# Rock & Crystal Identifier vs Memory Explorer

The clearest difference is in-app purchases: Memory Explorer at none against Rock & Crystal Identifier's 3. Memory Explorer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Rock & Crystal Identifier sells 3 in-app purchases, starting at $1.99 per 7 days. Memory Explorer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Rock & Crystal Identifier | Memory Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.7K ratings)](https://appshunter.io/ios/app/rock-and-crystal-identifier/id1553800023/reviews)** | — |
| Number of ratings | **2.7K** | — |
| Positive reviews | 44.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Freemium | — |
| Size | 182 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Council LLC](https://appshunter.io/developer/1553800025) | [TinkerTanks](https://appshunter.io/developer/1580354122) |

## What reviewers say

### Rock & Crystal Identifier

[App page](https://appshunter.io/ios/app/rock-and-crystal-identifier/id1553800023)

Instantly identify rocks, crystals, and minerals by uploading a photo. Explore their history, meaning, and energetic qualities. Organize your collection and connect with experts for insights.

**Highlights:** Photo-based rock identification, Crystal and mineral encyclopedia, Search by planet, color, emotion, chakra, Shop ethically sourced specimens, Organize and track rock collection, Live chat with experts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crystal Council Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $5.99 | per month |
| Crystal Council Premium Yearly | $29.99 | per year |

**What reviewers like**

- 💎 Excellent crystal knowledge database
- 🛒 Convenient in-app shopping
- 🔍 Accurate crystal identification
- 📚 Informative and educational
- 🤗 Great customer service

**What reviewers complain about**

- 🔒 Limited free scans
- 💰 Expensive subscription
- 🤔 Inconsistent identification results
- 🐛 Bugs and glitches
- 🤷‍♀️ Unclear free trial/subscription details

**Reported bugs**

- Camera issues preventing scans
- Incorrect crystal identifications
- Subscription billing problems

**Requested features**

- Unlimited free scans
- More accurate crystal identification
- Improved app performance and stability
- Clearer subscription information


### Memory Explorer

[App page](https://appshunter.io/ios/app/memory-explorer/id6798429528)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rock & Crystal Identifier free?

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

### Is Memory Explorer free?

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

### Do Rock & Crystal Identifier or Memory Explorer have ads?

Rock & Crystal Identifier shows ads; Memory Explorer does not.

### Which is updated more often, Rock & Crystal Identifier or Memory Explorer?

Rock & Crystal Identifier ships an update every 9 days, and Memory Explorer every 9 days. Most recently, Rock & Crystal Identifier was updated on October 20, 2026 and Memory Explorer on October 3, 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.*