# SolarMark vs Modbus Explorer

The clearest difference is in-app purchases: SolarMark at none against Modbus Explorer's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Modbus Explorer sells 1 one-off in-app purchase. SolarMark asks for nothing beyond the download.

SolarMark ships an update monthly, Modbus Explorer every 2 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SolarMark | Modbus Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solarmark/id6776068343/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 55 MB | 5 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SolarMark Software LLC](https://appshunter.io/developer/6776062789) | [HASAN BARAN](https://appshunter.io/developer/6773067753) |

## What reviewers say

### SolarMark

[App page](https://appshunter.io/ios/app/solarmark/id6776068343)

Monitor your solar power generation and battery storage systems locally and privately. Visualize real-time energy flow, get intelligent predictions, and receive protection alerts without relying on cloud services.

**Highlights:** Direct Modbus TCP polling, Live power flow dashboard, Multi-device infrastructure management, Localized weather-based generation predictions, On-device analytics ledger, Open data export (CSV), Protection alerts (no-generation, performance, thermal)

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

**In-app purchases:** none


### Modbus Explorer

[App page](https://appshunter.io/ios/app/modbus-explorer/id6778095956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modbus Explorer Pro | $14.99 | one-time |


## Frequently asked questions

### Is SolarMark free?

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

### Is Modbus Explorer free?

Modbus Explorer is free to download, with in-app purchases available.

### Do SolarMark or Modbus Explorer have ads?

Neither SolarMark nor Modbus Explorer shows ads.

### Which is updated more often, SolarMark or Modbus Explorer?

SolarMark ships an update monthly, and Modbus Explorer every 2 weeks. Most recently, SolarMark was updated on October 6, 2026 and Modbus Explorer on October 5, 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.*