# Sea Shell Identifier vs Calque

The clearest difference is in-app purchases: Sea Shell Identifier at none against Calque's 3. Calque's advantage is update cadence (every 2 days vs every 3 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Calque sells 3 one-off in-app purchases. Sea Shell Identifier asks for nothing beyond the download.

Sea Shell Identifier ships an update every 3 weeks, Calque every 2 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Sea Shell Identifier | Calque |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 15 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Pacheco](https://appshunter.io/developer/1776997586) | [Zakaria Elkassmi](https://appshunter.io/developer/6785544936) |

## 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


### Calque

[App page](https://appshunter.io/ios/app/calque-document-translator/id6800795744)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 pages | $1.99 | one-time |
| 20 pages | $5.99 | one-time |
| 100 pages | $19.99 | one-time |


## Frequently asked questions

### Is Sea Shell Identifier free?

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

### Is Calque free?

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

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

Neither Sea Shell Identifier nor Calque shows ads.

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

Sea Shell Identifier ships an update every 3 weeks, and Calque every 2 days. Most recently, Sea Shell Identifier was updated on October 4, 2026 and Calque on October 5, 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.*