Lexico Kasus vs PreNumbers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lexico Kasus
This app helps users practice German grammar, specifically focusing on noun cases. It offers interactive exercises with visual, textual, or audio prompts, covering a wide range of topics. Results can be tracked and shared, making it useful for therapy, language learning, and home practice.
- Practice German noun cases
- Interactive exercises with W-questions
- Visual, text, or audio prompts
- 480 questions across 9 themes
- Logbook for tracking results
- Developed with speech therapists and educators
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Mit Lexico Kasus wird die Fallbildung in der deutschen Sprache intensiv gefördert : W-Fragen (Wer, was, wem, wo, wen, wohin) werden im korrekten Kasus beantwortet. Selektion von Bild, Text oder oder Ton zur Darstellung von Fragen und Antworten 480 Fragen und Antworten in 9 Themenbereichen Einsatzbereich: - Bei der logopädischen Therapie mit Kindern - Im Sprachunterricht (Deutsch als Zweitsprache) - Zum Üben zuhause Im Logbuch können Übungsresultate gespeichert, protokolliert, kommentiert und verschickt werden. Lexico Kasus wurde mit erfahrenen Fachpersonen aus Sprachtherapie und Pädagogik konzipiert und entwickelt. In Lexico Kasus Free ist das Übungsthema “Tier-Fressen” enthalten. Die anderen Themen sind kostenpflichtig und können mit einem in-App Kauf freigeschaltet werden.
PreNumbers
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PreNumbers is an application that provides basic pre-numeric skills. PreNumbers for iPad is available in 2 versions: - PreNumbers: Only a limited number of exercises can be used. An In-App Purchase is required to use all exercises. - PreNumbers PRO: All exercises can be used without limitation. Pre-numeric skills include: Sorting things by specific characteristics Dividing things into classes with specific characteristics Recognize and distinguish shapes Quantify and compare quantities Detect seriality (recognize logical sequences and continue) Recognize symmetries and patterns The application offers exercises for different skills in multiple difficulty levels. A simple presentation (forest theme) supports concentration on the essentials. A childlike design was avoided, to make the app appealing also for older children and adolescents. Completed exercises are recorded by the application to document the learning progress. To enable the use of this application with several people, a user manager is offered. Individual settings and results will be saved and can be loaded quickly. The exercises can be operated by alternative input devices such as external switches. Objectives: Train pre-numeric skills Playing Areas of application: Pre-school children Children and adults with learning disabilities
Verdict
The clearest difference is update cadence: Lexico Kasus at every 2 months against PreNumbers's every 8 months. PreNumbers's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases 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. Lexico Kasus sells 1 one-off in-app purchase and PreNumbers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Lexico Kasus ships an update every 2 months, PreNumbers every 8 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | Lexico Kasus | PreNumbers |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPad | iPad |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 54 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Pappy GmbH | IntegraTools GmbH |
In-app purchases
Lexico Kasus
- unlock all levels$24.99
PreNumbers
- All exercises$44.99
Questions
Is Lexico Kasus free?
Is PreNumbers free?
Do Lexico Kasus or PreNumbers have ads?
Which is updated more often, Lexico Kasus or PreNumbers?
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