Comparison

ERSB Lite vs Proloquo Coach

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ERSB Lite

This app builds early reading skills for students progressing from foundational literacy. It uses systematic instruction and assessments to help individuals read independently, proving effective for those with intellectual disabilities and autism.

Highlights
  • Early literacy skill development
  • Systematic instruction
  • Ongoing assessments
  • Progress to 2nd-grade reading level
  • Effective for intellectual disabilities
  • Effective for autism
Read full description

Note: This is the Free version of ERSB. Level 1 with 5 lessons is Free! The rest of the levels are available through the in-app store. Early Reading Skills Builder™(ERSB) curriculum, based on a multi-year research project from the University of North Carolina at Charlotte, is a stepping stone for graduates of Attainment’s ELSB Curriculum. ERSB takes students who mastered these early literacy skills to a 2nd grade reading level. It incorporates systematic instruction and ongoing assessments to teach students to read independently. It’s been proven effective for students with moderate to severe intellectual disability and/or autism, including those with complex communication needs.

About

Proloquo Coach

This app guides parents in using Augmentative and Alternative Communication (AAC) with their children. It offers step-by-step activities and articles to improve AAC partnership, with personalized feedback and support from an in-app team.

Highlights
  • Guided AAC learning chapters
  • Step-by-step activities
  • Personalized feedback and insights
  • In-app support team
  • Communication routine building
Read full description

AssistiveWare Proloquo Coach is Proloquo’s companion app available at no additional cost. It is designed to guide and support parents starting with Augmentative and Alternative Communication (AAC). Your skills are central to your child’s communication. Using easy step-by-step activities and articles, Proloquo Coach will help you become a better AAC partner. Requires a Proloquo plan. A guided start into AAC Proloquo Coach’s learning and practice chapters will help you build your skills and knowledge of AAC. Be the best AAC partner for your child. Practice makes perfect Practice the right thing at the right time and set good communication routines with personalized feedback and insights. You are not alone Our in-app support team can answer your questions and share more tips and tricks if you feel stuck.

Screenshots

Proloquo Coach4 screens

Verdict

The call

The clearest difference is review sentiment: Proloquo Coach at 83% against ERSB Lite's 0%. Proloquo Coach also leads on rating (4.9 vs 4.0) and in-app purchases (none vs 5). ERSB Lite's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ERSB Lite sells 5 one-off in-app purchases. Proloquo Coach asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Proloquo Coach holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Proloquo Coach has 49 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of ERSB Lite's written reviews are positive against 83% of Proloquo Coach's.

UpkeepUpdate frequency

ERSB Lite ships an update every 2 months, Proloquo Coach every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
ERSB Lite versus Proloquo Coach: the parameters behind the verdict, then further details
ParameterERSB LiteProloquo Coach
PriceFreeFree
Rating4.0 (3 ratings)4.9 (49 ratings) — better
Positive reviews0.0% of reviews83.3% of reviews — better
Number of ratings349 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPadiPhone, iPad — better
Requires iOS13.0 — better18.0
Further details — not scored
Size253 MB52 MB
Age rating4+4+
DeveloperAttainment CompanyAssistiveWare

Customer experience

ERSB Lite

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Proloquo Coach

All ratings49 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

5 purchases

ERSB Lite

One-time5
  • Levels 12-16$29.99
  • Levels 17-21$29.99
  • Levels 22-26$29.99
Show 2 more
  • Levels 2-6$29.99
  • Levels 7-11$29.99
None

Proloquo Coach

No in-app purchases

Questions

Is ERSB Lite free?
ERSB Lite is free to download, with in-app purchases available.
Is Proloquo Coach free?
Proloquo Coach is free to download, with no in-app purchases.
Which has better reviews, ERSB Lite or Proloquo Coach?
Proloquo Coach is rated higher. ERSB Lite averages 4.0 out of 5 from 3 ratings, while Proloquo Coach averages 4.9 from 49 ratings.
Do ERSB Lite or Proloquo Coach have ads?
Neither ERSB Lite nor Proloquo Coach shows ads.
Which is updated more often, ERSB Lite or Proloquo Coach?
ERSB Lite ships an update every 2 months, and Proloquo Coach every 5 weeks. Most recently, ERSB Lite was updated on November 1, 2026 and Proloquo Coach on November 3, 2026.

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