German Grammar in Use app for iPhone and iPad

Grammar is often the boring part of learning a language – we have to learn rules that are so different from the ones in our native language.
With these explanations, we hope to make the grammar of German a little less intimidating! Here we explain all the important rules in a brief and straight-forward way. The provided exercises give you the opportunity to immediately practise what you’ve learned so you can remember it better.

There are grammar topics below in app:
+Overview of the Tenses
+Present Tense
+Present Perfect
+Simple Past
+Past Perfect
+Future
+Future Perfect
+Irregular Verbs
+sein/haben
+Participles
+Modal Verbs
+Reflexive Verbs
+Separable Verbs
+Passive
+Imperative
+Subjunctive I
+Subjunctive II
+Gender
+Articles
+Plurals
+Declension
+Nominative
+Accusative
+Dative
+Genitive
+Personal Pronouns
+Possessive Pronouns
+Reflexive Pronouns
+Relative Pronouns
+Interrogative Pronouns
+Demonstrative Pronouns
+Indefinite Pronouns
+Declension
+Nominative
+Accusative
+Dative
+Genitive
+Types
+Formation
+Declension
+Comparative Forms
+Nominative
+Accusative
+Dative
+Genitive
+Genitive/Dative/Accusative
+Types
+Location and Comparative
+Types
+Cases
+Main Clauses
+Negation
+Questions
+Dependent Clauses
+Conjunctions
+Indirect Questions
+Infinitive Clauses
+Participle Clauses
+Relative Clauses
+Conditional Clauses
+Indirect Speech