Asterics AAC vs TD Snap

Asterics AAC9.4Visit TD Snap9.2Visit

Higher score Asterics AAC #1 in AAC Communication Software 9.4/10 Free plan Free plan✓ 2 of 2 features Visit Asterics AAC

vs

TD Snap #2 in AAC Communication Software 9.2/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit TD Snap

• Asterics AAC fits best

  Broad, accessible AAC at no software cost

• TD Snap fits best

  Free AAC with eye-gaze and switch access

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Side by side

Feature	Asterics AAC 9.4/10 Visit ↗	TD Snap 9.2/10 Visit ↗
At a glance
Editor score	9.4	9.2
Ranking	#1 in AAC Communication Software	#2 in AAC Communication Software
Best for	Broad, accessible AAC at no software cost	Free AAC with eye-gaze and switch access
Pricing model	Free	Free plan + paid
Starting price	Free plan	—
Free plan	✓	✓
Free trial	—	30 days
Deployment	Cloud, Self-hosted, Browser extension	Desktop, Mobile, Cloud
Platforms	Web, Windows, macOS, Linux, iOS, Android	Windows, iOS
Support	Email, Community, Docs	Email, Phone, Docs
Integrations	4 integrations	3 integrations
Built for	Solo, Small business	Solo, Small business, Mid-market, Enterprise
Features Asterics AAC 2/2 · TD Snap 2/2
Speech output	✓	✓
Offline use	✓	✓
Specs
Symbol system	Hybrid	Hybrid
Access methods	Touch, mouse, keyboard, external switch, scanning, hovering, microphone input, and AsTeRICS Framework events such as eye or head movement	touch, eye gaze, switch and scanning
Supported platforms	Web browsers on Android, iOS, Windows, macOS and Linux	Windows and iPadOS
Layout customization	Fully_customizable	Fully_customizable
Our review
Pros	Free and open source across web, desktop and mobile platforms Fully customizable grids with symbols, text, images and speech actions Supports scanning, switches, hovering, eye or head movement and offline use	Free symbol and text page sets with editing, sharing and syncing Supports touch, eye-gaze, switch and scanning access methods Works offline with customizable layouts and speech options
Cons	Grid configuration may require more setup than a fixed AAC interface Advanced environmental control depends on compatible AsTeRICS Framework events Some features, including prediction and control, may require individual configuration	Gateway, PODD and Metacom page sets require paid upgrades Speech output is provided through a separate Speaking Upgrade Available platforms are limited to Windows and iPadOS
Our verdict	Asterics AAC is a web-based augmentative and alternative communication tool for people who need supported communication. It is designed for users, families, educators and care teams who need adaptable communication grids rather than a… Read the review →	TD Snap is augmentative and alternative communication software for people with speech and language disabilities, including autism, cerebral palsy and aphasia. It combines symbol-supported page sets with a text-based page set that includes… Read the review →

Strengths and trade-offs

• Asterics AAC — where it wins

  • Free and open source across web, desktop and mobile platforms
  • Fully customizable grids with symbols, text, images and speech actions
  • Supports scanning, switches, hovering, eye or head movement and offline use

  Where it doesn't

  • Grid configuration may require more setup than a fixed AAC interface
  • Advanced environmental control depends on compatible AsTeRICS Framework events
  • Some features, including prediction and control, may require individual configuration

• TD Snap — where it wins

  • Free symbol and text page sets with editing, sharing and syncing
  • Supports touch, eye-gaze, switch and scanning access methods
  • Works offline with customizable layouts and speech options

  Where it doesn't

  • Gateway, PODD and Metacom page sets require paid upgrades
  • Speech output is provided through a separate Speaking Upgrade
  • Available platforms are limited to Windows and iPadOS

• Asterics AAC9.4/10 · Free plan

  A flexible free AAC option for users needing personalized grids and varied input methods.

  Visit Asterics AACFull verdict →
• TD Snap9.2/10 · Free plan · 30-day trial

  A free AAC foundation with eye-gaze, switch and scanning access, plus paid page-set upgrades.

  Visit TD SnapFull verdict →