CoreVocab 核心字庫 支援
CoreVocab 核心字庫是給中文使用者的英文單字練習 App：用附中文翻譯的例句克漏字練習，並以間隔重複（FSRS）安排複習。
有問題或建議，請寫信到 candanweng@gmail.com，我通常會在幾天內回覆。
常見問題
我的裝置可以用 AI 解析和自動出題嗎？
本 App 的 AI 解析與新字例句都在裝置上產生，有兩種方式：
- Apple Intelligence：需要支援 Apple Intelligence 的機型（例如 iPhone 15 Pro 以後的機型），系統版本 iOS / iPadOS 26 以上，並在「設定 › Apple Intelligence 與 Siri」開啟。如果 App 顯示模型還在準備中，請等系統下載完再試。
- 本機模型（Gemma 4 E2B）：裝置不支援 Apple Intelligence 時（例如較舊的 iPhone 或 Mac），可以在 App 的「設定」下載這個模型。檔案約 2.4 GB，建議連上 Wi-Fi 並確認有足夠儲存空間再下載。下載完成後完全離線執行。如果你也裝了同一位開發者的 InsightRSS，兩個 App 共用同一份模型，下載過就不用再下載。
兩種都沒有也能用。 你仍然可以複習已經產生過的卡片，新字則使用內建的精選題庫，只是答錯時不會有 AI 解析。
免費版和完整版有什麼差別？
App 可以免費使用：免費版每天可以學 10 個新字、看 5 次 AI 解析，複習永遠不限。一次買斷「解鎖完整版」後就沒有這些限制，不需要訂閱。
換了手機或重新安裝後，怎麼恢復已購買的完整版？
- 確認裝置登入的是當初購買時的同一個 Apple 帳號。
- 打開 App 的「設定」，點「回復購買」。
- 稍等一下讓 Apple 確認購買紀錄。
不需要再付一次錢。如果還是沒有解鎖，請確認網路連線，或到 Apple 的「回報問題」網站 查看購買紀錄，再來信告訴我。退款也是透過這個網站向 Apple 申請。
iCloud 同步沒有作用怎麼辦？
請依序檢查：
- 有登入 iCloud：每台裝置都要登入同一個 Apple 帳號。App 的「設定 › iCloud 同步」如果顯示「沒有登入 iCloud」，請先到系統設定登入。
- 同步開關：App 的「設定 › iCloud 同步」要開啟；系統的「設定 › [你的名字] › iCloud」裡，也要允許 CoreVocab 使用 iCloud。
- iCloud 空間：如果顯示「iCloud 空間不夠」，請清出空間或升級方案。
- App 版本：如果顯示「iCloud 上的資料是比較新版的 App 寫的」，請把每台裝置上的 App 都更新到最新版。
- 等一下：同步需要網路，也可能晚幾分鐘才出現。在兩台裝置上都打開 App 一下，通常就會更新。
另外提醒：設定不會同步，只會同步學習進度、每日統計、自訂單字與學過的卡片。
可以不要用線上發音嗎？
可以。預設的「Microsoft 神經語音」聲音比較自然，但會把要唸的單字或句子文字送到 Microsoft 的語音服務。如果你不想連網：
- 到 App 的「設定 › 發音」，改選「系統語音」。系統語音完全離線，不會送出任何內容。
- 想讓系統語音更好聽，可以到 iPhone / iPad 的「設定 › 輔助使用 › 朗讀內容 › 聲音 › 英文」下載「加強音質」或「高音質」的聲音。
沒有網路或連不上 Microsoft 時，App 也會自動改用系統語音。
卡片的句子怪怪的、翻譯錯了怎麼辦？
例句和解析是 AI 產生的，偶爾會出錯。揭曉答案之後，點「這張卡有問題」圖示並選擇原因，這張卡就不會再出現，這一題也不會算進統計。回報只記在你的 App 裡，不會傳送出去；如果想讓我知道，歡迎來信附上單字和句子。
怎麼重設進度或刪除所有資料？
- 重設學習進度：App 的「設定 › 重設所有學習進度」。如果開啟了 iCloud 同步，這也會清除 iCloud 上和其他裝置上的進度，無法復原。
- 刪除 iCloud 上的資料：iPhone / iPad 到「設定 › [你的名字] › iCloud › 管理帳號儲存空間」（部分系統版本叫「管理儲存空間」），找到 CoreVocab 刪除；Mac 到「系統設定 › [你的名字] › iCloud › 管理」。
- 刪除裝置上的所有資料：直接刪除 App。如果本機模型跟 InsightRSS 共用，要等兩個 App 都刪除後，模型檔才會從裝置上移除。
開發者沒有任何伺服器保存你的資料，所以不需要另外申請刪除帳號。
怎麼關掉每日提醒？
到 App 的「設定 › 每日提醒」關閉「提醒我複習」，或到系統的「設定 › 通知 › CoreVocab」關閉通知。
聯絡我
請寫信到 candanweng@gmail.com。為了讓我更快找到問題，建議附上：
- 裝置型號和系統版本（例如 iPhone 15 Pro、iOS 26.1）
- App 版本（可以在 iPhone / iPad 的「設定 › 一般 › iPhone 儲存空間（iPad 儲存空間）› CoreVocab」看到）
- 發生了什麼事、怎麼重現
如果是程度測驗或作答相關的問題，可以到 App 的診斷區按「複製程度測驗紀錄」或「複製作答紀錄」，再貼到信裡。這些紀錄只有在你自己貼上寄出時才會給我。
CoreVocab: English Vocabulary — Support
CoreVocab is an English vocabulary trainer for Chinese speakers: you fill in the blank in example sentences that come with a Chinese translation, and spaced repetition (FSRS) schedules your reviews.
