Comparison

FileDuel vs Sift Text Diff

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Sift Text Diff

Compare two versions of any text side-by-side to quickly identify added, removed, or modified lines. Features include inline viewing, word-level highlighting, and options to ignore whitespace or case. Save comparisons locally for easy recall.

Highlights
  • Side-by-side diff with color coding
  • Inline diff view
  • Word-level highlighting
  • Ignore whitespace and case
  • Local archive for saved comparisons
  • Quick input swapping
Features
Read full description

Sift is a fast, focused text diff tool for writers, editors, and developers. Paste two versions of any text — drafts, code, contracts, emails, JSON — and Sift highlights every added, removed, and modified line in a clean side-by-side view. No accounts, no clutter, no upload to the cloud. KEY FEATURES • Side-by-side diff with line numbers and clear rose/sage color coding • Inline diff view that shows +/- changes in a single column • Word-level highlighting on modified lines so subtle edits stand out • Ignore whitespace and ignore case toggles for noise-free comparisons • Save useful comparisons to the local archive and recall them in one tap • Quick swap between LEFT and RIGHT inputs • One-tap clipboard paste into either editor BUILT FOR REAL WORK Whether you are reviewing a contract redline, checking a code refactor, comparing JSON payloads, or auditing a copy edit, Sift keeps the differences in front of you and the noise out of the way. PRIVACY No accounts. No tracking. No network calls. All saved comparisons stay on your device.

Screenshots

FileDuel4 screens
Sift Text Diff3 screens

Verdict

The call

The clearest difference is rating: FileDuel at 5.0 against Sift Text Diff's 2.0. FileDuel also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.0). Sift Text Diff's advantage is in-app purchases (none vs 2). On price, ratings volume and ads 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. FileDuel sells 2 in-app purchases, starting at $2.99 per month. Sift Text Diff asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FileDuel holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scorecard5 real differences · 5 level
FileDuel versus Sift Text Diff: the parameters behind the verdict, then further details
ParameterFileDuelSift Text Diff
PriceFreeFree
Rating5.0 (1 ratings) — better2.0 (1 ratings)
Positive reviews—0.0% of reviews
Number of ratings11
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better17.0
Further details — not scored
Size68 MB0 MB
Age rating4+4+
DeveloperValueSpring LLCLinh Phan Nhat Khanh

Customer experience

FileDuel

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Sift Text Diff

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

FileDuel

Subscriptions2
  • FileDuel Pro Monthly$2.991 Month
  • Fileduel pro yearly$24.991 Year
None

Sift Text Diff

No in-app purchases

Questions

Is FileDuel free?
FileDuel is free to download, with in-app purchases available.
Is Sift Text Diff free?
Sift Text Diff is free to download, with no in-app purchases.
Which has better reviews, FileDuel or Sift Text Diff?
FileDuel is rated higher. FileDuel averages 5.0 out of 5 from 1 ratings, while Sift Text Diff averages 2.0 from 1 ratings.
Do FileDuel or Sift Text Diff have ads?
Neither FileDuel nor Sift Text Diff shows ads.

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