Side by side
Airborn vs ContactOffice
Both stand on collaborative document software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Airborn combines document editing with stated protections for document privacy and code integrity. Consider whether the paid-plan features and update-warning limitation fit your needs.
Visit Airborn Free plan AndroidiPhoneLinux+3
ContactOffice brings communication, scheduling, contacts, and document collaboration together, with multiple synchronization options. Its free plan has storage and contact limits, and global synchronization requires a paid subscription.
Visit ContactOfficeThe facts
| Airborn | ContactOffice | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Android, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Knowledge Worker: £2.66 a month | See the plans |
| Plans published | 3 | 4 |
| Maker | Not published | Not published |
| Website | airborn.io | contactoffice.com |
| On collaborative document software | #9 of 33 | #5 of 33 |
Airborn: what it does well
- Encrypts documents before they leave your computer
- Service Workers check app code against a public GitHub version
- Knowledge Worker includes collaboration and old-version recovery
- Business Worker lets users control updates
What to know first
- The update warning may not appear while the app runs in the background
- Collaboration and version recovery are on paid plans
ContactOffice: what it does well
- Combines email, calendars, contacts, and documents
- Supports CalDAV, CardDAV, and WebDAV
- Lists TLS/SSL encryption and two-factor authentication
- Users can export data in standard formats
What to know first
- Free plan has 500 MB mailbox and document storage
- Free plan allows 200 address-book entries
- Global synchronization is limited to paid subscriptions
Alternatives to Airborn Alternatives to ContactOffice The whole list