Which scanner to choose?

 Mouse scannerCamera scannerSheetfeed scannerPortable scanner
 IRIScan MouseIRIScan Desk 6 Pro DyslexicIRIScan Express 4 / Executive 4IRIScan Book 5 (WIFI)
Suitable for dyslexiaYesYesYesYes
Suitable for dysphasiaYesYesYesYes
Suitable for dysgraphiaYesYesYesYes
Suitable for dyspraxiaYesYesYesNo
Fits in a school bagYesYesYesYes
Carrying case availableNoNoNoYes
Text-to-speechNoYesNoNo
TranslationNoYesNoNo
Standalone (works without a computer)NoNoNoYes
PDF and JPG scanningYesYesYesYes
Recognizes handwritingNoNoNoNo
OCR functionYesYesReadiris 16Readiris 16
Battery lifeNot applicable Not applicableNot applicable200 pages
Wifi connectivityNoNoNoYes (Wifi version)
PC and Mac compatibilityPCPCPCPC / Mac
Supports duplex scanningOne-sidedOne-sidedDuplex (Executive)One-sided