| BlaB! | Lite | Standard | Enterprise |
| AJAX based [no flickering] | Yes | Yes | Yes |
| Fully resizable chat window | Yes | Yes | Yes |
| XHTML 1.0 STRICT / CSS2 | Yes | Yes | Yes |
| PHP4 / PHP5 / PHP6 compatible | Yes | Yes | Yes |
| UTF-8 multilanguage support | Yes | Yes | Yes |
| MySQL, SQLite, Postgre support | Yes | Yes | Yes |
| Emoticons | Yes | Yes | Yes |
| Sound notifications | Yes | Yes | Yes |
| Language and timezone settings | Yes | Yes | Yes |
| History | Yes | Yes | Yes |
| Bad words removal | Yes | Yes | Yes |
| 'http' links, text formatting | Yes | Yes | Yes |
| Built-in registration system | Yes | Yes | Yes |
| 'Guest' users | Yes | Yes | Yes |
| Admin Control Panel | Yes | Yes | Yes |
| - |
| Warn & ban users | No | Yes | Yes |
| Captcha on registering | No | Yes | Yes |
| Private one-to-one chat | No | Yes | Yes |
| Whispering in public rooms | No | Yes | Yes |
| Mobile phones support | No | Yes | Yes |
| SEO optimized | No | Yes | Yes |
| Status: Online, Away, Invisible | No | Yes | Yes |
| Integration [phpBB, IPB, vBulletin, Joomla etc] | No | Yes | Yes |
| Predefined avatars | No | Yes | Yes |
| Uploading avatars | No | Yes | Yes |
| Gravatars | No | Yes | Yes |
| Rooms | 1 | Unlimited | Unlimited |
| User groups | No | Yes | Yes |
| User permissions | No | Yes | Yes |
| Flood control | Client side only | Client & Server | Client & Server |
| Free install | No | On request | On request |
| Minor upgrades [5.0->5.9] | - | Free | Free |
| - |
| Major upgrades [5.x->6.x] | - | Discount | Free |
| Hidden [protected] rooms | No | No | Yes |
| Ignore users | No | No | Yes |
| Country recognition by IP | No | No | Yes |
| File sharing [upload and post files] | No | No | Yes |
| Image sharing [upload and post images in chat] | No | No | Yes |
| Map sharing [displays Google Maps in chat] | No | No | Yes |
| Video sharing [YouTube and MetaCafe videos] | No | No | Yes |
| - |
| Price | FREE | EURO 35.00 | EURO 75.00 |
