Syllable vs DecoEcho
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Syllable
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Learn like a native speaker.Spanish easy and free without suscriptions. listening, writing, speaking, and reading spanish are easy if you know the structure of Spanish words. You will learn with interactive exercises that facilitates learning.
DecoEcho
This app uses a smart spaced-repetition engine to optimize your study sessions. It adapts to your learning pace, showing you cards you struggle with more often and those you know well less frequently. Focus on learning with its intuitive design and privacy-focused approach.
- Spaced-repetition study engine
- Dating-app style swipe grading
- Type-the-answer study mode
- Two-sided cards with text and images
- Daily and lifetime study statistics
- iCloud sync
- Deck sharing with classmates
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Study smarter without subscriptions, ads, accounts, or tracking. DecoEcho is a private flashcard app that combines adaptive spaced repetition, practice tests, and fast, flexible card creation. Build your own study library for languages, science, medicine, law, history, exams, or anything else you want to remember. FREE STUDY TOOLS • Create unlimited subjects, decks, and flashcards • Add text and images to both sides of a card • Review with adaptive spaced repetition • Choose swipe-to-grade or type-the-answer study • Take practice tests with true/false, multiple choice, matching, and written questions • Race the clock in Match • Star tricky cards and study just those • Study cards in either direction • Track your streak, daily progress, test scores, and cards learned • Get an optional daily study reminder • Import sets exported from other flashcard apps • Sync across iPhone and iPad with your private iCloud account • Share complete decks with classmates and friends • Study in light or dark mode DECOECHO PRO — ONE-TIME PURCHASE • Turn pasted notes or scanned pages into cards using on-device Apple Intelligence on supported devices • Autofill clear card answers from Wikipedia • Translate cards across Spanish, French, German, Italian, Mandarin Chinese, Japanese, Korean, and Portuguese • Hear cards spoken aloud with language-appropriate voices YOUR STUDY DATA STAYS YOURS DecoEcho has no accounts, advertising, analytics, or tracking. Your flashcards stay on your device and in your own private iCloud account. Wikipedia autofill is the only study feature that makes an anonymous web request. Study with a focused flashcard system that respects both your time and your privacy.
Screenshots
Verdict
The clearest difference is in-app purchases: Syllable at none against DecoEcho's 1. Syllable also leads on iOS requirement (16.6 vs 18.0). DecoEcho's advantage is ads (none vs shown) and update cadence (monthly vs every 5 months). On price 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
Both are free to download. DecoEcho sells 1 one-off in-app purchase. Syllable asks for nothing beyond the download.
Syllable ships an update every 5 months, DecoEcho monthly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Syllable | DecoEcho |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (8 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 117 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Duvan Bernal | Lincoln Road Ventures, LLC |
In-app purchases
Syllable
No in-app purchases
DecoEcho
- DecoEcho Pro$4.99









