Comparison

Similar Basic vs FileDuel

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

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: β€’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/)

About

FileDuel

Features
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FileDuel puts two files side by side and shows you exactly what changed β€” 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 β€” FileDuel handles it in seconds. WHAT YOU CAN COMPARE Text & Documents β€” .txt, .docx, .md, XML, code files, EDI, and more Excel Spreadsheets β€” compare cells, formulas, and sheet structure across .xlsx files PDF Files β€” extract and compare text content across pages Photos & Scans β€” photograph a printed document and compare against another HOW IT WORKS 1. Pick File A and File B β€” from your device or paste text directly 2. Tap Compare 3. See every change highlighted β€” added lines in green, removed in red, modified in amber KEY FEATURES Word-level and character-level diff β€” see exactly which words changed, not just which lines Split view and unified view β€” choose the layout that works for you Portrait and landscape support β€” full screen real estate in any orientation Excel sheet mapping β€” match sheets across two files, column-by-column comparison Formula diff β€” see what Excel formulas changed, not just cell values PDF page navigation β€” jump to changed pages instantly Find in diff β€” search within your comparison results Export results β€” share as HTML, CSV, or JSON Scroll sync β€” both panes move together for easy line-by-line review Dark mode β€” full dark theme that's easy on the eyes 100% ON-DEVICE PRIVACY Your files never leave your phone. FileDuel runs entirely on-device β€” no uploads, no cloud processing, no accounts required. What you compare stays on your device, period. BUILT FOR β†’ Legal & compliance teams reviewing contract versions β†’ Finance teams reconciling Excel reports β†’ Developers comparing config files and code β†’ Writers tracking document revisions β†’ 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

Similar Basic4 screens
FileDuel4 screens

Verdict

The call

The clearest difference is update cadence: Similar Basic at every 3 weeks against FileDuel's every 2 months. FileDuel's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

Similar Basic ships an update every 3 weeks, FileDuel every 2 months. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

Scorecard2 real differences Β· 4 level
Similar Basic versus FileDuel: the parameters behind the verdict, then further details
ParameterSimilar BasicFileDuel
PriceFreeFree
Update frequencyEvery 3 weeks β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod, Mac β€” betteriPhone, iPad, iPod
Requires iOS15.013.0 β€” better
Further details β€” not scored
Size22 MB64 MB
Age rating4+4+
DeveloperThinkwider CO., LTD.ValueSpring LLC

In-app purchases

1 purchases

Similar Basic

One-time1
  • Multi-clipboard Storage$13.99
2 purchases

FileDuel

Subscriptions2
  • FileDuel Pro Monthly$2.991 Month
  • Fileduel pro yearly$24.991 Year

Questions

Is Similar Basic free?
Similar Basic is free to download, with in-app purchases available.
Is FileDuel free?
FileDuel is free to download, with in-app purchases available.
Do Similar Basic or FileDuel have ads?
Neither Similar Basic nor FileDuel shows ads.
Which is updated more often, Similar Basic or FileDuel?
Similar Basic ships an update every 3 weeks, and FileDuel every 2 months. Most recently, Similar Basic was updated on September 15, 2026 and FileDuel on September 20, 2026.

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