DE Flow
Learn German Through Sound
Free · In-App Purchases · Designed for iPad
Learn German like you've never heard it before. DE Flow turns grammar into sound — with a real-time synthesizer engine inspired by the Berlin School of electronic music.
DE Flow makes German come alive — as sound. Built for A1 learners, the app transforms word order, verb conjugation, and grammatical gender into an audiovisual experience powered by a real-time synthesizer engine.
SYNTAX SEQUENCE
Build German sentences by dragging word blocks into a sequencer strip. Correct sentences play as consonant melodies; mistakes trigger dissonance — tritone shifts, microtonal jitter, noise bursts. You hear the error before you read the explanation.
INTELLIGENT FEEDBACK
The Interference Radar detects errors rooted in your native language (English or Traditional Chinese) and shows targeted contrastive tips. Word order mistakes get dynamic, context-specific feedback: the app names the exact words you misplaced and explains the rule with your own sentence.
GENUS COLOR SYSTEM
Every noun is color-coded by grammatical gender — Electric Blue (der), Neon Pink (die), Radioactive Green (das) — reinforced by distinct synth tones so you learn gender through both sight and sound.
AMBIENT LEARNING
Four generative ambient tracks in the tradition of Berlin School electronic music accompany your study sessions — warm pads, slow arpeggios, and pulsing bass layers that keep you focused without distraction.
THREE SPEECH MODES
Choose how vocabulary is spoken: Standard (clear TTS), Analog-Signal (genus tone + warm-filtered speech + echo cascade), or Synthwave-Echo (clear voice + filtered delay).
NERD MODE
A retro control console with ~34 tweakable parameters: filter cutoffs, ADSR envelopes, mix levels, speech processing — all visualized through rotary knobs, faders, and VU meters. Hit RND to generate random settings and hear the result instantly. Reset to curated defaults at any time.
WHAT'S INSIDE
- 3 free lessons to get started — unlock all 15 with a single purchase
- Syntax exercises, vocabulary cards, grammar explanations
- Composita Builder with English language parallels (handbag = hand + bag ↔ die Handtasche)
- XP system, learning streaks, mastery tracking
- All features included free: speech modes, ambient music, nerd mode
- No internet required — fully offline
- No ads, no tracking
Designed for Taiwanese learners studying German for university or work in the DACH region — but welcoming to anyone who wants to experience language learning differently.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
The developer, Manfred Sablotny, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 7.4 MB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English and Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- DE Flow Premium 24,99 zł
- Provider
Manfred Sablotny
- Manfred Sablotny has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © 2026 Manfred Sablotny
