# Sea Shell Identifier vs Shellr AI

The clearest difference is in-app purchases: Sea Shell Identifier at none against Shellr AI's 2. Sea Shell Identifier also leads on update cadence (every 3 weeks vs every 6 weeks). Shellr AI's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Shellr AI sells 2 in-app purchases, starting at $2.99 per 7 days. Sea Shell Identifier asks for nothing beyond the download.

Sea Shell Identifier ships an update every 3 weeks, Shellr AI every 6 weeks. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Sea Shell Identifier | Shellr AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 15 MB | 22 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Pacheco](https://appshunter.io/developer/1776997586) | [David Pavlovschii](https://appshunter.io/developer/1854112110) |

## What reviewers say

### Sea Shell Identifier

[App page](https://appshunter.io/ios/app/sea-shell-identifier-shellmap/id6769487594)

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

**In-app purchases:** none


### Shellr AI

[App page](https://appshunter.io/ios/app/shellr-ai-seashell-id/id6785322535)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Sea Shell Identifier free?

Sea Shell Identifier is free to download, with no in-app purchases.

### Is Shellr AI free?

Shellr AI is free to download, with in-app purchases available.

### Do Sea Shell Identifier or Shellr AI have ads?

Neither Sea Shell Identifier nor Shellr AI shows ads.

### Which is updated more often, Sea Shell Identifier or Shellr AI?

Sea Shell Identifier ships an update every 3 weeks, and Shellr AI every 6 weeks. Most recently, Sea Shell Identifier was updated on September 24, 2026 and Shellr AI on September 7, 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.*