# AlienAlp vs Sea Shell Identifier

The clearest difference is in-app purchases: AlienAlp at none against Sea Shell Identifier's 3. AlienAlp also leads on iOS requirement (11.0 vs 15.0). Sea Shell Identifier's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Sea Shell Identifier sells 3 in-app purchases, starting at $4.99 per 7 days. AlienAlp asks for nothing beyond the download.

AlienAlp ships an update every 5 months, Sea Shell Identifier every 3 weeks. The most recent releases landed on September 17, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | AlienAlp | Sea Shell Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (168 ratings)](https://appshunter.io/ios/app/sea-shell-identifier-scanner/id6737782924/reviews)** |
| Number of ratings | — | **168** |
| Positive reviews | — | 13.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 60 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUT AGRICOLE REGIONAL](https://appshunter.io/developer/1465241726) | [APPMERGE TEKNOLOJI LIMITED SIRKETI](https://appshunter.io/developer/1822845284) |

## What reviewers say

### AlienAlp

[App page](https://appshunter.io/ios/app/alienalp/id1465241727)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sea Shell Identifier

[App page](https://appshunter.io/ios/app/sea-shell-identifier-scanner/id6737782924)

Identify seashells instantly using AI. This app provides detailed biological insights and allows you to manage your personal collection of coastal finds with location tagging.

**Highlights:** AI photo identification, 1000+ species database, Expert biological insights, Personal collection management, Location tagging for finds, Detailed species profiles

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $12.99 | per year |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is AlienAlp free?

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

### Is Sea Shell Identifier free?

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

### Do AlienAlp or Sea Shell Identifier have ads?

Neither AlienAlp nor Sea Shell Identifier shows ads.

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

AlienAlp ships an update every 5 months, and Sea Shell Identifier every 3 weeks. Most recently, AlienAlp was updated on September 17, 2026 and Sea Shell Identifier on September 1, 2026.

---

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