# DuckNSN vs SeaBag

The clearest difference is in-app purchases: SeaBag at none against DuckNSN's 2. SeaBag also leads on update cadence (every 5 days vs every 4 weeks) and ratings volume (10 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. DuckNSN sells 2 in-app purchases, starting at $4.99 per month. SeaBag asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DuckNSN against 5.0 for SeaBag. That said, the two scores are not equally well evidenced: SeaBag has 10 ratings behind it against 1, so its average is the more settled of the two.

DuckNSN ships an update every 4 weeks, SeaBag every 5 days. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DuckNSN | SeaBag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ducknsn/id6760239532/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/seabag/id6771576312/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Subscription | **Free** |
| Size | 46 MB | 81 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HERMIE DAVE JUNIO ASISTIO](https://appshunter.io/developer/1877349461) | [Long Cheung Ho](https://appshunter.io/developer/6771576494) |

## What reviewers say

### DuckNSN

[App page](https://appshunter.io/ios/app/ducknsn/id6760239532)

Quickly access federal supply catalog data on your mobile device. Search millions of parts, assemblies, and supply items by NSN, part number, or item name for instant results. Ideal for field access to critical supply information.

**Highlights:** Instant NSN lookups, Search by NSN, part number, or item name, Access to 16+ million federal supply items, Full NSN detail (part numbers, CAGE codes, manufacturers), Filter by FSC or Item Name Code, Works on iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DuckNSN Pro | $4.99 | per month |
| DuckNSN Pro | $49.99 | per year |


### SeaBag

[App page](https://appshunter.io/ios/app/seabag/id6771576312)

This app provides essential offline reference materials and tools for U.S. Navy Sailors. Access messages, regulations, calculators, and career planning utilities without an internet connection. Stay informed with push notifications for new messages and historical naval facts.

**Highlights:** Offline NAVADMIN & ALNAV search, Push notifications for new messages, MILPERSMAN, UCMJ, Uniform Regulations, Acronym decoder, BAH, Pay Charts, PFA/BCA calculators, SRB eligibility checker, Brag sheet builder

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

**In-app purchases:** none


## Frequently asked questions

### Is DuckNSN free?

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

### Is SeaBag free?

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

### Which has better reviews, DuckNSN or SeaBag?

DuckNSN and SeaBag are both rated 5.0 out of 5 on the App Store, from 1 and 10 ratings respectively.

### Do DuckNSN or SeaBag have ads?

Neither DuckNSN nor SeaBag shows ads.

### Which is updated more often, DuckNSN or SeaBag?

DuckNSN ships an update every 4 weeks, and SeaBag every 5 days. Most recently, DuckNSN was updated on October 11, 2026 and SeaBag on October 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.*