Similar Basic vs FileDuel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Similar Basic
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*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/)
FileDuel
Compare two files side-by-side and instantly see all differences, from added lines to modified cells. Supports text, documents, spreadsheets, and PDFs. All comparisons are processed on-device for complete privacy.
- Side-by-side file comparison
- Word and character level diff
- Supports text, docs, Excel, PDFs
- On-device privacy
- Export comparison results
- Split and unified view options
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FileDuel puts two files side by side and shows you exactly what changed — every added line, every deleted word, every modified cell. No guesswork, no scrolling back and forth manually. Whether you're reviewing a contract redline, reconciling two Excel reports, tracking changes in a code file, or comparing scanned documents — FileDuel handles it in seconds. WHAT YOU CAN COMPARE Text & Documents — .txt, .docx, .md, XML, code files, EDI, and more Excel Spreadsheets — compare cells, formulas, and sheet structure across .xlsx files PDF Files — extract and compare text content across pages Photos & Scans — photograph a printed document and compare against another HOW IT WORKS 1. Pick File A and File B — from your device or paste text directly 2. Tap Compare 3. See every change highlighted — added lines in green, removed in red, modified in amber KEY FEATURES Word-level and character-level diff — see exactly which words changed, not just which lines Split view and unified view — choose the layout that works for you Portrait and landscape support — full screen real estate in any orientation Excel sheet mapping — match sheets across two files, column-by-column comparison Formula diff — see what Excel formulas changed, not just cell values PDF page navigation — jump to changed pages instantly Find in diff — search within your comparison results Export results — share as HTML, CSV, or JSON Scroll sync — both panes move together for easy line-by-line review Dark mode — full dark theme that's easy on the eyes 100% ON-DEVICE PRIVACY Your files never leave your phone. FileDuel runs entirely on-device — no uploads, no cloud processing, no accounts required. What you compare stays on your device, period. BUILT FOR → Legal & compliance teams reviewing contract versions → Finance teams reconciling Excel reports → Developers comparing config files and code → Writers tracking document revisions → Anyone who needs to know exactly what changed between two versions of anything Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ FileDuel. Two files. Every change.
Screenshots
Verdict
The clearest difference is update cadence: Similar Basic at every 3 weeks against FileDuel's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Similar Basic sells 1 one-off in-app purchase and FileDuel sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Similar Basic ships an update every 3 weeks, FileDuel every 3 months. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | Similar Basic | FileDuel |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 22 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Thinkwider CO., LTD. | ValueSpring LLC |
In-app purchases
Similar Basic
- Multi-clipboard Storage$13.99
FileDuel
- FileDuel Pro Monthly$2.991 Month
- Fileduel pro yearly$24.991 Year
Questions
Is Similar Basic free?
Is FileDuel free?
Do Similar Basic or FileDuel have ads?
Which is updated more often, Similar Basic or FileDuel?
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