# CloudWatcher vs Gem Identifier & Rock ID

The clearest difference is price: Gem Identifier & Rock ID at Free against CloudWatcher's $0.99. Gem Identifier & Rock ID also leads on ratings volume (21 vs 1). CloudWatcher's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 5). On device support and iOS requirement there is nothing between them.

Gem Identifier & Rock ID is free to download; CloudWatcher costs $0.99 up front. Gem Identifier & Rock ID sells 5 in-app purchases, starting at $6.99 per 7 days. CloudWatcher asks for nothing beyond the download.

CloudWatcher holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Gem Identifier & Rock ID has 21 ratings behind it against 1, so its average is the more settled of the two.

CloudWatcher ships an update every 2 weeks, Gem Identifier & Rock ID monthly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CloudWatcher | Gem Identifier & Rock ID |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cloudwatcher/id404409062/reviews)** | [4.4 (21 ratings)](https://appshunter.io/ios/app/gem-identifier-and-rock-id/id6748907151/reviews) |
| Number of ratings | 1 | **21** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 36 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [icot](https://appshunter.io/developer/315124358) | [Innotent LTD](https://appshunter.io/developer/1695717745) |

## 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


### Gem Identifier & Rock ID

[App page](https://appshunter.io/ios/app/gem-identifier-and-rock-id/id6748907151)

Identify rocks, gems, and crystals instantly by taking a photo. Access a comprehensive database with detailed information and authenticate precious stones. Includes a built-in metal detector for further analysis.

**Highlights:** Instant stone identification via photo, Comprehensive stone database, Gem authentication tool, Built-in metal detector, AI recognition technology

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly | $19.99 | per year |
| Yearly, 3 Days Free Trial | $29.99 | per year |
| Yearly | $29.99 | per year |
| Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is CloudWatcher free?

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

### Is Gem Identifier & Rock ID free?

Gem Identifier & Rock ID is free to download, with in-app purchases available.

### Which has better reviews, CloudWatcher or Gem Identifier & Rock ID?

CloudWatcher is rated higher. CloudWatcher averages 5.0 out of 5 from 1 ratings, while Gem Identifier & Rock ID averages 4.4 from 21 ratings.

### Do CloudWatcher or Gem Identifier & Rock ID have ads?

Gem Identifier & Rock ID shows ads; CloudWatcher does not.

### Which is updated more often, CloudWatcher or Gem Identifier & Rock ID?

CloudWatcher ships an update every 2 weeks, and Gem Identifier & Rock ID monthly. Most recently, CloudWatcher was updated on September 20, 2026 and Gem Identifier & Rock ID on September 18, 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.*