Comparison

Grammatisch vs RUB Bib

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

Head to head
About

Grammatisch

Master German grammar with thousands of interactive exercises, clear summaries, and tables. Learn at your own pace without leveling tests, focusing on specific topics. Get detailed feedback on your answers to solidify your understanding.

Highlights
  • Thousands of grammar exercises
  • Topic-based learning
  • Detailed answer corrections
  • Offline access
  • Grammar summaries and tables
  • Progress tracking
Features
Read full description

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.

About

RUB Bib

Manage your library account, including loans and reservations. Access course offerings, search the online catalog, and stay updated on library news. Authenticate for services and view visitor capacity.

Highlights
  • Manage library loans and reservations
  • Extend loans
  • View accrued fees
  • Browse and book library courses
  • Search university online catalog
  • Submit literature acquisition requests
  • View visitor capacity and library news
Features
Read full description

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. With the RUB Bib app you also always have a complete overview of your library account. You can view your loans and - if possible - extend them. You can also manage your reservations in the app and view any accrued fees. With the RUB-Bib-App you also have the entire range of courses and events offered by the university library with you anytime, anywhere 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 software. In addition, you can search the Ruhr-University's entire online catalog, submit literature acquisition requests, view the current visitor capacity, and access the latest library news at any time.

Screenshots

Grammatisch4 screens
RUB Bib4 screens

Verdict

The call

The clearest difference is review sentiment: Grammatisch at 72% against RUB Bib's 0%. Grammatisch also leads on update cadence (every 8 days vs every 7 months). RUB Bib's advantage is in-app purchases (none vs 5) 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Grammatisch sells 5 in-app purchases, starting at $7.99 per 7 days. RUB Bib asks for nothing beyond the download.

UpkeepUpdate frequency

Grammatisch ships an update every 8 days, RUB Bib every 7 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Grammatisch versus RUB Bib: the parameters behind the verdict, then further details
ParameterGrammatischRUB Bib
PriceFreeFree
Rating4.7 (723 ratings) — better—
Positive reviews71.7% of reviews — better0.0% of reviews
Number of ratings723 — better—
Update frequencyEvery 8 days — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size86 MB39 MB
Age rating4+4+
DeveloperKonsonant Ensino Digital de Idiomas LtdaRuhr-Universitaet Bochum

Customer experience

Grammatisch

All ratings723 ratings
Positive93.4%
Neutral2.8%
Negative3.9%
Written reviews258 reviews
Positive71.7%
Neutral8.5%
Negative19.8%

RUB Bib

Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

5 purchases

Grammatisch

Subscriptions5
  • Grammatisch Plus$7.997 Days
  • Grammatisch Plus7 Days trial$14.991 Month
  • Grammatisch Plus$33.993 Months
Show 2 more
  • Grammatisch Plus7 Days trial$45.996 Months
  • Grammatisch Plus7 Days trial$89.991 Year
None

RUB Bib

No in-app purchases

Questions

Is Grammatisch free?
Grammatisch is free to download, with in-app purchases available.
Is RUB Bib free?
RUB Bib is free to download, with no in-app purchases.
Do Grammatisch or RUB Bib have ads?
Grammatisch shows ads; RUB Bib does not.
Which is updated more often, Grammatisch or RUB Bib?
Grammatisch ships an update every 8 days, and RUB Bib every 7 months. Most recently, Grammatisch was updated on November 13, 2026 and RUB Bib on November 7, 2026.

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