# Crew Rest Pro vs Solar Panel Angle Calculator

The clearest difference is update cadence: Crew Rest Pro at daily against Solar Panel Angle Calculator's every 6 weeks. Crew Rest Pro also leads on device support (3 vs 1) and price ($0.99 vs $1.99). On ads and in-app purchases there is nothing between them.

Crew Rest Pro costs $0.99 and Solar Panel Angle Calculator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Crew Rest Pro ships an update daily, Solar Panel Angle Calculator every 6 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Crew Rest Pro | Solar Panel Angle Calculator |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Size | 43 MB | 10 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [billig.ch GmbH](https://appshunter.io/developer/338143848) | [Netflowers Inc.](https://appshunter.io/developer/1672067319) |

## What reviewers say

### Crew Rest Pro

[App page](https://appshunter.io/ios/app/crew-rest-pro/id6760842723)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Panel Angle Calculator

[App page](https://appshunter.io/ios/app/solar-panel-angle-calculator/id6794157717)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crew Rest Pro free?

Crew Rest Pro costs $0.99, with no in-app purchases.

### Is Solar Panel Angle Calculator free?

Solar Panel Angle Calculator costs $1.99, with no in-app purchases.

### Do Crew Rest Pro or Solar Panel Angle Calculator have ads?

Neither Crew Rest Pro nor Solar Panel Angle Calculator shows ads.

### Which is updated more often, Crew Rest Pro or Solar Panel Angle Calculator?

Crew Rest Pro ships an update daily, and Solar Panel Angle Calculator every 6 weeks. Most recently, Crew Rest Pro was updated on October 16, 2026 and Solar Panel Angle Calculator on October 17, 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.*