seashellOS
Seashell Studios LLC Business iPhoneiPadiPod touch
seashellOS is a free Business app for iPhone and iPad by Seashell Studios LLC. Requires iOS 26.0. Updated September 1, 2026.
- Price
- Free
- on the App Store
- Size
- 61 MB
- Age 4+
- Updated
- Sep 1
- 2026 · v1.1.2
Screenshots
About seashellOS
seashellOS is the operating system for your client business — invoices, projects, bookings, contracts, galleries and messaging in one place, so you stop stitching six tools together. Built for anyone who works client by client: studios, freelancers, agencies, consultants, contractors and small service businesses of any kind. RUN THE WHOLE RELATIONSHIP • Clients and projects with everything filed against them • Invoices and payments, with automatic reminders • Bookings and scheduling with calendar sync • Contracts and quotes with e-signatures • Client messaging with file and photo sharing • Galleries and video delivery for finished work KNOW WHERE YOU STAND • Connected banking keeps income and expenses current • Mileage and time tracking • Revenue, outstanding invoices and profitability at a glance WORK FASTER WITH SHELLO Available on Pro+, Shello drafts agreements, builds quotes, writes client replies and surfaces what needs attention in your finances. — MEMBERSHIP seashellOS is free to start: up to 3 clients, 2 invoices a month, project management, contracts and client messaging. Paid plans are auto-renewing subscriptions: • Pro — $9/month or $86/year Unlimited clients and projects, bookings and calendar sync, connected banking, custom branding, mileage and time tracking, 10 GB storage. • Pro+ — $19/month or $180/year Everything in Pro, plus the Shello AI assistant, AI agreement generator, AI quote builder, AI financial insights, template library, 50 GB storage. • Team — $99/month or $948/year Everything in Pro+, plus team seats and shared access, a white-label client portal, custom domain and email branding, unlimited storage, and the gear rental platform. Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage your subscription and turn off auto-renew in your Apple Account settings after purchase. Any unused portion of a free trial period is forfeited when you purchase a subscription. Terms of Use: https://seashell-os.com/terms Privacy Policy: https://seashell-os.com/privacy
What’s new
Version 1.1.2 · Updated September 1, 2026
Your Finance tab stays up when something goes wrong. • If one piece of your financial data can't be loaded, everything else still loads. Before, a single hiccup replaced the whole tab with an error page. • A background refresh that fails no longer clears the figures already on your screen. • If your account doesn't have access to a section, the app now says so plainly instead of offering a "Try Again" that could never work. • Signing back in after your session expires is more reliable. • The same fixes apply on iPad.
App privacy
The developer, Seashell Studios LLC, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address, Name, Phone Number
- Identifiers: User ID
- Usage Data: Product Interaction
- User Content: Emails or Text Messages
Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality, Other Purposes
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Sensitive Info: Sensitive Info
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Financial Info: Payment Info, Other Financial Info
- Location: Precise Location, Coarse Location
- Contacts: Contacts
Used for: Analytics, Product Personalization, App Functionality
Alternatives to seashellOS
Looking for apps like seashellOS? Here are 6 similar apps on the App Store. The highest rated is Duffle (5.0/5), and 5 of the 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| seashellOS | – | Free | September 1, 2026 | |
| Duffle | 5.0 / 5 (1) | Free | Sep 15, 2026 | Compare |
| ProdConnect | 5.0 / 5 (3) | Free | Jul 16, 2026 | Compare |
| CFR Ministry | 4.6 / 5 (35) | Free | Sep 15, 2026 | Compare |
| Avaza - Unified Team Work | 4.5 / 5 (6) | Free | Jul 18, 2025 | Compare |
| Tap Forms Organizer 5 Database | 4.7 / 5 (1,255) | 16.99 USD | Apr 28, 2025 | Compare |
| Contacts + CRM by Dextr | 5.0 / 5 (47) | Free | Nov 2, 2026 | Compare |
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