Grammatisch vs RUB Bib
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grammatisch
Master German grammar with interactive lessons and thousands of exercises. Covers essential topics like articles, verb conjugation, and declensions. Practice and review concepts with detailed corrections to improve your understanding.
- Thousands of grammar exercises
- Summaries, tables, and lists
- Topic-based learning
- Detailed answer corrections
- Offline access
- Covers numerous grammar topics
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Learn German for real with Grammatisch. The app has thousands of exercises as well as summaries, tables and lists for the key topics of the German grammar. You don’t need to take leveling tests, just pick any topic and start learning it. You can solve dozens of exercises in a row to memorize concepts and grammar rules in a short time. When you finish an exercises session, you can check your score and a detailed correction of your answers. The following topics are covered: • Bestimmter Artikel • Pluralform • Personalpronomen • Verbkonjugation - Präsens • Possessivpronomen • Reflexive Verben • Nominativ • Akkusativ • Dativ • Präpositionen • N-Deklination • Relativsätze • Trennbare Verben • Perfekt • Adjektivdeklination • Passiv • Verben mit Präpositionen • Konjunktiv II • Nominalisierung …and many more coming in the next updates! This app does not require an internet connection to work.
RUB Bib
Manage your university library account seamlessly. Authenticate for borrowing, payments, and services, and keep track of loans, fees, and reservations. Access and book university library courses and events directly from your device.
- Digital library card
- Borrow media
- Manage loans and fees
- Handle reservations
- View courses and events
- Book library courses
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With the app of the Ruhr-University library you can organize your everyday library life. It completely replaces your previous library card. You can use the app to authenticate yourself at the self-checkout machines or at the service counters in order to borrow media or use other services. If you have to pay a fee, you will also need the app to authenticate yourself at the automatic pay station. With the RUB Bib app you always have a complete overview of your library account. You can view your loans, as well as all fees incurred. You can also manage your reservations in the app. With the RUB-Bib-App you also have the entire range of courses and events offered by the University Library with you at all times and everywhere and you can book courses on various topics, such as compact basic courses on the university library, research training or introductory courses for various literature management programs.
Screenshots
Verdict
The clearest difference is review sentiment: Grammatisch at 72% against RUB Bib's 0%. Grammatisch also leads on update cadence (fortnightly vs every 7 months). RUB Bib's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price 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. Grammatisch sells 6 in-app purchases, starting at $7.99 per 7 days. RUB Bib asks for nothing beyond the download.
Grammatisch ships an update fortnightly, RUB Bib every 7 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.
| Parameter | Grammatisch | RUB Bib |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (722 ratings) — better | — |
| Positive reviews | 71.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 722 — better | — |
| Update frequency | Fortnightly — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 83 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Konsonant Ensino Digital de Idiomas Ltda | Ruhr-Universitaet Bochum |
Customer experience
Grammatisch
RUB Bib
Bugs and requests
Grammatisch
Reported bugs
5 issues- Exercises not registering correct answers
- App crashing after completing lessons
- Audio not working on certain devices
- Incorrect grammar explanations in some lessons
- Overlapping UI elements making content hard to read
Requested features
5 requests- Provide more example sentences
- Add translation for exercises
- Implement spaced repetition for better retention
- Expand content to higher proficiency levels
- Improve audio quality and pronunciation guidance
RUB Bib
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Grammatisch
- Grammatisch Plus$7.997 Days
- Grammatisch Plus7 Days trial$14.991 Month
- Grammatisch Plus$33.993 Months
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- Grammatisch Plus7 Days trial$45.996 Months
- Grammatisch Plus7 Days trial$89.991 Year
- Grammatisch Plus$89.99
RUB Bib
No in-app purchases
Questions
Is Grammatisch free?
Is RUB Bib free?
Do Grammatisch or RUB Bib have ads?
Which is updated more often, Grammatisch or RUB Bib?
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