# DoubtBuddy vs Rock Identifier & Gem Scanner

The clearest difference is in-app purchases: DoubtBuddy at none against Rock Identifier & Gem Scanner's 2. DoubtBuddy also leads on iOS requirement (14.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Rock Identifier & Gem Scanner sells 2 in-app purchases, starting at $3.99 per 7 days. DoubtBuddy asks for nothing beyond the download.

## The numbers

| Metric | DoubtBuddy | Rock Identifier & Gem Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 94 MB | 27 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Anuj Gupta](https://appshunter.io/developer/1651060633) | [Mertcan Dundar Esmergul](https://appshunter.io/developer/1878026654) |

## What reviewers say

### DoubtBuddy

[App page](https://appshunter.io/ios/app/doubtbuddy/id1670288087)

**In-app purchases:** none


### Rock Identifier & Gem Scanner

[App page](https://appshunter.io/ios/app/rock-identifier-and-gem-scanner/id6760624125)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is DoubtBuddy free?

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

### Is Rock Identifier & Gem Scanner free?

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

### Do DoubtBuddy or Rock Identifier & Gem Scanner have ads?

Neither DoubtBuddy nor Rock Identifier & Gem Scanner shows ads.

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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.*