Public information

High-Tech vs Low-Tech AAC: Choosing the Right Communication Tool

Augmentative and Alternative Communication (AAC) ranges from simple picture boards to tablet-based speech apps. Compare costs, effectiveness, and use cases.

Quick summary

  • Side-by-side comparison of High-Tech AAC vs Low-Tech AAC autism services
  • AAC should be chosen through an individualized communication assessment. Some children need high-tech AAC early. Others use low-tech tools, high-tech tools, or both.
  • 3 frequently asked questions answered with evidence

High-Tech AAC

Tablet/App-Based AAC

Device Cost
Not published in scoped sourceiPad/tablet + dedicated app
Common Apps
Proloquo2Go, TouchChatSubscription or one-time purchase
Vocabulary Size
10,000+ wordsExpandable symbol sets
Voice Output
YesSynthesized or recorded speech
OAP Eligible
YesAs therapy-related equipment

Strengths

  • Large, expandable vocabulary supports language growth
  • Voice output enables communication with anyone
  • Highly customizable to individual child's needs and interests
  • Portable — child carries one device everywhere

Limitations

  • Device and software costs vary; confirm current prices and funding rules
  • Requires charging, maintenance, and technical troubleshooting
  • Can be overwhelming for beginners or very young children
  • Risk of damage, loss, or theft

Low-Tech AAC

Picture-Based Communication (PECS/Boards)

Cost
Not published in scoped sourcePicture cards, boards, binders
Common Systems
PECS, Visual SchedulesPicture Exchange Communication System
Vocabulary Size
50–500 symbolsPhysically limited by board size
Voice Output
NoCommunication partner must interpret
Durability
HighNo batteries, waterproof options available

Strengths

  • Very low cost and immediately available
  • No batteries, charging, or technical issues
  • Intuitive for young children and beginners
  • Durable — survives drops, spills, and rough handling

Limitations

  • Limited vocabulary constrained by physical board space
  • No voice output — requires a communication partner present
  • Carrying multiple boards can be cumbersome
  • Less socially acceptable for older children and adults

Analysis

AAC should be chosen through an individualized communication assessment. Some children need high-tech AAC early. Others use low-tech tools, high-tech tools, or both.

Frequently Asked Questions

Verified References & Sources

Updated:

Official Government Sources

  • [2026]
    Ontario Autism Program guidelines for Core Clinical Services and supportsGovernment Source
    Government of Ontario • Government • 2026-08-12
    View

Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: March 24, 2026.

Next Steps

Where the waitlist stands

Families navigating autism services in Ontario face a documented multi-year wait. Here is the Ontario data — and a two-minute way to push back, when you are ready.

See where the waitlist standsEmail Your MPP

Related Resources

Citable source facts(1)Question-and-answer pairs with their source and verification link.

What official government data tracks the Ontario autism waitlist?

Verified

Primary sources include Financial Accountability Office (FAO) annual reports, Ontario Auditor General reviews, Ontario Human Rights Commission policy statements, publicly available FOI data, and AccessOAP program data. Latest FOI data (May 2026) shows 91,974 registered children with only 22.5% having active funding agreements (up from 70,176 registered in the FAO 2023-24 report).

Source: FAO, Auditor General, OHRC, MCCSS FOI May 2026 · Verify Link

About This Article

Written by

Founder & Autism Advocate

Parent of autistic child navigating OAP system