Lexico Articulation vs Keywords Understanding Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lexico Articulation
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Learn how to pronounce and practice consonant sounds in the English language with Lexico Articulation. This engaging app has been created by experienced speech pathologists for children and adults to improve the clarity of pronunciation by practicing individual target sounds. Practicing is fun with over 1500 flashcards and a variety of appealing ways to exercise. This flexible learning tool offers: detailed explanations on sound formation to help parents 22 target main sounds with initial, medial or final positions of words as well as target sound blends 50-300 flash cards for each target sound exercises to identify number of syllables and target sound position in words flexibility to work with varying combinations of picture, text and sound option to record and rate the students Lexico Articulation is recommended for: - speech therapy for language impairment, for dysarthria or aphasia therapy - home exercises for students A detailed log is used to track student progress and can be shared by mail. Lexico Articulation includes the L- target sound. All other target sounds can be purchased individually or a complete package with various in-app purchase options.
Keywords Understanding Lite
This app offers a sample of speech and language therapy exercises focused on sentence comprehension. It helps users practice following directions, understanding basic concepts, and improving auditory and reading comprehension skills through interactive activities.
- Listening comprehension exercises
- Reading comprehension exercises
- Following directions (one/two-step, temporal, sequential)
- Basic concepts (size, color)
- Vocabulary understanding
- Sample of full app features
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Keywords Understanding LITE is a free version of Keyword Understanding. It gives you a sample of the content you would get in the full version. It allows you to see how the full version works and try it out for free. Keyword Understanding (the full app version) is a professional speech and language therapy app that works on sentence-level reading and listening comprehension. It also targets the understanding of vocabulary, basic concepts and the ability to follow directions of increasing keyword length. WHO IS KEYWORD UNDERSTANDING FOR? - Children with reduced attention and auditory processing difficulties - Children with language delay or disorder - Children with autism and language comprehension difficulties - Adults with aphasia and reading or spoken language comprehension difficulties after a stroke or traumatic brain injury - Adults with cognitive-communication difficulties due to stroke or brain injury WHAT LANGUAGE AREAS DOES KEYWORD UNDERSTANDING TARGET? FOLLOWING DIRECTIONS: Following directions is important in our everyday lives. In order to understand and follow directions, one needs a strong knowledge of basic concepts, vocabulary and the ability to process and retain spoken or written information in memory. BASIC CONCEPTS, ONE AND TWO STEP DIRECTIONS: Keyword Understanding works on the basic concepts of size and color as well as one and two-step directions of increasing length and difficulty e.g - “Touch the red balloon” - “Touch the small green umbrella” - “Touch the yellow chair and the blue candle” - “Touch the big pink cupcake and the small green glasses”. TEMPORAL DIRECTIONS (BEFORE/AFTER): Keyword Understanding includes Temporal Directions tasks that target the child or adult’s ability to follow directions that include the concepts 'Before/After' in a variety of positions in the sentence. e.g - “Before you touch the t-shirt, touch the phone” - “After you touch the lamp, touch the vase” - “Touch the flower before you touch the box” - “Touch the sock after you touch the bucket” SEQUENTIAL DIRECTIONS (FIRST…THEN): The app also includes Sequential Directions that target the child or adult’s ability to follow directions that include the concepts 'First ... Then' in the sentence. e.g - “First touch the ladder, then touch the bike”. FEATURES OF KEYWORDS UNDERSTANDING LITE This FREE version, Keywords Understanding LITE allows you to sample each activity in the full version but it only includes 6 objects. The FULL version includes many more allowing for much more variety in each activity and many more trials. The full version also allows you to select and deselect vocabulary items in the Word List. 3 modes: - Listening Comprehension (Audio Only): Match the spoken direction to the pictures - Reading Comprehension (Text Only): Match the written direction to the pictures - Listening and Reading Comprehension (Audio and Text): Match the spoken and written directions to the pictures - Bright, colorful, real-life photos of common objects - 6 objects in five different colors and sizes. The full version has a large variety allowing for thousands of possible following directions tasks - 3 trials in each activity. The full version allows for up to 50 trials per session. - A comprehension check activity to find out where comprehension breakdown occurs - Audio feedback for correct answers only, incorrect answers only or both - Graded tasks of increasing difficulty - User profiles and result history - Automatic tracking of scores - Optional results summary via email - iOS voices (automatically selected based on your region). Download an enhanced iOS voice for best quality. All Aptus Speech Therapy apps participate in the 50% off Volume Purchase Program, so you can buy in bulk at a discounted price. Are you looking for a different kind of speech therapy app? Check out our full range of speech and language therapy apps for adults and children on the AppStore or on our website.
Screenshots
Verdict
The clearest difference is in-app purchases: Keywords Understanding Lite at none against Lexico Articulation's 10. Keywords Understanding Lite also leads on device support (3 vs 1). Lexico Articulation's advantage is update cadence (every 16 months vs every 68 months) and iOS requirement (9.0 vs 15.0). On price and ads 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. Lexico Articulation sells 10 one-off in-app purchases. Keywords Understanding Lite asks for nothing beyond the download.
Lexico Articulation ships an update every 16 months, Keywords Understanding Lite every 68 months. The most recent releases landed on September 14, 2026 and August 12, 2026 respectively.
| Parameter | Lexico Articulation | Keywords Understanding Lite |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 16 months — better | Every 68 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 174 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Pappy GmbH | Aptus Speech and Language Therapy Limited |
In-app purchases
Lexico Articulation
- TH-SOUND$0.99
- NG-SOUND$1.99
- CH-SOUND$2.99
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- F-SOUND$3.99
- SH-SOUND$3.99
- K-SOUND$3.99
- S-SOUND$3.99
- P-SOUND$3.99
- R-SOUND$5.99
- ALL-SOUND$69.99
Keywords Understanding Lite
No in-app purchases
Questions
Is Lexico Articulation free?
Is Keywords Understanding Lite free?
Do Lexico Articulation or Keywords Understanding Lite have ads?
Which is updated more often, Lexico Articulation or Keywords Understanding Lite?
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