Syno vs KarlLang
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Syno
Create flashcards with translations, transcriptions, and usage examples. Learn pronunciation, group words into dictionaries, and share them with friends. Track your progress and test your knowledge.
- Create flashcards
- Add translations, transcriptions, and examples
- Learn pronunciation
- Group cards into dictionaries
- Share dictionaries with friends
- Test vocabulary knowledge
- Track learning progress
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— Создавайте Карточки — Наполняйте их Переводами: с транскрипцией, комментарием и примером использования — Для многих английских слов транскрипция заполняется автоматически — Учите произношение Слов — Группируйте Карточки в Словари — Делитесь Словарями с друзьями(нужен доступ к сети Интернет) — Учите слова из Словаря в специальном режиме — Проходите тестирование по Словарям — Следите за своим прогрессом в изучении слов в Словарях — Создавайте копию Ваших Словарей, чтобы не потерять их при смене телефона или удалении приложения
KarlLang
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KarlLang is a typing-first vocabulary trainer for adult learners. Instead of tapping multiple choice options, you type every answer yourself. This helps build real recall, not just passive recognition. Learn across multiple languages including German, Japanese, Chinese, Spanish, French, and more. Features: • Typing, copy, card, cram, and Word Drop training modes • Spaced repetition (SRS) review system • Typing hints and focused repetition training • Difficult word and bookmark review • Shareable learning summary cards • CEFR-based vocabulary (A1–B2) KarlLang is designed for learners who want to actively train memory and build real output skills through typing and repetition.
Screenshots
Verdict
The clearest difference is iOS requirement: Syno at 13.0 against KarlLang's 15.0. 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.
| Parameter | Syno | KarlLang |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Kristian Benua | Sung Chul Park |
In-app purchases
Syno
No in-app purchases
KarlLang
No in-app purchases









