# eSUPPO vs DuckNSN

The clearest difference is rating: DuckNSN at 5.0 against eSUPPO's 3.5. DuckNSN also leads on update cadence (every 4 weeks vs every 2 months). eSUPPO's advantage is in-app purchases (none vs 2) and ratings volume (6 vs 1). On price, 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. eSUPPO asks for nothing beyond the download.

DuckNSN holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: eSUPPO has 6 ratings behind it against 1, so its average is the more settled of the two.

eSUPPO ships an update every 2 months, DuckNSN every 4 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | eSUPPO | DuckNSN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/esuppo/id1102534585/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ducknsn/id6760239532/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | **Free** | Subscription |
| Size | 40 MB | 46 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NAVSUP Business Systems Center (BSC)](https://appshunter.io/developer/1102534584) | [HERMIE DAVE JUNIO ASISTIO](https://appshunter.io/developer/1877349461) |

## What reviewers say

### eSUPPO

[App page](https://appshunter.io/ios/app/esuppo/id1102534585)

Access Supply Corps information quickly without multiple logins. Find news, job listings, educational programs, instructions, and contact your detailer. Content can be viewed offline and updates automatically when online.

**Highlights:** Access NAVSUP news, View billet listings, Find educational program info, Access NAVSUP instructions, Contact your detailer, Offline content viewing, Automatic content updates

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is eSUPPO free?

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

### Is DuckNSN free?

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

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

DuckNSN is rated higher. eSUPPO averages 3.5 out of 5 from 6 ratings, while DuckNSN averages 5.0 from 1 ratings.

### Do eSUPPO or DuckNSN have ads?

Neither eSUPPO nor DuckNSN shows ads.

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

eSUPPO ships an update every 2 months, and DuckNSN every 4 weeks. Most recently, eSUPPO was updated on November 2, 2026 and DuckNSN on October 31, 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.*