# SolarGrade vs JBY

SolarGrade and JBY 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SolarGrade | JBY |
| --- | --- | --- |
| 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 | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 109 MB | 32 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HelioVolta](https://appshunter.io/developer/1720183204) | [Connor Gray](https://appshunter.io/developer/1895044412) |

## What reviewers say

### SolarGrade

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

Streamline solar installation and field service with specialized checklists, automated reporting, and issue tracking. This app replaces manual paperwork with georeferenced tagging, photo editing, and project documentation tools.

**Highlights:** Solar-specific checklists, Georeferenced issue tagging, Photo capture and editing, Automated report generation, Offline mode and syncing, Task management and scheduling

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

**In-app purchases:** none


### JBY

[App page](https://appshunter.io/ios/app/jby-marine-tech/id6762853683)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarGrade free?

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

### Is JBY free?

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

### Do SolarGrade or JBY have ads?

Neither SolarGrade nor JBY shows ads.

### Which is updated more often, SolarGrade or JBY?

SolarGrade ships an update fortnightly, and JBY fortnightly. Most recently, SolarGrade was updated on November 3, 2026 and JBY on October 7, 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.*