# Similar Plus — Document Extract & Compare

> Document Extract & Compare (iPhone/iPad app by Thinkwider CO., LTD..)

- Source: https://appshunter.io/ios/app/similar-plus/id6477751626 (this page in markdown: same URL + `.md`)
- Developer: [Thinkwider CO., LTD.](https://appshunter.io/developer/1637233894)
- Category: Productivity, Utilities
- Price: $149.99
- Age rating: 4+
- Requires: iOS 13.0 · 21 MB
- Languages: American English
- Released: 2024-02-15
- Data updated: 2026-06-11
- User reviews in markdown: https://appshunter.io/ios/app/similar-plus/id6477751626/reviews.md

## What is Similar Plus?

Secure offline PDF, Docx, Xlsx, Pptx & Text Compare, Export with Advanced Clipboard Management - Ad-Free

Google's Gemini AI as a collaborative assistant.

Similar Plus offers robust local file comparison, powerful multi-clipboard storage, and easy text editing, all while keeping your documents securely on your device – no internet uploads required.

UNRIVALED OFFLINE DOCUMENT PROCESSING Similar Plus turns your device into a powerful, secure analysis tool.

•Deep PDF & Office Extraction: Go beyond simple text. Our built-in engine locally extracts content from PDF, Word, Excel, and PowerPoint files. Your documents are never uploaded.

•Fast, Private, & Secure: By processing everything offline, we guarantee your sensitive data remains on your device. It's the perfect solution for confidential work.

•AI & RAG Optimized: The extracted text is clean and well-structured, making it ideal for use with AI models to build powerful, accurate Retrieval-Augmented Generation (RAG) engines.


Key Features:
*   Compare Files & Clipboard: Analyze differences between two PDFs, text files, or pasted clipboard content.
*   Side-by-Side Visual Comparison: View differences clearly and sync scrolling to identical content sections.
*   Secure Offline PDF Processing: Our built-in PDF processor extracts text locally on your device.
*   Convert PDF to Text: Easily save PDF content as editable text files. 
*   Convert Office Document (Word, Excel, PowerPoint) to Text: Easily save content as editable text files. 
*   Advanced Multi-Clipboard:
    *   Store up to 30 persistent clipboard entries.
    *   Easily save, edit, shortcuts, assign and load clipboard data. 

Improvement:
*   Support PDF 1.3 to 2.0 and multi-character sets. Performance may vary with other PDF versions or complex layouts/languages.
*   We are committed to improving Similar Plus! Please contact us via (support@thinkwider.co) if you encounter any issues or have suggestions.

We apologize for any inconvenience these limitations may cause and appreciate your understanding.


Terms of Use: [Standard Apple Terms of Use (EULA)]
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/


## Version history (last 5 releases)

### 2.18.0 — 2025-12-21

Fix export to text file.
Enhance the analysis flow.
Support CJK, Arabic language.
Update the adaptive scroller.

### 2.17.0 — 2025-11-29

Change to adaptive scrolling (adaptive_scroller package).
Enhance long jump in scrolling.
Fix export multi-language text file.

### 2.16.0 — 2025-11-11

Google's Gemini AI as a collaborative assistant, allowing us to build and test our new engine faster and more robustly than ever before.

Here's what's new under the hood:

• All-New, Multi-Threaded PDF Engine: We threw out the old engine and built a brand new one from the ground up. It's now fully multi-threaded, using modern parallel processing to analyze documents at incredible speeds.

• Parallel Extraction for Maximum Performance: When you select two files, SimilarBasic now analyzes them at the same time. By utilizing multiple cores on your device, we've dramatically cut down the waiting time for analysis results.
• Unmatched Accuracy and Reliability: Our new, custom-built PDF parser handles a wider variety of documents, including complex and non-standard files.
•UI and Stability Fixes:
•Resolved layout issues and crashes on the analysis screen.
•Improved the file export dialog for a smoother experience.
•Numerous other performance and stability enhancements.

### 1.15.0 — 2025-08-30

Thank you for your patience and understanding. We are truly grateful for your continued support.
We have been working hard to improve this application, and it now supports a wider range of PDF files. The comparison method has also been adjusted.
We apologize for any inconvenience this may have caused and welcome any feedback you may have.

### 1.14.0 — 2025-08-22

Fix PDF parser.

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## More apps by Thinkwider CO., LTD.

- [CRM Basic](https://appshunter.io/ios/app/crm-basic/id6450106145)
- [Similar Basic](https://appshunter.io/ios/app/similar-basic/id6476169731)
- [POS Basic](https://appshunter.io/ios/app/pos-basic/id6587576086)
- [POS Excelsior](https://appshunter.io/ios/app/pos-excelsior/id6730124223)

All apps by Thinkwider CO., LTD.: https://appshunter.io/developer/1637233894

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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 2026-06-11.*