Comparison

Just German vs Rapid Language

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

Head to head
About

Just German

Features
Read full description

It is time to learn seriously! Just German does not bother you with the same easy stuff over and over again. Concentrate on the things you still need to practice. No time wasted on things you already know. Just German is a Flash Cards app with thousands of high-quality flash cards that let you learn the German language bit by bit. * The only flashcards app with flashcards - with other apps, you need to create your own cards. * Very fast learning - just swipe the card "Tinder style" to get to the next card. * Word cards for every topic you can think of. * Sentence cards to practice the language in context. * Based on scientifically proven learning methodologies (Spaced Repetition, Leitner system). * Apple Watch companion app - learn German on the go, without looking at a device (Beta). * Dictionary: look up a word and add it to your learning queue immediately. * Detailed information about words and sentences. End-User License Agreement (EULA): https://just-german.app/docs/legal/eula?help

About

Rapid Language

Features
Read full description

Rapid Language is a powerful, fully offline language-learning app designed to make mastering 61 languages fast, fun, and highly competitive. Whether you are a beginner or an advanced learner, Rapid Language gives you all the tools you need—without ever requiring an internet connection. GAMIFIED & SOCIAL LEARNING Real-Time 1v1 Duels: Challenge friends or battle other players in live, head-to-head language matches. Clubs & Friends: Form Clubs, complete challenges together, and earn exclusive rewards. Combo System & Shop: Answer fast to build your Combo meter and boost your Gold multiplier! Spend your Gold in the massive in-app Shop on learning buffs, streak protection, and epic character skins. Adaptive Difficulty: Jump into Easy, Medium, or Hard tracks to perfectly match your current skill level. LIMITLESS OFFLINE AI On-Device AI Teacher: Practice speaking through dynamic AI conversations anywhere, anytime. Zero lag, zero internet required, and absolutely no token limits. Live Offline Translator: Instantly translate real-time speech straight into your headphones, perfect for traveling. MASSIVE CONTENT LIBRARY Dual-Language Audiobooks: Immerse yourself in a library of around 200 audiobooks to perfect your listening and reading comprehension. Daily Rapid Rush: Test your brain and keep your skills sharp with daily word puzzles. Core Fundamentals: Master your chosen language with flashcards, grammar rules, verb conjugation, sentence structure training, and scripted dialogues. LEARN 61 LANGUAGES (100% OFFLINE): Polish, English, Spanish, German, Italian, French, Russian, Thai, Chinese, Arabic, Dutch, Indonesian, Czech, Portuguese, Korean, Hindi, Norwegian, Japanese, Swedish, Danish, Turkish, Vietnamese, Malay, Filipino, Estonian, Bengali, Khmer, Urdu, Swahili, Hebrew, Greek, Hungarian, Romanian, Slovak, Bulgarian, Finnish, Icelandic, Latvian, Ukrainian, Serbian, Latin, Croatian, Karelian, Lithuanian, Slovenian, Albanian, Catalan, Georgian, Armenian, Persian, Kazakh, Uzbek, Amharic, Hausa, Yoruba, Zulu, Tamil, Telugu, Burmese, Sinhala, Mongolian. No paywalls. Rapid Language is built for self-learners, travelers, and anyone ready to take their skills to the next level. (Optional donations are available to support the creator).

Screenshots

Just German4 screens
Rapid Language4 screens

Verdict

The call

The clearest difference is in-app purchases: Rapid Language at none against Just German's 2. On price, update cadence, ads 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. Just German sells 2 in-app purchases, starting at $4.99 per month. Rapid Language asks for nothing beyond the download.

UpkeepUpdate frequency

Just German ships an update every 3 weeks, Rapid Language every 2 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 5 level
Just German versus Rapid Language: the parameters behind the verdict, then further details
ParameterJust GermanRapid Language
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.415.5 — better
Further details — not scored
Size102 MB197 MB
Age rating4+4+
DeveloperYolp Softwaredesign GmbHBartomiej Zukiewicz

In-app purchases

2 purchases

Just German

Subscriptions2
  • Just German Premium7 Days trial$4.991 Month
  • Just German Premium1 Year trial$49.991 Year
None

Rapid Language

No in-app purchases

Questions

Is Just German free?
Just German is free to download, with in-app purchases available.
Is Rapid Language free?
Rapid Language is free to download, with no in-app purchases.
Do Just German or Rapid Language have ads?
Neither Just German nor Rapid Language shows ads.
Which is updated more often, Just German or Rapid Language?
Just German ships an update every 3 weeks, and Rapid Language every 2 weeks. Most recently, Just German was updated on October 16, 2026 and Rapid Language on October 24, 2026.

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