# 60Hertz vs SolarGrade

60Hertz and SolarGrade are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

60Hertz ships an update every 2 weeks, SolarGrade fortnightly. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 60Hertz | SolarGrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (16 ratings)](https://appshunter.io/ios/app/solargrade/id1563166615/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | — | Free |
| Size | 61 MB | 109 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [60Hertz Inc](https://appshunter.io/developer/1529989329) | [HelioVolta](https://appshunter.io/developer/1720183204) |

## What reviewers say

### 60Hertz

[App page](https://appshunter.io/ios/app/60hertz/id1529989327)

**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 60Hertz free?

60Hertz is free to download, with no in-app purchases.

### Is SolarGrade free?

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

### Do 60Hertz or SolarGrade have ads?

Neither 60Hertz nor SolarGrade shows ads.

### Which is updated more often, 60Hertz or SolarGrade?

60Hertz ships an update every 2 weeks, and SolarGrade fortnightly. Most recently, 60Hertz was updated on October 22, 2026 and SolarGrade on October 21, 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.*