Comparison

Lexico Cognition Pro vs Keyword Understanding

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

Head to head
About

Lexico Cognition Pro

Features
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Lexico Cognition helps to develop language understanding, vocabulary building, cognitive and memory skills in a playful way. 30 games contain 360 question and answers in a variety of themes : pairs, relations, activity, descriptions, positions and opposites. Application: - speech therapy for children without reading skills - reading exercises - language teaching (English as a second language) - Independent practice for adults with speech disorders. Lexico apps are developed by experienced speech-language professionals. Lexico Cognition is also available in these languages : Spanish (Lexico Cognitión), Portuguese (Lexico Compreender), French (Lexico Comprendre), German (Lexico Verstehen), Italian (Lexico Comprensione), Dutch (Lexico Cognitie) and Arabic (Lexico الفهم اللغوي)

About

Keyword Understanding

This app helps users of all ages improve their ability to understand spoken and written directions. It features various activities targeting vocabulary, basic concepts, and sequential instructions, making it beneficial for individuals with listening comprehension or processing difficulties.

Highlights
  • Follow spoken and written directions
  • Improve vocabulary and basic concepts
  • Target auditory attention and working memory
  • Activities for one and two-step directions
  • Temporal and sequential direction practice
  • Comprehension check for vocabulary and concepts
Features
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“This app is great for children with processing difficulties which need to improve their ability to follow directions with a variety of embedded concepts.” ~ Smart Speech Therapy blog “Every child I have used it with has been very engaged by the lovely, brightly-colored pictures, and has quite happily kept on listening and following the instructions.” ~ Speech Blog UK “It can be used for informal assessments, language therapy and home practice. It can also be used to target auditory attention and working memory for cognitive-communication goals.” ~ Speaking of Apps blog Keyword Understanding is a professional speech and language therapy app that targets the ability to understand sentences and follow spoken and written directions of increasing difficulty. Children and adults are asked to follow directions in their everyday lives. In order to follow directions, the child or adult requires a strong knowledge of vocabulary, basic concepts and the ability to process and retain the information they have listened to or read. WHO IS KEYWORD UNDERSTANDING FOR? - Parents - Teachers - Speech language pathologists / Speech and language therapists - Children with reduced attention and listening comprehension or auditory processing difficulties  - Children with receptive language delay, developmental language delay or autism - Adults with mild to moderate aphasia due to stroke or traumatic brain injury - Adults with cognitive-communication difficulties due to stroke or traumatic brain injury  WHAT COMPREHENSION ACTIVITIES ARE INCLUDED IN KEYWORD UNDERSTANDING? Comprehension Check: This activity helps you identify where comprehension breaks down. It checks the understanding of individual vocabulary items, and the basic concepts of size and color. Object, Size & Color: This activity works on the understanding of the basic concepts of size and color as well as the ability to follow one and two-step directions of increasing difficulty. 2 keyword level: Touch the green car 3 keyword level: Touch the big red mug 4 keyword level: Touch the green vase and the yellow cushion 6 keyword level: Touch the small pink gloves and the big blue comb Before & After: This activity works on the ability to understand and follow temporal directions (directions which include the concepts before/after in a variety of positions in the sentence). “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”. First & Then: This activity works on the ability to understand and follow sequential directions (directions which include the concepts first/then in the sentence). “First touch the ladder, then touch the bike”.  WHAT LANGUAGE & COGNITIVE SKILLS DOES KEYWORD UNDERSTANDING TARGET? - Vocabulary - Listening / Auditory Comprehension - Reading Comprehension - Working Memory - Attention to Detail - Language Processing - Basic Concepts / Adjectives (size, color) - Temporal Directions (Before/After) - Sequential Directions (First… Then)  FEATURES 3 modes: - Listening/ Auditory Only: Match the spoken direction to the picture(s) - Reading Only: Match the written direction to the picture(s) - Listening and Reading: Match the spoken and written directions to the picture(s) Keyword Understanding lets you: - Choose from a variety of vocabulary items in different sizes and five different colors allowing for thousands of following directions tasks - Follow directions of increasing difficulty and length - Add individual user profiles - Automatically track correct and incorrect responses of each user - Email a detailed result summary after a session or at a later date - Receive audio feedback for correct answers only, incorrect answers only or both All Aptus Speech Therapy apps participate in the 50% off Volume Purchase Program.  Visit our website for more details about our other speech and language therapy apps.

Screenshots

Keyword Understanding4 screens

Verdict

The call

The clearest difference is price: Keyword Understanding at $17.99 against Lexico Cognition Pro's $24.99. Keyword Understanding also leads on device support (3 vs 1). On update cadence, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Lexico Cognition Pro costs $24.99 and Keyword Understanding $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lexico Cognition Pro ships an update every 11 months, Keyword Understanding every 10 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 8 level
Lexico Cognition Pro versus Keyword Understanding: the parameters behind the verdict, then further details
ParameterLexico Cognition ProKeyword Understanding
Price$24.99$17.99 — better
Rating—5.0 (3 ratings) — better
Positive reviews—25.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 11 monthsEvery 10 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size101 MB64 MB
Age rating4+4+
DeveloperPappy GmbHAptus Speech and Language Therapy Limited

In-app purchases

None

Lexico Cognition Pro

No in-app purchases

None

Keyword Understanding

No in-app purchases

Questions

Is Lexico Cognition Pro free?
Lexico Cognition Pro costs $24.99, with no in-app purchases.
Is Keyword Understanding free?
Keyword Understanding costs $17.99, with no in-app purchases.
Do Lexico Cognition Pro or Keyword Understanding have ads?
Neither Lexico Cognition Pro nor Keyword Understanding shows ads.
Which is updated more often, Lexico Cognition Pro or Keyword Understanding?
Lexico Cognition Pro ships an update every 11 months, and Keyword Understanding every 10 months. Most recently, Lexico Cognition Pro was updated on November 1, 2026 and Keyword Understanding on October 29, 2026.

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