# CloudWatcher vs Physics Calc

The clearest difference is device support: Physics Calc at 3 against CloudWatcher's 1. Physics Calc also leads on iOS requirement (12.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

CloudWatcher costs $0.99 and Physics Calc $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CloudWatcher ships an update every 3 weeks, Physics Calc every 5 weeks. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CloudWatcher | Physics Calc |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cloudwatcher/id404409062/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 12 MB | 67 MB |
| Requires iOS | 17.6 | **12.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [icot](https://appshunter.io/developer/315124358) | [Isaac Cabello](https://appshunter.io/developer/1578202572) |

## What reviewers say

### CloudWatcher

[App page](https://appshunter.io/ios/app/cloudwatcher/id404409062)

Identify cloud types using AI or manual input. Save photos with location data, share them, and deepen your knowledge with an encyclopedia and quizzes. An AI chatbot can answer your cloud-related questions.

**Highlights:** AI cloud identification, Manual cloud type selection, Save cloud photos with location, Share photos via social media, Cloud encyclopedia, Cloud quizzes, AI chatbot for cloud questions

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

**In-app purchases:** none


### Physics Calc

[App page](https://appshunter.io/ios/app/physics-calc/id1578202570)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CloudWatcher free?

CloudWatcher costs $0.99, with no in-app purchases.

### Is Physics Calc free?

Physics Calc costs $0.99, with no in-app purchases.

### Do CloudWatcher or Physics Calc have ads?

Neither CloudWatcher nor Physics Calc shows ads.

### Which is updated more often, CloudWatcher or Physics Calc?

CloudWatcher ships an update every 3 weeks, and Physics Calc every 5 weeks. Most recently, CloudWatcher was updated on September 29, 2026 and Physics Calc on October 5, 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.*