Flow vs Testklar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flow
This app offers a personalized language learning experience for intermediate to advanced learners. It uses real-world content like TV shows and podcasts to create engaging lessons tailored to your interests and skill level, helping you achieve fluency faster.
- Personalized learning paths
- Real-world content integration
- Adaptive to skill level
- Progress tracking
- Focus on fluency
- Interest-based learning
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Flow: Your Personalized Language Learning Companion Ready to take your language skills to the next level? Flow is the ultimate language learning app designed for intermediate to advanced learners who want a smarter, more engaging way to achieve fluency. By tapping into a wide variety of real-world content—from popular TV shows and podcasts to news articles and more—Flow creates a personalized learning experience tailored to your interests and skill level. Say goodbye to boring lessons and hello to authentic, immersive language practice! Why Flow? Affordable Learning Solution: Flow uses existing online resources to provide you with high-quality, customized lessons at a fraction of the cost of traditional language courses. Personalized for You: Flow adapts to your goals, proficiency, and learning style, delivering lessons that keep you engaged and motivated. Learn from Real-Life Content: Practice with authentic materials like native-level articles, videos, and podcasts to master how the language is truly spoken and written. Accelerate Your Progress: With Flow, you’ll build confidence and fluency faster by focusing on content that’s meaningful and relevant to you. How It Works: Choose Your Language & Interests: Pick the language you want to learn and topics you’re passionate about. Get Personalized Lessons: Flow curates real-world content tailored to your preferences and skill level. Learn & Grow: Dive into engaging materials and track your progress as you work toward fluency. Who is Flow For? Flow is perfect for intermediate to advanced learners who want to refine their skills, expand their vocabulary, and gain confidence in real-life conversations. Whether you’re learning for work, travel, or personal growth, Flow adapts to your unique needs and goals. Why Settle for Less? Traditional language apps often rely on generic lessons that don’t reflect how people actually speak. With Flow, you’ll practice with authentic, real-world content that helps you connect with the language on a deeper level. Download Flow Today! Join thousands of language enthusiasts who are transforming the way they learn. Download Flow now and unlock your full potential in your target language. Start your journey to fluency today! Terms of Use: https://shorturl.at/JWa08
Testklar
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Would you pass the test today? Testklar shows you – and gets you there, day by day. For the German citizenship test (Einbürgerungstest) and the “Leben in Deutschland” test: 33 questions, 60 minutes, 17 correct answers for citizenship, 15 for the orientation course. SEE HOW READY YOU ARE • 310 squares, one per question: your progress at a glance • Readiness in per cent, based on what you have learned and your mock exams • A countdown to your test date and a daily plan that fits it UNDERSTAND EVERY QUESTION – IN YOUR LANGUAGE • Questions stay in German, just like in the real test • Translation, a short explanation and the key words in English, Turkish, Arabic, Ukrainian, Russian, Persian (Farsi/Dari), Albanian, Romanian, Polish or Vietnamese LEARNING THAT STICKS • Spaced repetition: what you know comes back less often, what you forget comes back sooner • Wrong answers become weak questions until you get them right twice • Search every question, bookmark and practise what you need A MOCK EXAM LIKE THE REAL ONE • 30 general questions and 3 about your federal state • 60-minute timer, mark questions for review, overview • Every mistake explained CALM AND PRIVATE • No ads. No account. No sign-up. • Your progress stays on your iPhone • Works offline • A daily reminder, if you want one FREE AND FULL VERSION Free: practise all 310 questions of your test, 20 questions a day, explanations and translations for the first 60 questions and all questions of your state, one mock exam. Full Version (one-time purchase, no subscription): unlimited practice, explanations and translations for every question, unlimited mock exams. The questions come from the catalogue published by the Federal Office for Migration and Refugees (BAMF), as of 7 May 2025. Wording in the real test can differ slightly. Translations and explanations are written by Testklar. Testklar is independent and not affiliated with the BAMF or any other authority.
Screenshots
Verdict
Flow and Testklar are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Flow sells 2 in-app purchases, starting at $5.99 per month and Testklar sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Flow | Testklar |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Hibberd | Sevim Yilanli |
In-app purchases
Flow
- Monthly Plan7 Days trial$5.991 Month
- Yearly Plan7 Days trial$59.991 Year
Testklar
- Full Version$8.99









