Comparison

Diff Checker vs FileDuel

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

Head to head
About

Diff Checker

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Easily figure out the differences between two pieces of text with Diff Checker - Compare Text, your go-to tool for accurate text comparison on iPhone & iPad. Whether you’re a writer, coder, editor, or student, this app helps you to identify even the smallest difference between two text paragraphs. Simply paste or import your content into two boxes and click on the Compare button to see the difference. *Key Features - Instant Comparison: Paste or import text in two boxes to see exactly what’s changed. - Highlighted Differences: Modified paragraphs and words are clearly highlighted for easy understanding. - Import Support: Quickly bring in text files or documents from your device. - Precise and Fast: Detects even minor edits, extra spaces, or punctuation changes. You can use the app for the following scenarios. *Code comparison:- App now supports code comparison which means, you can easily identify difference between two different codes. *Text to text comparison:- Compare two texts and find the diff between text using this tool. *Compare string:- Text comparison tool for comparing difference between strings. Perfect for proofreading, version tracking, or verifying edits — Diff Checker - Compare Text makes comparison simple, visual, and efficient. NB: After free trial period, active subscription is required to access the app features fully. Privacy Policy:- https://edusoft.co.nz/diffonline-privacy-policy/ Terms of Use: 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 — 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

Diff Checker4 screens
FileDuel4 screens

Verdict

The call

The clearest difference is update cadence: Diff Checker at fortnightly against FileDuel's every 2 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Diff Checker sells 2 in-app purchases, starting at $7.99 per month 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

Diff Checker ships an update fortnightly, FileDuel every 2 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 5 level
Diff Checker versus FileDuel: the parameters behind the verdict, then further details
ParameterDiff CheckerFileDuel
PriceFreeFree
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size79 MB64 MB
Age rating4+4+
DeveloperEdusoft LimitedValueSpring LLC

In-app purchases

2 purchases

Diff Checker

Subscriptions2
  • Premium Subscription Monthly3 Days trial$7.991 Month
  • Premium Subscription Yearly3 Days trial$49.991 Year
2 purchases

FileDuel

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

Questions

Is Diff Checker free?
Diff Checker is free to download, with in-app purchases available.
Is FileDuel free?
FileDuel is free to download, with in-app purchases available.
Do Diff Checker or FileDuel have ads?
Neither Diff Checker nor FileDuel shows ads.
Which is updated more often, Diff Checker or FileDuel?
Diff Checker ships an update fortnightly, and FileDuel every 2 months. Most recently, Diff Checker was updated on September 30, 2026 and FileDuel on October 7, 2026.

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