| Included Feature/Benefit | SUI Say | SUI Lite | SUI Pack |
| Text to Speech (TTS) | X | X | X |
| Detect when TTS is speaking | X | X | |
| Get and set TTS voices | X | ||
| Get current sound input level | X | ||
| Get Speech preference pane info (Mac only) | X | ||
| Create simple SR grammars with variances | X | X | |
| Programmically start/stop listening | X | X | |
| Specify a phrase pair to suspend/resume listening | X | ||
| Specify method for speech notification (Mac only) | X | X | |
| Get spoken phrase text and assigned ID | X | X | |
| Voice-entry of pre-defined alpha values | X | X | |
| Voice-entry of numbers, digits, dates and times | X | ||
| Voice-entry of phonetic alphabet (for spelling) | X | ||
| Voice-entry of pre-defined character patterns | X | ||
| Automatic normalization of spoken data entry | X | ||
| Vocally switch between open form windows | X | ||
| Vocally sort records and select rows | X | ||
| Single command to voice-enable fields/variables | X | ||
| Single command to voice-enable form objects | X | ||
| Inquire4D constants available in 4D methods | X | ||
| Product licensing (per developer) - MAC | Free | $99 | $245 |
| Product licensing (per developer) - WIN | Free | $99 | $225 |

