# PC Gameplan vs Clear Sky Calculator

The clearest difference is in-app purchases: Clear Sky Calculator at none against PC Gameplan's 3. PC Gameplan's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PC Gameplan sells 3 one-off in-app purchases. Clear Sky Calculator asks for nothing beyond the download.

PC Gameplan ships an update every 5 weeks, Clear Sky Calculator every 3 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PC Gameplan | Clear Sky Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/clear-sky-calculator/id974693728/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 44 MB | 6 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Persona GLOBAL, Inc](https://appshunter.io/developer/491550651) | [Apogee Instruments](https://appshunter.io/developer/955609109) |

## What reviewers say

### PC Gameplan

[App page](https://appshunter.io/ios/app/pc-gameplan/id491550488)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Renew package | $14.99 | one-time |
| App Renew paketet | $14.99 | one-time |
| App renewal package | $14.99 | one-time |


### Clear Sky Calculator

[App page](https://appshunter.io/ios/app/clear-sky-calculator/id974693728)

This tool estimates solar radiation intensity on a horizontal surface for any location and time. It helps determine the need for recalibration of radiation sensors by comparing their measurements to calculated clear sky values. Accuracy is high when used near solar noon in summer.

**Highlights:** Estimates solar radiation intensity, Determines sensor recalibration needs, Global location and time support, Uses ASCE Standardized Reference Evapotranspiration Equation, Requires minimal input data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PC Gameplan free?

PC Gameplan is free to download, with in-app purchases available.

### Is Clear Sky Calculator free?

Clear Sky Calculator is free to download, with no in-app purchases.

### Do PC Gameplan or Clear Sky Calculator have ads?

Neither PC Gameplan nor Clear Sky Calculator shows ads.

### Which is updated more often, PC Gameplan or Clear Sky Calculator?

PC Gameplan ships an update every 5 weeks, and Clear Sky Calculator every 3 months. Most recently, PC Gameplan was updated on October 4, 2026 and Clear Sky Calculator on October 2, 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.*