# Nocos: Learn Japanese by diary — Japanese Learning Diary > AI-powered Japanese learning through personal diary entries and spaced repetition. (iPhone/iPad app by Panory, Inc..) - Source: https://appshunter.io/ios/app/nocos-learn-japanese-by-diary/id6749252602 (this page in markdown: same URL + `.md`) - Developer: [Panory, Inc.](https://appshunter.io/developer/1775620419) - Category: Education, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 61 MB - Languages: English, Japanese - Released: 2025-09-01 - Data updated: 2026-06-23 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/nocos-learn-japanese-by-diary/id6749252602/reviews.md ## What is Nocos? Master Japanese through your own stories. Our AI translates and refines your diary entries into natural phrases you can use starting tomorrow. By reviewing these phrases based on the forgetting curve, you’ll be ready to speak when it matters most. Perfect for those who want to talk about their daily life fluently in Japanese! ◆ Features 1. Learn various expressions and nuances based on your own diary! Write in English, and the AI will translate it; write in Japanse, and the AI will proofread it. You can also learn alternative expressions and nuances for phrases that interest you. Additionally, the app supports text-to-speech, which you can use for checking your pronunciation or for shadowing practice. 2. Learn expressions you can use immediately at work! By writing about your daily life and work in your diary, you can expand vocabulary specific to your own experiences and needs more effectively than you would by studying for tests like JLPT or BJT. As a result, you'll naturally learn more expressions that you can use at work. 3. Ensure you remember what you've learned! Have you ever been in a situation where you couldn't remember something you had previously learned when you needed to speak Japanese? With nocos, you can steadily memorize phrases you've used in your diary by following a schedule based on data from the Forgetting Curve. ◆ Recommended for: • Professionals who use a second language at work but sometimes struggle with speaking fluently. • Individuals who attend language classes as a hobby and sometimes have trouble thinking of topics to discuss. • Long-time language learners who lack confidence in their speaking ability. • Anyone who hesitates in conversations because they can't remember the right expressions. ◆ Supported Languages • English • Japanese ◆ Terms of Use https://corp.panory.jp/nocos/terms.html ## Key features - AI translation and refinement of diary entries - Learn practical phrases for daily life and work - Spaced repetition based on the forgetting curve - Text-to-speech for pronunciation and shadowing - Alternative expressions and nuances - Vocabulary tailored to personal experiences ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | nocos standard | $15.99 | per month | | standard - Anuual | $159.99 | per year | | standard - Monthly | $15.99 | per month | | standard - Monthly with trial | $15.99 | per month | | standard - Anuual with trial | $15.99 | per year | | standard - Anuual with trial | $143.99 | per year | | standard - Anuual | $143.99 | per year | ## Frequently asked questions about Nocos ### What is Nocos' learning method? Nocos uses your personal diary entries, translating and refining them into natural Japanese phrases. These phrases are then reviewed using a schedule based on the forgetting curve to ensure effective memorization and recall. ### How does Nocos help with speaking fluency? By focusing on phrases derived from your own daily life and work experiences, Nocos helps you learn vocabulary and expressions you can immediately use. This practical approach builds confidence for real-world conversations. ### Does Nocos offer pronunciation practice? Yes, Nocos supports text-to-speech functionality. You can use this feature to check your pronunciation of learned phrases or for shadowing practice, which involves mimicking native speakers. ### What devices is Nocos available on? Nocos is currently available for iPhone and iPod devices, as indicated by the supported devices list. ### How often is Nocos updated? The latest version of Nocos is 2.2.1, and it was last updated on May 11, 2026. This suggests a consistent update schedule from the developer. ### What are the subscription options for Nocos? Nocos offers a 'standard' subscription plan with monthly and annual options. Both plans are priced at $15.99/month or $143.99/year, with a 3-day free trial available for annual and monthly subscriptions. ### Is Nocos suitable for beginners? While the app focuses on practical phrases, its AI translation and refinement features can assist learners of various levels. The emphasis on personal diary entries makes it adaptable to individual learning paces. ### Does Nocos have ads? Based on the provided data, the 'hasAds' flag is false, indicating that Nocos is an ad-free application. ## Version history (last 5 releases) ### 2.2.2 — 2026-06-23 Fixed an issue where expired reflection phrases could increase every time you enter the reflection screen. ### 2.2.1 — 2026-05-11 ■Fixed a bug where AI generation for phrase explanations would occasionally fail. ■Added a "Retry" button for when AI generation fails. ### 2.1.7 — 2026-03-04 We have optimized our internal systems to provide a smoother experience. ### 2.1.6 — 2026-02-25 We have optimized our internal systems to provide a smoother experience. If you encounter any issues, please contact us via the inquiry form below. Inquiry Form: https://forms.gle/Lqw5p3w9YxBTAXrw6 ### 2.1.5 — 2026-02-16 Fixed a bug that prevented some diary entries from being posted. ## Apps similar to Nocos | App | Rating | Price | Category | | --- | --- | --- | --- | | [OtoFlash: AI Audio Flashcard](https://appshunter.io/ios/app/otoflash-ai-audio-flashcard/id6740526880) | — | Free | Education | | [AIライトトーク](https://appshunter.io/ios/app/ai/id6751465852) | — | Free | Education | | [HELLO ~アプリで学べるFlutter~](https://appshunter.io/ios/app/hello-flutter/id6452500203) | — | Free | Education | | [習熟！高校受験英語](https://appshunter.io/ios/app/id6743346014) | — | Free | Education | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-23.*