DejaVocab vs Echolangs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DejaVocab
This app helps you learn languages by immersing you in real-world content like videos, podcasts, and books. It builds a personal language corpus by capturing and organizing language chunks from natural input, allowing you to review words within their original context. The system integrates spoken and written language for a continuous learning experience.
- Learn from videos, podcasts, and audiobooks
- Build a personal language corpus
- Review vocabulary in original context
- Integrates spoken and written language
- Supports EPUB, PDF, and text files
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Deja 从一个问题开始: 语言,为什么总是被学成抽象的单词? 在真实世界中,语言来自视频、播客、阅读和声音。 Deja 将这些语境中的表达自动提取、组织,逐渐形成一个属于自己的语料系统。 复习不再是孤立的记忆,而是回到语言第一次出现的那个语境。 阅读、听力、学习不再分离,所有输入汇聚成一条连续的语言路径。 Deja 不属于某一种格式或平台,它试图构建的,是一个会随着使用不断生长的语言系统。 Deja starts with a simple idea: Language is not learned from isolated words, but from real usage. Import videos, podcasts, books, or any text. Deja automatically captures phrases in context and turns scattered exposure into a growing personal corpus. Review is not repetition. It is a return to the moment where the language first made sense. Reading, listening, and studying are no longer separated. Everything flows into one continuous system, one evolving memory. Deja is not about formats or platforms. It is about building a language system that grows with you. Contact WeChat: longhao1596 Discord Community: https://discord.gg/AC7sNMJW Privacy Policy: https://dejavocab.com/privacy-policy/ Subscription Information Subscriptions renew automatically 24 hours before the end of the current period You can manage or cancel your subscription in Apple ID settings at any time After cancellation, access remains until the end of the current subscription period Payment will be charged to your iTunes account upon confirmation of purchase Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Don’t let words slip past unnoticed. Let DejaVocab capture every meaningful chunk of language. Download DejaVocab and build your own language corpus.
Echolangs
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Language is not just something you know. Language is something you can use without stopping to calculate every sentence. EchoLangs is built around one idea: language becomes useful when listening, understanding, and responding become faster and more automatic. You may already know thousands of words. You may understand grammar. You may even understand what someone is saying — and still freeze when it is your turn to speak. EchoLangs helps you train that gap. HEAR. UNDERSTAND. RESPOND. Instead of treating listening, speaking, vocabulary, and sentence patterns as isolated skills, EchoLangs gives you structured practice with real sentences and repeated language patterns. The goal is simple: spend less time translating and constructing every response in your head, and become more comfortable responding directly in the language. BUILT FOR LANGUAGE REFLEX TRAINING EchoLangs includes several ways to practice. • Echo Loop Listen to guided target-language and native-language sequences designed to connect sound, meaning, and response. • Reflex Practice Work with sentence patterns repeatedly until familiar structures become easier to recognize and produce. • Focus Practice Move from passive listening to active recall and speaking. • Micro Dictation Listen carefully, identify missing words, and test whether you really heard what was said. • Sentence Listening Explore structured sentence collections and hear individual sentences whenever you want. A LARGE, STRUCTURED LANGUAGE SYSTEM EchoLangs isn't built around a small set of disconnected lessons. Explore: • 500,000+ structured sentences • 1,000+ units • 14 languages • Echo Foundation courses • Lexical Engine • Practical sentence and conversation collections • FSI-inspired foundation training • Personal learning content PRACTICE IN A WAY THAT FITS YOUR DAY Use guided audio practice while walking, commuting, cooking, exercising, or relaxing. When you want more active practice, switch to focused speaking, listening, or dictation exercises. Start with a few minutes. Continue where you left off. Build familiarity one sentence at a time. FROM KNOWING TO USING Learning a language gives you knowledge. Practice makes that knowledge easier to access when you actually need it. EchoLangs is designed to help turn what you know into stronger language reflexes — so you can hear, understand, and respond more naturally. By subscribing, you agree to our Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is iOS requirement: Echolangs at 15.1 against DejaVocab's 17.6. 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. DejaVocab sells 6 in-app purchases, starting at $5.99 per month and Echolangs sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
DejaVocab ships an update weekly, Echolangs every 4 days. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.
| Parameter | DejaVocab | Echolangs |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (59 ratings) — better | — |
| Positive reviews | 86.4% of reviews | — |
| Number of ratings | 59 — better | — |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 360 MB | 47 MB |
| Age rating | 17+ | 4+ |
| Developer | 灏 龙 | Gang Huang |
In-app purchases
DejaVocab
- DejaVocab 高级版3 Days trial$5.991 Month
- DejaVocab 高级版3 Days trial$7.991 Month
- DejaVocab 高级版年付7 Days trial$49.991 Year
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- DejaVocab 专业版年付7 Days trial$69.991 Year
- DejaVocab 共建者$199.99
- DejaVocab 共建者 Plus$299.99
Echolangs
- Echolangs Pro$1.991 Month
- Monthly Access$3.991 Month
- EchoLangs Pro 1 Year$34.991 Year









