# Shell Identifier vs Oyster ◦ Sea Shell Identifier

The clearest difference is iOS requirement: Shell Identifier at 15.1 against Oyster ◦ Sea Shell Identifier's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shell Identifier sells 2 in-app purchases, starting at $4.99 per 7 days and Oyster ◦ Sea Shell Identifier sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Shell Identifier | Oyster ◦ Sea Shell Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/shell-identifier-si/id6754155123/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Monetization | Freemium | — |
| Size | 41 MB | 21 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ankur Dhameliya](https://appshunter.io/developer/1560934425) | [Ikhwan Noorsetyo](https://appshunter.io/developer/1739847271) |

## What reviewers say

### Shell Identifier

[App page](https://appshunter.io/ios/app/shell-identifier-si/id6754155123)

Instantly identify seashells and marine treasures with AI. Explore a comprehensive database, learn fascinating facts, and build your personal collection of ocean discoveries. Perfect for beachcombers and marine enthusiasts.

**Highlights:** Instant AI shell identification, Comprehensive shell database, Detailed AI-powered insights, Personal shell collection, Scan history, Custom photo gallery

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Annual | $29.99 | per year |


### Oyster ◦ Sea Shell Identifier

[App page](https://appshunter.io/ios/app/oyster-sea-shell-identifier/id6758259029)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Yearly Subscription | $44.99 | per year |


## Frequently asked questions

### Is Shell Identifier free?

Shell Identifier is free to download, with in-app purchases available.

### Is Oyster ◦ Sea Shell Identifier free?

Oyster ◦ Sea Shell Identifier is free to download, with in-app purchases available.

### Do Shell Identifier or Oyster ◦ Sea Shell Identifier have ads?

Neither Shell Identifier nor Oyster ◦ Sea Shell Identifier shows ads.

---

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