ALL Lite vs Unity Discover
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Unity Discover
This app offers a risk-free trial of a communication and language building platform. It adapts to various skill levels, supporting users from basic words to complex sentences. After the trial, users can purchase the full version or continue using a limited feature set.
- Risk-free trial of full features
- Adaptive platform for all skill levels
- Supports early to advanced language
- Minspeak® vocabulary accessibility
- Lite-tech board access after trial
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Experience Unity® Discover, the new, risk-free way to try all the features of the popular Unity app before you buy. After downloading, you’ll have the option to start a free 30-day trial OR to explore the Unity lite-tech board. Unity offers a flexible, intuitive platform that adapts to users of all skill levels, helping them communicate more effectively and build language skills for greater independence. The Unity Discover app makes this research-based, Minspeak® vocabulary more accessible for all voices. Whether you're just beginning to explore communication or seeking more advanced capabilities, Unity grows with you. It supports early communication with simple words and expands to complex adult-level language, all within one system. After your 30-day trial ends, you’ll have the option to purchase Unity. If you don’t make a purchase, you’ll still have access to the Unity lite-tech board when your trial period ends. By downloading and using the Unity Discover app, the purchaser accepts the PRC-Saltillo Unity Discover Software License Terms. The Manufacturer of the iOS application – Unity Discover is: Prentke Romich Company dba PRC-Saltillo 1022 Heyl Rd Wooster, OH 44691 USA Tel.: (330) 262-1984 // (800) 262-1984 Fax: (330) 262-4829 Email: info@aacapps.com Web: www.prc-saltillo.com The EU Authorized European Representative for the iOS application – Unity Discover is: Prentke Romich GmbH Karthäuserstr. 3 D-34117 Kassel Germany Tel.: (05 61) 7 85 59-0 Fax: (05 61) 7 85 59-29 Email: info@prentke-romich.de Web : www.prentke-romich.de The UK Responsible Person for the iOS application – Unity Discover is: Liberator Ltd Glenside Business Park West Pinchbeck, Spalding, Lincolnshire, PE11 3SA UK Tel: +44 (0)1733 370470 Email: info@liberator.co.uk Web: www.liberator.co.uk/ The Swiss Authorized Representative for the iOS application – Unity Discover is: Inspera GmbH Thunstrasse 64 | CH-3110 Münsingen Phone +41 31 819 74 60 | Mobile +41 79 435 53 09 mail@inspera.ch | www.inspera.ch
Screenshots
Verdict
The clearest difference is rating: ALL Lite at 3.5 against Unity Discover's 3.0. ALL Lite also leads on in-app purchases (none vs 2) and iOS requirement (12.0 vs 16.0). Unity Discover's advantage is update cadence (every 5 weeks vs every 8 months). On price, ratings volume, 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
Both are free to download. Unity Discover sells 2 one-off in-app purchases. ALL Lite asks for nothing beyond the download.
ALL Lite holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
ALL Lite ships an update every 8 months, Unity Discover every 5 weeks. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.
| Parameter | ALL Lite | Unity Discover |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 8 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 419 MB | 1.7 GB |
| Age rating | 4+ | 4+ |
| Developer | Tobii Dynavox LLC | Prentke Romich Company |
Customer experience
ALL Lite
Unity Discover
In-app purchases
ALL Lite
No in-app purchases
Unity Discover
- Unity 30-Day TrialFree
- Unity Full Version Upgrade$299.99








