ERSB vs ALL Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERSB
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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.
ALL Lite
This free educational app offers foundational literacy skills for young learners. It focuses on sound blending and letter-sound correspondence, providing a taste of the full program's capabilities.
- Sound Blending skill
- Letter-Sound Correspondence skill
- Unlimited student profiles
- Access to initial program content
- Designed for early learners
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This FREE version of the ALL software allows you to create an unlimited number of students and work through the first skill of Sound Blending and the first 3 letters in the Letter-Sound Correspondence skill. To work through the entire program, please purchase the full version of ALL.
Verdict
The clearest difference is price: ALL Lite at Free against ERSB's $149.99. ERSB's advantage is update cadence (every 6 weeks vs every 8 months). On ads, in-app purchases, device support and iOS requirement 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
ALL Lite is free to download; ERSB costs $149.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ERSB ships an update every 6 weeks, ALL Lite every 8 months. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.
| Parameter | ERSB | ALL Lite |
|---|---|---|
| Price | $149.99 | Free — better |
| Rating | — | 3.5 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPad |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 246 MB | 419 MB |
| Age rating | 4+ | 4+ |
| Developer | Attainment Company | Tobii Dynavox LLC |
In-app purchases
ERSB
No in-app purchases
ALL Lite
No in-app purchases
