# Similar Basic — Document compare & clipboards

> Document compare & clipboards (iPhone/iPad app by Thinkwider CO., LTD..)

- Source: https://appshunter.io/ios/app/similar-basic/id6476169731 (this page in markdown: same URL + `.md`)
- Developer: [Thinkwider CO., LTD.](https://appshunter.io/developer/1637233894)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 22 MB
- Languages: American English
- Released: 2024-01-18
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/similar-basic/id6476169731/reviews.md

## What is Similar Basic?

*Secure Offline PDF, Document Extract & Compare & Export - Ad-Free*

 Google's Gemini AI as a collaborative assistant.

Similar Basic lets you quickly compare PDF or text files and clipboard content without uploading anything online. Your documents stay local using our built-in PDF processor.

Special updates:
•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.

Key Features:
*   Compare two files (PDF or text).
*   Compare text pasted from the clipboard.
*   Offline PDF Processing: Securely extract text on your device.
*   Upgrade via In-App Purchase: Unlock multi-clipboard storage with save & edit capabilities.
*   Compare Docx: Direct compare Docx content.
*   Compare Xlsx: Direct compare Xlsx content.
*   Compare Pptx: Direct compare Pptx content.
*   All-New, Multi-Threaded PDF Engine.
*   Parallel Extraction for Maximum Performance.
*   Unmatched Accuracy and Reliability.
*   Export the Extracted File (limited to 100K bytes).

Looking for more? Check out "Similar Plus" for advanced features.

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Multi-clipboard Storage | $13.99 | one-time |



## Version history (last 5 releases)

### 2.18.0 — 2025-12-23

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

### 2.17.0 — 2025-12-01

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

### 2.16.0 — 2025-11-11

Credit to 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.
• Parallel Extraction for Maximum Performance.
• Unmatched Accuracy and Reliability.
• Export the Extracted File (limited to 100K bytes).

### 1.15.0 — 2025-09-01

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 — 2025-08-24

Fix PDF parser.

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## More apps by Thinkwider CO., LTD.

- [CRM Basic](https://appshunter.io/ios/app/crm-basic/id6450106145)
- [Similar Plus](https://appshunter.io/ios/app/similar-plus/id6477751626)
- [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 2026-05-17.*