Roll, maintain, and store all your old-school characters on your iPhone or iPad with OS Character.

An offline-first companion that saves everything locally with iCloud sync when you’re ready to mirror your binder across devices. From the first roll to a table-ready sheet takes under two minutes thanks to the guided creation flow that mirrors the SRD, covering ability scores, classes, languages, equipment, and spells.

Highlights

• Guided creation handles 3d6-in-order ability rolls, prime requisite adjustments, gold, gear, spells, character portrait upload, and naming—each step with dedicated UI so new and veteran players stay on track.
• An always-accurate live sheet recalculates HP, AC, THAC0 or ascending attack bonus, saves, movement, and derived stats the moment you edit, with tabbed layouts for combat, inventory, spells, retainers, and notes.
• Make table-side adjustments instantly—enter damage or healing, add XP with auto-calculated prime requisite bonuses, handle coin purses, and settle retainer wages while tracking loyalty, gear, wages, and statuses in context.
• Manage encumbrance and equipment with categorized weapon/armour, general gear, magic items, and treasure sections, complete with quick equip toggles, consumable tracking, and bundle-aware use buttons.
• Run your spellbook with automatic slot grids, known-spell caps, prepared/cast tracking, rest resets, and per-level prep flows tailored to each class.
• Command a multi-character binder with search, swipe actions, and one-tap access to start a new guided flow.
• Export polished PDFs that respect all optional rules then share directly from the live sheet; edit, resize, or replace character portraits any time.
• Keep control of your data with on-device storage, optional iCloud sync toggles, manual upload/download controls, and conflict review tools.
• Customize your table rules with optional AC presentation, encumbrance modes, HP rerolls, individual initiative, sub-par rerolls, and variable weapon damage toggles.

Legal

Old-School Essentials is a trademark of Necrotic Gnome; OS Character uses SRD content under the Open Game License v1.0a and is not affiliated with or endorsed by Necrotic Gnome.

Privacy Policy

App: OS Character
Effective Date: September 27, 2025

Summary: Offline-first. No tracking. No analytics. All data remains on your device unless you choose to export it.

1. Scope

This policy explains how OS Character handles information. The App is designed to function without collecting personal data or sending data to external servers.

2. Data We Collect

No personal data is collected. The App does not use analytics, advertising SDKs, crash reporters, or social plugins. All character sheets, preferences, and calculations are processed and stored on your device.

3. How Your Data Is Used

Data you enter (e.g., character stats, inventory) is used only to provide App features like calculations, sorting, and display—entirely on-device and offline.

4. Third-Party Services

No analytics and no ads. The App includes rules text from the Old-School Essentials System Reference Document (SRD) under the Open Game License v1.0a. This is content, not tracking. If you choose to export or back up data using your own tools (e.g., iCloud Drive, Files), those services’ policies apply.

5. Storage & Security

Data is stored locally using Apple’s on-device storage mechanisms. Deleting the App removes local data. If you exported or backed up data yourself, those copies remain where you saved them.

6. Data Retention

We do not retain any personal data on our servers. Your device retains your data until you delete it or uninstall the App.

7. Children’s Privacy

The App does not collect personal data and does not target children with data collection. No profiles are created and no data is transmitted to us.

8. Do-Not-Track

Do-Not-Track is inherently respected: the App does not track you.

9. Changes to This Policy

We may update this policy for legal or product reasons. The latest version will always appear on this page, with the effective date updated above.

10. Contact

Questions? Contact blakederusha@guildprod.com.