The below list from Apple® is a comprehensive list of braille displays supported by iOS devices
American Printing House for the Blind (APH)
- Refreshabraille 18
- Orbit Reader 20
Baum
- VarioConnect 12 (Conny)
- PocketVario 24
- Pronto! (18, 40) version 4 or newer
- SuperVario (32, 40, 64, 80)
- SuperVario2 (24, 32, 40, 64, 80)
- VarioConnect 12
- VarioConnect (24, 32, 40)
- VarioUltra (20, 40)
Freedom Scientific
- Focus 40 Blue (Classic)
- Focus 40 Blue v5
- Focus Blue (14, 40, 80)
GW Micro
- Braille Sense
- Braille Sense Plus (18, 32)
Handy Tech
- Active Braille
- Active Star 40
- Basic Braille (16, 20, 32, 40, 48, 64, 80)
- Braillino (Requires serial numbers greater than 09307)
- Easy Braille (Requires serial numbers greater than 09123)
- Braille Wave
- Braille Star 40
Harpo
- BraillePen (only supports Common braille commands for VoiceOver)
- BraillePen 12
- BraillePen 14
HIMS
- Braille Sense (Requires firmware v4.0 and higher)
- Braille Sense (Plus 18, Plus 32)
- Braille Sense U2 and U2 mini
- BrailleSense U2 QWERTY
- Braille EDGE 40
- Smart Beetle 14
Humanware
- BrailleConnect 12
- BrailleConnect (24, 32, 40)
- BrailleNote Apex BT (18, 32)
- BrailleNote Apex QT (18, 32)
- BrailleNote Apex (18, 32)
- Brailliant (24, 32, 40, 64, 80)
- Brailliant BI (32, 40)
- Brailliant B 80
KGS
- Braille Memo (32, 40)
MDV
National Braille Press
- B2G
Ninepoint Systems
Nippon Telesoft/Perkins
Optelec
- EasyLink (only supports Common braille commands for VoiceOver)
- EasyLink 12