Just vs Klar Speak
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Just
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βJUST DOβ is the best repetition learning tool for all speaking practice and memorizing. Speaking practice should come first for learning languages and memorizing text. βJUST DOβ is a learning service to help learners practice speaking and memorizing by following along with an AI voice. Practice speaking in various languages from around the world. Speaking practice is not limited to language learning. It can be used for everything you need to memorize. This app can be used to help you : β’ learn languages β’ practice speaking for presentations β’ memorize a script β’ memorize anything important like economic terms, medical terms, etc. You can create your own content to practice with in any language. Are you a student or a teacher? It doesnβt matter. You can create own your groups anytime! This is a really helpful feature especially for teachers, parents and tutors. You can create groups for various subjects and study with members and see their learning progress. Not only can you download the content that you need but you can also create your own group and share your content exclusively with your group members. Every user can make their own collection of sentences or vocabulary lists to study which can be shared with your friends. The best way to maximize efficiency when studying is to focus on exactly what you need. Maximize your efficiency by only focusing on what you need. JUST DO FEATURES - Listen and Follow along (Explanation or Dialogue) settings - Flashcards for vocabulary - Set Goals - Study alone or with a group - Teacherβs or parent can see effort track - Create and Download content - Create and customize your groups homepage You will need a subscription in order to get full access to all features. If you choose to purchase 'just do the more.', payment will be charged to your Apple account. Your monthly subscription will be renewed automatically unless cancelled at lease 24 hours before the end of the current period. Manage your subscriptions in your Account Settings after purchase. Terms of Service : https://justdo3000.com/terms Privacy Policy : https://justdo3000.com/privacy
Klar Speak
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Most language apps have you tapping multiple-choice answers. Klar has you talking. Klar is a voice-first language tutor. You practice out loud in a real spoken conversation with an AI tutor that explains a word, gives examples, asks you to use it in your own sentence, and listens to your reply β all by voice. It's the closest thing to a patient one-on-one teacher in your pocket. LEARN BY SPEAKING, FROM DAY ONE Speaking is the hardest skill to build and the one most apps avoid. Klar is built around it. Start a session and you're talking within seconds. BUILD YOUR OWN WORD LIST You add the words you actually want to learn. Klar cleans them up automatically β translating, fixing the article and spelling, checking the meaning β so every entry is correct. The tutor then teaches those exact words and tracks each one from New to Learning to Learned. MEETS YOU AT YOUR LEVEL Set your level on the CEFR scale (A1βC2) and the tutor calibrates how fast and how richly it speaks. Beginners get slower, simpler language with an English hint when stuck; advanced learners get more demanding material. Change it any time, even mid-session. FOUR LANGUAGES, EACH ITS OWN Learn German, Spanish, French, or Dutch β each with its own native-sounding voice and its own separate word list, so nothing mixes together. MADE FOR REAL LIFE - Hands-free mode for practicing while walking or commuting - Adjustable tutor speed (Neutral, Slow, Very slow) - A curated Word of the Day pitched to your level - Light and dark themes - Your settings follow you across every device you sign in on PRIVATE BY DESIGN No ads. No data selling. No advertising trackers β so iOS never even shows you a tracking prompt. You can delete your account and all your data any time, right from the app. HONEST ABOUT AI The tutor is powered by AI and can occasionally be wrong β and Klar tells you so openly, right on the practice screen. PRICING Everyone gets 10 free practice minutes every 30 days. Klar Pro is $11.99/month for 200 minutes of tutor practice. Subscribers who want more can add a 100-minute top-up for $4.99. Start with your first word today. β Klar Pro is an auto-renewing subscription. Payment is charged to your Apple ID and renews automatically unless cancelled at least 24 hours before the period ends. Manage or cancel in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/appstore/dev/stdeula/ Privacy Policy: https://klarspeak.com/privacy Terms of Service: https://klarspeak.com/terms
Screenshots
Verdict
The clearest difference is ads: Klar Speak at none against Just's shown. Just's advantage is update cadence (weekly vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Just sells 1 in-app purchase, starting at $3.99 per month and Klar Speak sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.
Just ships an update weekly, Klar Speak every 6 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | Just | Klar Speak |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly β better | Every 6 weeks |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 13.0 β better | 16.0 |
| Further details β not scored | ||
| Size | 65 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Hong Gyu Kim | Ali Taqizadeh Gevari |
In-app purchases
Just
- JUST DO βThe more.β$3.991 Month
Klar Speak
- Klar Pro$11.991 Month
- 100 Minutes$4.99









