# Duffle vs seashellOS

The clearest difference is in-app purchases: Duffle at none against seashellOS's 6. Duffle also leads on iOS requirement (16.0 vs 26.0). seashellOS's advantage is update cadence (daily vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. seashellOS sells 6 in-app purchases, starting at $9.00 per month. Duffle asks for nothing beyond the download.

Duffle ships an update every 2 weeks, seashellOS daily. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Duffle | seashellOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duffle/id6717603175/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 60 MB | 61 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Duffle, Inc.](https://appshunter.io/developer/1770497527) | [Seashell Studios LLC](https://appshunter.io/developer/1881349061) |

## What reviewers say

### Duffle

[App page](https://appshunter.io/ios/app/duffle/id6717603175)

This comprehensive platform empowers talent managers, sports agents, and agencies to streamline operations. Manage client portfolios, contracts, and revenue with AI-powered insights and a smart calendar. Securely access all your business needs from any device.

**Highlights:** Client portfolio management, Contract tracking and management, Revenue analysis dashboards, Smart calendar for deadlines, AI-powered insights and alerts, Morning briefing summaries, Secure authentication

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

**In-app purchases:** none


### seashellOS

[App page](https://appshunter.io/ios/app/seashellos/id6759867574)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Tier - 1 Month | $9.00 | per month |
| Pro+ Tier | $19.99 | per month |
| Pro Tier - Annual | $85.99 | per year |
| Team Plan - Monthly | $99.00 | per month |
| Pro Plus - Annual | $180.99 | per year |
| Team Plan - Annual | $949.00 | per year |


## Frequently asked questions

### Is Duffle free?

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

### Is seashellOS free?

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

### Do Duffle or seashellOS have ads?

Neither Duffle nor seashellOS shows ads.

### Which is updated more often, Duffle or seashellOS?

Duffle ships an update every 2 weeks, and seashellOS daily. Most recently, Duffle was updated on October 2, 2026 and seashellOS 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.*