Comparison

DevTools+ vs JAR DLL EXE File Viewer

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

Head to head
About

DevTools+

A comprehensive suite of developer tools for mobile devices. Quickly format, convert, decode, and test code with a vast collection of utilities. Designed for efficient local processing with no account required.

Highlights
  • JSON formatter, validator, and converter
  • API tester with REST, GraphQL, and cURL support
  • Regex tester and highlighter
  • JWT decoder and analysis
  • Base64 encoder/decoder
  • Timestamp and timezone conversion
  • Local-first data processing
Features
Read full description

496 developer tools, ready on iPhone and iPad. DevTools+ puts everyday code utilities in one searchable app. Format JSON, test APIs, inspect regex, decode JWTs, encode Base64, generate UUIDs, convert timestamps, format SQL, and handle hundreds of other development tasks without jumping between random websites. FIND THE RIGHT TOOL FAST - Search all 496 tools across 29 categories - Pin favorites and reopen recent tools - Start with practical examples - Copy and share results - Keep supported history, snippets, and API work organized FORMAT AND CONVERT - JSON formatter, validator, minifier, tree view, sort, and escape - JSON to YAML, CSV, XML, TypeScript, and Java - XML, YAML, TOML, CSV, Markdown, SQL, and text utilities DECODE AND INSPECT - JWT decoder and analysis tools - Base64 encoder and decoder - URL, HTML, Unicode, hexadecimal, and character encoding tools - Hash, HMAC, password, certificate, header, and security helpers - Timestamp, timezone, cron, MIME type, port, and HTTP status references BUILD AND TEST - API tester and REST, GraphQL, cURL, header, and WebSocket helpers - Regex tester, match highlighter, replace, and reference tools - UUID, random data, mock payload, barcode, and QR generators - Git, CSS, React Native, testing, documentation, file, and log utilities LOCAL-FIRST BY DESIGN Most tools process directly on your device. Tools that need a network connection are clearly identified. Nothing you enter is sent anywhere unless the selected tool requires a network request. NO ACCOUNT REQUIRED Open the app and start working. A useful selection of tools is free. DevTools+ Pro unlocks the complete toolkit and removes ads. Built for developers, QA engineers, API testers, students, and technical teams who want a focused utility on their phone. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

JAR DLL EXE File Viewer

Features
Read full description

Inspect JAR, CLASS, DLL, EXE, PE and other supported binary files directly on your iPhone or iPad. Jar DLL EXE File Viewer is an on-device file inspection tool for developers, students, security researchers, and anyone who needs to explore Java archives or Windows executable files. JAR & CLASS Tools • Browse JAR and ZIP archive contents • View MANIFEST.MF information • Inspect CLASS file metadata • Decompile supported Java class files DLL, EXE & PE Analysis • View PE overview and headers • Inspect sections and file layout • Explore imports and exports • Preview and search strings • Inspect resources • Explore supported .NET metadata • View binary data with the hex viewer • Review hashes and file information Pro Analysis Free users can preview supported analysis results. Lifetime Pro unlocks complete analysis tools, including full strings, imports and exports, reports, batch tools, and other advanced features. Private & On-Device Files are analyzed locally on your device. Your files do not need to be uploaded to a remote server for analysis. Designed for iPhone and iPad Use the same inspection tools on iPhone or take advantage of the larger iPad display for headers, sections, strings, hex data, and other detailed analysis. Jar DLL EXE File Viewer is intended for file inspection and analysis. It does not execute Windows EXE or DLL files.

Screenshots

DevTools+4 screens
JAR DLL EXE File Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: JAR DLL EXE File Viewer at none against DevTools+'s 2. DevTools+'s advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

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

Both are free to download. DevTools+ sells 2 in-app purchases, starting at $1.99 per month. JAR DLL EXE File Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

DevTools+ ships an update every 11 days, JAR DLL EXE File Viewer fortnightly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard2 real differences Ā· 6 level
DevTools+ versus JAR DLL EXE File Viewer: the parameters behind the verdict, then further details
ParameterDevTools+JAR DLL EXE File Viewer
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 11 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size57 MB10 MB
Age rating4+4+
DeveloperTosh Labs Private Limited文军 å“”

In-app purchases

2 purchases

DevTools+

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Annual$19.991 Year
None

JAR DLL EXE File Viewer

No in-app purchases

Questions

Is DevTools+ free?
DevTools+ is free to download, with in-app purchases available.
Is JAR DLL EXE File Viewer free?
JAR DLL EXE File Viewer is free to download, with no in-app purchases.
Do DevTools+ or JAR DLL EXE File Viewer have ads?
Neither DevTools+ nor JAR DLL EXE File Viewer shows ads.
Which is updated more often, DevTools+ or JAR DLL EXE File Viewer?
DevTools+ ships an update every 11 days, and JAR DLL EXE File Viewer fortnightly. Most recently, DevTools+ was updated on October 16, 2026 and JAR DLL EXE File Viewer on October 14, 2026.

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