# Arc vs SigmaOS

| Attribute | Arc | SigmaOS |
|---|---|---|
| **Vioscale score** | 54.4 (31% (low)) | 66.9 (26% (low)) |
| description.long | Arc is a browser that prioritizes user privacy and control, built on Chromium with features like customizable workspaces, account switching with isolated data, and split-view capabilities to organize your work and personal browsing. | A macOS web browser focused on reducing digital distractions through ad-free browsing and streamlined navigation, built on WebKit for performance and privacy while supporting Chromium extensions. |
| features.capabilities | `{"iso_27001":false,"soc2_type_ii":false,"pricing_model":"completely_free","deployment_model":"chromium_fork","native_ad_and_tracker_blocking_engine":false,"chrome_extension_webstore_compatibility":true,"split_screen_web_panels_in_single_window":true,"multi_account_cookie_isolation_containers":true}` | - |
| integrations.count | 1 | 4 |
| integrations.list | `[{"name":"uBlock Origin"}]` | `[{"name":"Grammarly"},{"name":"LastPass"},{"name":"Honey"},{"name":"Todoist"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"mac":true}` |
| pricing | `{"type":"free","sourceUrl":"https://arc.net","retrievedAt":"2026-08-25T08:38:09.439Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Personal","summary":"Free forever","features":["Ad-free browsing","One-click navigation","Tab locking and renaming","Chromium extension support","RAM optimization","Intelligent Tracking Protection","WebKit security"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free forever with core browser features","contactSales":false},{"free":false,"name":"Pro","summary":"$20/month (50% discount for students and educators)","features":["All Personal features","Unlimited Airis usage"],"commitment":"monthly","components":[{"kind":"fixed","amount":20,"period":"month","currency":"USD"}],"description":"Enhanced features with unlimited Airis usage","contactSales":false}],"summary":"Free tier; Pro at $20/month with 50% student/educator discount","currency":"USD","freeTier":true,"sourceUrl":"https://sigmaos.com","retrievedAt":"2026-08-18T22:05:48.581Z","startingPrice":{"amount":20,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | - | yes |
| pricing.model | free | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":20,"currency":"USD"}` |
| pricing.transparent | - | yes |
| security.gdpr | yes | - |
| security.soc2 | yes | - |

## Capabilities (Browser Productivity)

| Capability | Arc | SigmaOS |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Chromium fork | - |
| Chrome extension webstore compatibility | ✓ | - |
| Vertical tab sidebar layout | - | - |
| Split screen web panels in single window | ✓ | - |
| Multi account cookie isolation containers | ✓ | - |
| Cmd k command palette global search | - | - |
| Native ad and tracker blocking engine | ✗ | - |
| Collaborative shared workspaces and folders | - | - |
| Memory suspension inactive tab freezing | - | - |
| Generative AI LLM page summarization | - | - |
| SOC2 type ii | ✗ | - |
| ISO 27001 | ✗ | - |
| Pricing model | Completely free | - |

*Source: Vioscale. Generated 2026-09-01T17:23:59.196Z. "-" = undocumented, not absent.*