# SolarCalculator vs Rock Identifier | Scan Stone

The clearest difference is rating: Rock Identifier | Scan Stone at 4.5 against SolarCalculator's 1.0. Rock Identifier | Scan Stone also leads on ratings volume (11 vs 1). SolarCalculator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price there is nothing between them.

Both are free to download. Rock Identifier | Scan Stone sells 2 in-app purchases, starting at $6.99 per 7 days. SolarCalculator asks for nothing beyond the download.

Rock Identifier | Scan Stone holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Rock Identifier | Scan Stone has 11 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | SolarCalculator | Rock Identifier | Scan Stone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/solarcalculator/id1152869824/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/rock-identifier-scan-stone/id6760641960/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 212 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Trina Solar Co., Ltd.](https://appshunter.io/developer/1124386872) | [MEGA PROJEKT GROUP DOO Nis](https://appshunter.io/developer/1885467538) |

## What reviewers say

### SolarCalculator

[App page](https://appshunter.io/ios/app/solarcalculator/id1152869824)

This app simulates the power generation of solar components. It helps users calculate potential energy output from solar installations.

**Highlights:** Simulates solar component power generation, Calculates energy output, Supports solar installations

**Features:** macOS Compatibility

**In-app purchases:** none


### Rock Identifier | Scan Stone

[App page](https://appshunter.io/ios/app/rock-identifier-scan-stone/id6760641960)

Instantly identify rocks, crystals, and gemstones using your phone's camera. Get detailed scientific information, build a digital collection, and learn about the mineral world. Perfect for collectors, geologists, and nature enthusiasts.

**Highlights:** Instant AI-powered rock identification, Detailed scientific information on specimens, Build and manage a digital rock collection, Geology guide with origin and composition, Save identified finds with notes and locations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week with 3 days trial | $6.99 | per 7 days |
| 1 week with 3 days trial | $8.99 | per 7 days |


## Frequently asked questions

### Is SolarCalculator free?

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

### Is Rock Identifier | Scan Stone free?

Rock Identifier | Scan Stone is free to download, with in-app purchases available.

### Which has better reviews, SolarCalculator or Rock Identifier | Scan Stone?

Rock Identifier | Scan Stone is rated higher. SolarCalculator averages 1.0 out of 5 from 1 ratings, while Rock Identifier | Scan Stone averages 4.5 from 11 ratings.

### Do SolarCalculator or Rock Identifier | Scan Stone have ads?

Rock Identifier | Scan Stone shows ads; SolarCalculator does not.

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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.*