# ERSB Lite vs Proloquo Coach

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.

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

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.

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.

## The numbers

| Metric | ERSB Lite | Proloquo Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/ersb-lite/id976322567/reviews) | **[4.9 (49 ratings)](https://appshunter.io/ios/app/proloquo-coach/id1488458662/reviews)** |
| Number of ratings | 3 | **49** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 253 MB | 52 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Attainment Company](https://appshunter.io/developer/403989333) | [AssistiveWare](https://appshunter.io/developer/308368167) |

## What reviewers say

### ERSB Lite

[App page](https://appshunter.io/ios/app/ersb-lite/id976322567)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Levels 12-16 | $29.99 | one-time |
| Levels 17-21 | $29.99 | one-time |
| Levels 22-26 | $29.99 | one-time |
| Levels 2-6 | $29.99 | one-time |
| Levels 7-11 | $29.99 | one-time |


### Proloquo Coach

[App page](https://appshunter.io/ios/app/proloquo-coach/id1488458662)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*