# WhatWhere? vs Rock ID

The clearest difference is rating: Rock ID at 4.2 against WhatWhere?'s 2.0. Rock ID also leads on update cadence (monthly vs every 100 months) and ratings volume (25 vs 1). WhatWhere?'s advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rock ID sells 3 in-app purchases, starting at $4.99 per 7 days. WhatWhere? asks for nothing beyond the download.

Rock ID holds the better App Store score, 4.2 against 2.0. That said, the two scores are not equally well evidenced: Rock ID has 25 ratings behind it against 1, so its average is the more settled of the two.

WhatWhere? ships an update every 100 months, Rock ID monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WhatWhere? | Rock ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/whatwhere/id1282350032/reviews) | **[4.2 (25 ratings)](https://appshunter.io/ios/app/rock-id-stone-identifier/id6744275565/reviews)** |
| Number of ratings | 1 | **25** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 100 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 185 MB | 27 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert L Zimmelman](https://appshunter.io/developer/954130860) | [NATURA AI COMPANY LIMITED](https://appshunter.io/developer/1724353706) |

## What reviewers say

### WhatWhere?

[App page](https://appshunter.io/ios/app/whatwhere/id1282350032)

Identify unknown items, locations, and concepts within an image using on-device AI. This app analyzes pictures privately using your device's built-in AI hardware, working even in airplane mode without sending data to external servers.

**Highlights:** On-device AI analysis, Works offline, Identifies items in images, Analyzes locations, Recognizes key concepts, Uses device's AI hardware

**In-app purchases:** none


### Rock ID

[App page](https://appshunter.io/ios/app/rock-id-stone-identifier/id6744275565)

Identify minerals and gemstones from a photo with this app. It offers a vast database, collection building, and insights into stone properties and zodiac compatibility. Premium features and an ad-free experience are available via subscription.

**Highlights:** Photo recognition for instant identification, Extensive database of minerals and gemstones, Create personalized collections with notes, Stone matching by zodiac sign, Articles on identifying real vs. fake stones, AI-powered identification

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $14.99 | per year |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is WhatWhere? free?

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

### Is Rock ID free?

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

### Which has better reviews, WhatWhere? or Rock ID?

Rock ID is rated higher. WhatWhere? averages 2.0 out of 5 from 1 ratings, while Rock ID averages 4.2 from 25 ratings.

### Do WhatWhere? or Rock ID have ads?

Neither WhatWhere? nor Rock ID shows ads.

### Which is updated more often, WhatWhere? or Rock ID?

WhatWhere? ships an update every 100 months, and Rock ID monthly. Most recently, WhatWhere? was updated on November 3, 2026 and Rock ID on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*