated more often, iMars PhoneExpert or SolarVOLT?

iMars PhoneExpert ships an update weekly, and SolarVOLT monthly. Most recently, iMars PhoneExpert was updated on October 10, 2026 and SolarVOLT on October 16, 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.*