For questions or suggestions, email candanweng@gmail.com. I usually reply within a few days.
Related: Privacy Policy · Terms of Use
FAQ
Can my device use AI explanations and automatic card writing?
AI explanations and example sentences for new words are generated on your device, in one of two ways:
- Apple Intelligence: requires a device that supports Apple Intelligence (for example, iPhone 15 Pro or later) running iOS / iPadOS 26 or later, with Apple Intelligence turned on in Settings › Apple Intelligence & Siri. If the app says the model is still getting ready, wait for the system to finish downloading it and try again.
- Local model (Gemma 4 E2B): if your device doesn't support Apple Intelligence (for example, an older iPhone or a Mac), you can download this model in the app's Settings. It is about 2.4 GB, so we recommend using Wi-Fi and making sure you have enough free storage first. Once downloaded, it runs fully offline. If you also have InsightRSS, another app by the same developer, the two apps share one copy of the model, so you only need to download it once.
The app still works without either. You can keep reviewing cards that were already generated, and new words come from the built-in set of curated cards. You just won't get AI explanations when you miss one.
What's the difference between the free and full versions?
The app is free to use: the free version includes 10 new words and 5 AI explanations a day, and reviews are always unlimited. A one-time "unlock full version" purchase removes those limits. There is no subscription.
How do I restore my full-version purchase on a new device or after reinstalling?
- Make sure the device is signed in with the same Apple Account you used to buy it.
- Open the app's Settings and tap Restore Purchases.
- Wait a moment while Apple confirms your purchase.
You won't be charged again. If it still isn't unlocked, check your internet connection or look up your purchase history on Apple's Report a Problem site, then email me. Refunds are also requested from Apple through that site.
iCloud sync isn't working. What can I do?
Check these in order:
- Signed in to iCloud: every device must be signed in with the same Apple Account. If Settings › iCloud sync in the app says you're not signed in to iCloud, sign in from system Settings first.
- Sync switches: Settings › iCloud sync in the app must be on, and under system Settings › [your name] › iCloud, CoreVocab must be allowed to use iCloud.
- iCloud storage: if the app says your iCloud storage is full, free up space or upgrade your plan.
- App version: if the app says iCloud has data from a newer version of the app, update the app on every device.
- Give it a moment: syncing needs an internet connection and can take a few minutes. Opening the app on both devices usually brings it up to date.
Note that settings are not synced. Only your progress, daily stats, your own words and the cards you've studied are.
Can I turn off online pronunciation?
Yes. The default "Microsoft neural voices" sound more natural, but they send the text of the word or sentence to be spoken to Microsoft's speech service. If you'd rather stay offline:
- In the app, go to Settings › Pronunciation and choose System voices. System voices work fully offline and send nothing.
- To make system voices sound better, download an "Enhanced" or "Premium" English voice on iPhone / iPad under Settings › Accessibility › Spoken Content › Voices › English.
If you're offline or Microsoft's service can't be reached, the app automatically switches to system voices.
A card's sentence is awkward or the translation is wrong. What should I do?
Example sentences and explanations are written by AI and can occasionally be wrong. After the answer is revealed, tap the Report a problem with this card icon and choose a reason. The card won't appear again, and that answer won't count toward your stats. Reports stay in the app on your device and are not sent anywhere. If you'd like me to know about it, feel free to email me the word and the sentence.
How do I reset my progress or delete all my data?
- Reset learning progress: in the app, Settings › Reset all progress. If iCloud sync is on, this also clears your progress in iCloud and on your other devices. It can't be undone.
- Delete data in iCloud: on iPhone / iPad, go to Settings › [your name] › iCloud › Manage Account Storage (called "Manage Storage" on some system versions), find CoreVocab and delete it. On Mac, go to System Settings › [your name] › iCloud › Manage.
- Delete all data on the device: delete the app. If the local model is shared with InsightRSS, the model file is removed only after both apps are deleted.
The developer keeps no data on any server, so there is no account to request deletion for.
How do I turn off daily reminders?
In the app, go to Settings › Daily reminder and turn off Remind me to study, or turn off notifications under system Settings › Notifications › CoreVocab.
Contact
Email candanweng@gmail.com. To help me find the problem faster, please include:
- Your device model and system version (for example, iPhone 15 Pro, iOS 26.1)
- The app version (on iPhone / iPad, see Settings › General › iPhone Storage (iPad Storage) › CoreVocab)
- What happened and how to reproduce it
For problems with the placement test or your answers, you can tap Copy placement test log or Copy answer history in the app's diagnostics section and paste it into your email. I only see these logs if you paste and send them yourself.
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