For learners who want to learn German from a textbook, Einlang is the strongest pick - it maps directly to your chapters rather than running a parallel curriculum alongside them.
Most app comparisons ignore the textbook learner entirely. They rank apps on how fast they get a beginner to A1, or how many minutes of daily use they generate. Neither metric helps someone who already has a textbook and wants an app that reinforces it chapter by chapter, not one that replaces it with a different syllabus.
What Makes an App Good for Textbook German Learners
The criteria shift when you are working from a textbook. Four things matter more than star ratings or download counts.
Chapter alignment. Your textbook introduces vocabulary and grammar in a specific order. Lesson 3 might cover separable verbs before Lesson 7 covers modal verbs. An app that ignores that order and drills generic A1 vocabulary creates two separate tracks to maintain instead of one reinforced one.
Spaced repetition built in. Rereading chapter vocabulary lists is one of the least effective ways to retain words. The research on spaced repetition is consistent: reviews need to be scheduled at expanding intervals, not at uniform frequency. An app that handles this scheduling automatically is worth more than one that leaves it to you.
Context-sensitive practice. A verb introduced in a specific conjugated form in Chapter 4 should be practiced in that form, not stripped back to an infinitive in isolation. Grammar context matters from the first exposure.
Low setup friction. If entering new words takes longer than reviewing them, the app will not last past week two. The overhead should be minimal enough to do immediately after a study session, not as a separate task you plan to get to later.
The core problem for textbook learners: most apps run their own syllabus. You end up maintaining the app's German and your textbook's German at the same time - two parallel curricula instead of one well-reinforced one.
Apps for Learning German from a Textbook
Anki is the strongest pure spaced repetition engine available. You build decks manually from your textbook material, which gives full control over what gets reviewed and when. The algorithm is well-calibrated and battle-tested. The downside is setup cost: every card has to be created, formatted, and added by hand. For learners who find card creation useful as a study step in itself, this is a feature. For learners who want to spend their time studying rather than producing study materials, the friction compounds quickly over a long textbook.
Duolingo is best for building a daily habit before you have any German at all. Its gamified structure and short sessions help with consistency in the first few weeks. What it does not do is follow your textbook. If you are on Chapter 6 of Menschen A1, Duolingo is running its own skill tree with no reference to your chapter order. The overlap is partial and unpredictable, which is a problem if your goal is reinforcement rather than a second course. See the Duolingo vs textbook comparison for a detailed breakdown of where each one wins.
Babbel is better than Duolingo for grammar. It includes structured grammar explanations, and the course logic is more deliberate for adult learners. But Babbel also runs its own curriculum, independent of any textbook. It is a better standalone German course than Duolingo, not a better companion to a textbook you are already using.
LingQ is a strong tool for intermediate and advanced learners who want to mine vocabulary from authentic texts - importing sentences, tracking unknown words, and building comprehension through extensive reading. For A1 or A2 textbook learners, the approach is backwards. The workflow is designed around reading volume at a level you likely have not reached yet, not around chapter-by-chapter reinforcement.
Where Einlang Fits
Learners who are already working through a German textbook chapter by chapter - and who approach study as a deliberate process rather than something that just happens - tend to find that Einlang fits how they already work. The app that follows your book beats the app with the most features.
You import material from your chapter, and Einlang handles spaced repetition scheduling from there. Reviews surface the words your chapter introduced, in the grammatical context they were introduced in. There is no separate curriculum to maintain alongside your textbook.
Einlang is not a standalone German course. It assumes your textbook is doing the teaching. Its role is retention and review, scoped to what you are actually studying. For a walkthrough of how to structure the full study routine around this, see how to self-study German from a textbook.
How to Choose
The right pick depends on what problem you are actually solving.
- To learn German without a textbook: Babbel or Duolingo are reasonable starting points depending on how much grammar depth you need.
- To build your own card decks with full control: Anki is unmatched.
- To mine vocabulary from native texts at B1 or above: LingQ is the right tool.
- To reinforce a German textbook chapter by chapter without a second curriculum: Einlang.
The best app for learning German from a textbook is not the same as the best German app. The narrow qualifier is the whole point.