Interslavic Flashcards vs Sugu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interslavic Flashcards
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This app helps you study the Interslavic language with flashcards and spaced repetition. • Learn Interslavic vocabulary step by step with a proven spaced-repetition system • Practice in several modes: guess-the-translation and fill-in-the-blank games • Look up any word in the built-in Interslavic dictionary with fast search • Type Interslavic anywhere with the included Interslavic QWERTY keyboard: special letters č, š, ž, ě via long-press and smart, typo-tolerant word suggestions from the dictionary • Track your progress and revisit your mistakes or already-mastered cards anytime • Create your own flashcard lists for personalized learning • Study comfortably day or night with light and dark themes • Keep your progress safe with backup and restore • Perfect for daily practice in short sessions • Supported languages: Belarusian, Bulgarian, Croatian, Czech, Dutch, English, Macedonian, Polish, Russian, Serbian, Slovak, Slovene, Ukrainian Who is this app for? • Learners of Slavic languages who want a simple way to understand multiple languages at once • People interested in Interslavic as a neutral, cross-Slavic communication tool • Students and linguistics enthusiasts who want to build their own flashcards and study effectively Načne izučati Medžuslovjansky dnes!
Sugu
Master new languages with engaging 5-minute games, hand-drawn illustrations, and smart spaced repetition. Build vocabulary fast and remember it with practical words, regional pronunciation, and grammar insights.
- 5-minute game sessions
- Hand-drawn illustrations
- Clear pronunciation audio
- Smart spaced repetition
- Regional vocabulary and pronunciation
- Hands-free audio mode
- Grammar exploration
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Turn spare minutes into vocabulary that sticks. Sugu combines fun 5-minute games, hand-drawn illustrations, clear pronunciation audio, and smart spaced repetition to help you build vocabulary fast and remember it. Whether you’re starting a new language or picking one back up, Sugu gives you the practical words and phrases you need to speak with confidence. LANGUAGES AVAILABLE • Spanish (Mexico, Argentina, Spain) • French • Serbian • Croatian • Catalan • English (USA, UK) Italian, Portuguese, and more are on the way! WHY SUGU WORKS • Learn through play: 5-minute game sessions make it easy to build a daily learning habit. • Visual association: Explore more than 1,000 practical words and phrases in each language, with memorable illustrations that connect each word with its meaning. • Regional vocabulary and pronunciation: Learn the words people use and how they say them, with vocabulary and audio tailored to the region you choose. • Smart spaced repetition: Sugu brings words back for review based on your progress, helping you strengthen tricky vocabulary and remember what you’ve learned. • Hands-free audio mode: Practice on the go. Review your vocabulary while walking, exercising, or commuting. • Go deeper with grammar: Explore verb conjugations, gender, case tables, and usage notes that help you understand how words work. • Choose what matters to you: Jump into the topics most useful to you and learn at your own pace. • See your progress: Track what you’ve learned in each language and watch your vocabulary grow. • Beautiful by design: Thoughtful details make learning a pleasure. COMPLEMENTS YOUR STUDIES Learning with a teacher or using another language app? Sugu fits alongside your studies, helping you build the vocabulary foundation to get more out of lessons and everyday conversations. FREE TO USE Sugu is currently free to use, with no subscriptions or paywalls. Optional subscriptions are planned for the future, and a free version will remain available. Pick a topic, play for five minutes, and make a few new words your own. Questions or feedback? Reach out at hello@sugu.now
Screenshots
Verdict
The clearest difference is device support: Interslavic Flashcards at 3 against Sugu's 1. Interslavic Flashcards also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Interslavic Flashcards ships an update every 4 days, Sugu every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Interslavic Flashcards | Sugu |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (11 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 77 MB | 266 MB |
| Age rating | 4+ | 12+ |
| Developer | Anatolii Utkin | Zdravo, LLC |
In-app purchases
Interslavic Flashcards
No in-app purchases
Sugu
No in-app purchases









