# XSIME — AI Keyboard & Text Assistant

> AI-powered iPhone keyboard with text buffer, translation, and custom AI integration. (iPhone/iPad app by 海洋 崔.)

- Source: https://appshunter.io/ios/app/xsime/id6814620242 (this page in markdown: same URL + `.md`)
- Developer: [海洋 崔](https://appshunter.io/developer/6814031898)
- Category: Productivity, Utilities
- Price: Free
- Rating: 3.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 39 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-10-04
- Data updated: 2026-10-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/xsime/id6814620242/reviews.md

## What is XSIME?

XSIME is a keyboard and text assistant for your iPhone, formerly RIMES / Lingxi IME. Type locally, organize your words in Buffer, and choose optional translation or AI assistance when you need it.

TYPE YOUR WAY
Use Pinyin, nine-key Pinyin, Ziranma double Pinyin, Wubi 86, XSIME Wubi, English or slide chords. Switch Simplified and Traditional Chinese, customize key layouts, and import compatible Rime scheme ZIPs or coded UTF-8 text dictionaries. XSIME Wubi combines Wubi and Pinyin; Wubi 86 offers z-prefixed Pinyin lookup. Both Wubi schemes can commit a unique four-key Wubi match automatically.

A BUFFER FOR YOUR WORDS
Compose and edit before inserting text into your app. Tap to insert one block, or hold for one second to insert all remaining blocks. Default Buffer also offers optional timed insertion, off by default; translation and AI results require explicit insertion. Inserting text never sends a message for you.

Explicitly import readable text from the current input field, or collect clipboard text with the system Paste control. Saved clipboard entries stay in a separate local history that you can delete or clear; opening the list does not read the system clipboard.

OPTIONAL APPLE TRANSLATION
On iOS 26 or later, Apple translation uses downloaded on-device language models. Prepare the required languages in the XSIME app, then choose a language pair in Buffer. Availability depends on supported languages and downloaded models. No external AI fallback is used when local translation is unavailable.

YOUR CHOICE OF EXTERNAL AI
For optional AI polishing, rewriting and other writing tools, configure your own HTTPS AI service that supports a general-purpose interface format, along with your model and API key. The recipient is shown before you grant permission. Only Buffer text you explicitly submit is sent to the configured, consented service. Your provider's data policy applies and its service may require a separate account or payment. XSIME does not include an AI subscription, provider credentials or a hosted AI service.

PERSONALIZE YOUR KEYBOARD
Manage built-in Buffer tools, keyboard appearance, custom chord mappings and status-light pets. View local typing statistics and create a statistics card. Local learned associations suggest what you may want to type next.

LOCAL EVERYDAY INPUT
Ordinary typing and Buffer editing work offline without Full Access, an app account or a subscription. XSIME has no ads or keyboard-text telemetry. API keys use this device's Keychain. External AI, collecting clipboard text from the keyboard and keyboard image export require Full Access; saving an image to Photos requests add-only photo access. Buffer drafts are cleared when the keyboard session ends; separately saved clipboard history, learned words and settings remain on the device.

Enable XSIME in Settings > General > Keyboard > Keyboards, then choose it with the globe key. Secure fields and apps that prohibit third-party keyboards use the system keyboard.

Requires an iPhone running iOS 17 or later. Apple local translation requires iOS 26 or later and supported language models. Haptics depend on device and system settings.

## Key features

- Multiple input methods (Pinyin, Wubi, etc.)
- Text composition buffer
- On-device Apple translation
- Custom AI service integration
- Keyboard appearance customization
- Local typing statistics

## Is XSIME safe?

Not enough ratings yet to assess XSIME.

## Is XSIME legit?

XSIME has limited verification signals. The AppsHunter Legitimacy Score for XSIME is 58 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/xsime/id6814620242/reviews.md

### 3/5 — ，

*2026-10-07*

这输入法其实挺满意地，有个不习惯的地方，只有候选词，没有其他输入法那种。在左侧或者上面显示其他选项(不知道专业术语)

## Frequently asked questions about XSIME

### What input methods does XSIME support?

XSIME supports Pinyin, nine-key Pinyin, Ziranma double Pinyin, Wubi 86, XSIME Wubi, English, and slide chords. It also allows switching between Simplified and Traditional Chinese and importing compatible Rime schemes.

### How does the text buffer in XSIME work?

The Buffer allows you to compose and edit text before inserting it into other apps. You can insert blocks individually or all at once. Optional timed insertion is available, and translation/AI results require explicit insertion.

### Does XSIME offer translation features?

Yes, XSIME offers optional on-device Apple translation on iOS 16 or later. You need to prepare the required languages within the app, and availability depends on supported languages and downloaded models.

### Can I use my own AI services with XSIME?

Yes, you can configure your own HTTPS AI service that supports a general-purpose interface format, along with your model and API key, for optional AI polishing and rewriting tools.

### Does XSIME require an internet connection to function?

Ordinary typing and Buffer editing work offline without Full Access, an app account, or a subscription. However, external AI, collecting clipboard text, and keyboard image export require Full Access.

### Is XSIME available on other platforms besides iPhone?

Based on the provided data, XSIME is currently supported on iPhone only.

### How often is XSIME updated?

The latest version of XSIME is 1.1.7, released on 2026-10-19. The app was last updated on 2026-10-19, indicating recent development activity.

### What is the user rating for XSIME?

XSIME has a rating of 3.0 stars from 1 rating, as of the provided data.

## Version history (last 5 releases)

### 1.1.7 — 2026-10-19

Supports larger Rime scheme packages, including ZIP files up to 2 GiB. Imports now read large archives in chunks and check available storage before installation. Preserves your current input settings and learned words.

### 1.1.5 — 2026-10-16

RIMES / Lingxi IME is now XSIME.

This update unifies the app name, keyboard name, setup guidance and help text under the new brand. This is an update to the same app: your installed input schemes, learned words, settings and API credentials are retained. No uninstall or new app account is needed.

Offline typing and Buffer remain free. Optional external AI still uses your own provider and API key; no AI subscription is included.

### 1.1.4 — 2026-10-14

Adds Lingxi Wubi with direct Wubi and Pinyin input. Wubi 86 now supports z-prefixed Pinyin lookup with smaller Wubi code hints beside candidates. Existing schemes and learned words are preserved.

Both Wubi schemes automatically commit a unique four-key Wubi match while keeping ambiguous codes and Pinyin lookups available for selection.

### 1.1.3 — 2026-10-13

Improves typing responsiveness and reduces unnecessary resource use after closing Buffer or switching apps.

Import standard Rime scheme ZIPs and coded UTF-8 text dictionaries from Settings. Review, deploy, and enable schemes without repacking them for each platform. This update improves upstream package compatibility, recovery after failed imports, package removal, and paired full-keyboard and nine-key schemes.

### 1.1.2 — 2026-10-13

• Compatible imported full-Pinyin schemes, including the updated Wanxiang package, can switch between 26-key and native nine-key layouts. Candidate selection, spelling selection and Buffer continue to use the imported scheme.
• Improved keyboard startup and height recovery when the host temporarily provides extra space.
• Keyboard layout menus now show the layout actually in use. Existing chord mappings and learned data are retained.

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## Related topics

[rimes](https://appshunter.io/ios/topics/rimes) · [rime输入法](https://appshunter.io/ios/topics/rime输入法) · [chinese input](https://appshunter.io/ios/topics/chinese-input) · [chinese keyboard pinyin](https://appshunter.io/ios/topics/chinese-keyboard-pinyin) · [shurufa](https://appshunter.io/ios/topics/shurufa)

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*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 2026-10-22.*