# Solis TechView vs SolarGrade

The clearest difference is review sentiment: SolarGrade at 100% against Solis TechView's 0%. Solis TechView's advantage is iOS requirement (9.0 vs 16). On price, update cadence, 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.

Solis TechView ships an update every 3 weeks, SolarGrade fortnightly. The most recent releases landed on September 23, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Solis TechView | SolarGrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (16 ratings)](https://appshunter.io/ios/app/solargrade/id1563166615/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 29 MB | 109 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Ginlong Technologies Co., Ltd.](https://appshunter.io/developer/1319745682) | [HelioVolta](https://appshunter.io/developer/1720183204) |

## What reviewers say

### Solis TechView

[App page](https://appshunter.io/ios/app/solis-techview/id1469183399)

This application allows installers to remotely monitor and manage Solis string-level PV inverters. It provides real-time data, parameter settings, device control, and firmware upgrades. The app facilitates quick setup and efficient troubleshooting for solar energy systems.

**Highlights:** Real-time device data monitoring, Inverter parameter and function settings, Real-time alarm and fault feedback, Quick first-time setup, Fast firmware download and upgrade, WIFI switching

**Features:** macOS Compatibility

**In-app purchases:** none


### SolarGrade

[App page](https://appshunter.io/ios/app/solargrade/id1563166615)

Streamline solar installation and field service with specialized checklists and automated reporting. This tool replaces manual paperwork with georeferenced issue tagging, photo documentation, and customizable reports. It helps teams work faster, standardize on-site tasks, and improve asset care.

**Highlights:** Solar-specific QA/QC, O&M, and inspection templates, Georeferenced issue tagging, Photo capture and editing, Automated and customizable reports, Automatic punch lists and task management, Offline mode and syncing, Data exports

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

**In-app purchases:** none


## Frequently asked questions

### Is Solis TechView free?

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

### Is SolarGrade free?

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

### Do Solis TechView or SolarGrade have ads?

Neither Solis TechView nor SolarGrade shows ads.

### Which is updated more often, Solis TechView or SolarGrade?

Solis TechView ships an update every 3 weeks, and SolarGrade fortnightly. Most recently, Solis TechView was updated on September 23, 2026 and SolarGrade on October 4, 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.*