# Sea Shell Identifier vs Banknote Identifier

The clearest difference is rating: Banknote Identifier at 4.0 against Sea Shell Identifier's 3.0. Banknote Identifier also leads on monetization model (freemium vs subscription) and iOS requirement (15.0 vs 17.0). Sea Shell Identifier's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Sea Shell Identifier sells 2 in-app purchases, starting at $4.99 per 7 days and Banknote Identifier sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

Banknote Identifier holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Sea Shell Identifier ships an update every 2 weeks, Banknote Identifier every 2 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sea Shell Identifier | Banknote Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sea-shell-identifier-shell-id/id6768183482/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/banknote-identifier-bill-scan/id6786036636/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Subscription | **Freemium** |
| Size | 22 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UdaTech](https://appshunter.io/developer/1665786346) | [ALPEREN INAN](https://appshunter.io/developer/6780270649) |

## What reviewers say

### Sea Shell Identifier

[App page](https://appshunter.io/ios/app/sea-shell-identifier-shell-id/id6768183482)

Instantly identify seashells and coastal finds from a photo. Get detailed information about shell types, habitats, and visual features. Save and organize your discoveries in a personal collection.

**Highlights:** Identify shells from photos, Detailed shell information, Learn about shell habitats, Save and organize finds, Personal seashell journal

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $29.99 | per year |


### Banknote Identifier

[App page](https://appshunter.io/ios/app/banknote-identifier-bill-scan/id6786036636)

Instantly identify world currencies, rare collectibles, and historical banknotes with a photo. Get detailed information on country, year, rarity, and estimated collector value. Perfect for collectors, travelers, and enthusiasts seeking to uncover the stories and value in their currency.

**Highlights:** AI banknote identification via photo, Detailed currency information, Estimated collector value, Historical context, Discover similar banknotes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Plan | $39.99 | per year |
| Lifetime Plan | $79.99 | one-time |


## Frequently asked questions

### Is Sea Shell Identifier free?

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

### Is Banknote Identifier free?

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

### Which has better reviews, Sea Shell Identifier or Banknote Identifier?

Banknote Identifier is rated higher. Sea Shell Identifier averages 3.0 out of 5 from 2 ratings, while Banknote Identifier averages 4.0 from 1 ratings.

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

Neither Sea Shell Identifier nor Banknote Identifier shows ads.

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

Sea Shell Identifier ships an update every 2 weeks, and Banknote Identifier every 2 months. Most recently, Sea Shell Identifier was updated on October 2, 2026 and Banknote Identifier on October 6, 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.*