# Delta Services vs Shell Identifier

The clearest difference is in-app purchases: Delta Services at none against Shell Identifier's 2. Delta Services also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.0). Shell Identifier's advantage is update cadence (every 3 weeks vs every 5 weeks). On price 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 month. Delta Services asks for nothing beyond the download.

Delta Services ships an update every 5 weeks, Shell Identifier every 3 weeks. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Delta Services | Shell Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (6 ratings)](https://appshunter.io/ios/app/delta-services/id6451003567/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 42 MB | 36 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Delta Services LLC](https://appshunter.io/developer/1696171704) | [华珍 许](https://appshunter.io/developer/6790236293) |

## What reviewers say

### Delta Services

[App page](https://appshunter.io/ios/app/delta-services/id6451003567)

Easily request service or contact for emergency assistance with your system. Stay connected and manage your needs efficiently.

**Highlights:** Request service, Contact for emergency service, System management, Stay connected

**In-app purchases:** none


### Shell Identifier

[App page](https://appshunter.io/ios/app/shell-identifier-seashell-id/id6801794285)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seashell ID Pro — Monthly | $4.99 | per month |
| Seashell ID Pro — Yearly | $19.99 | per year |


## Frequently asked questions

### Is Delta Services free?

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

### Is Shell Identifier free?

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

### Do Delta Services or Shell Identifier have ads?

Shell Identifier shows ads; Delta Services does not.

### Which is updated more often, Delta Services or Shell Identifier?

Delta Services ships an update every 5 weeks, and Shell Identifier every 3 weeks. Most recently, Delta Services was updated on October 20, 2026 and Shell Identifier on October 29, 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.*