Comparison

dfirOS vs Dev Tools Kit

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

Head to head
About

dfirOS

Read full description

dfirOS Viewer is a focused evidence browser for iPhone and iPad. OPEN EVIDENCE IN PLACE • Select E01, AFF, AFF4 or raw/dd images from Files or external storage • Open split evidence by selecting its segments or granting access to its folder • Evidence stays on your device and is not uploaded BROWSE WITHOUT BUILDING AN INDEX • Enter supported file systems and browse folders on demand • Open individual files without importing the entire image • View file metadata and read file content in pages EXAMINE INDIVIDUAL FILES • Preview images, text, PDF, plist, SQLite, Office documents and EXIF metadata • Calculate a hash for a selected file The iPhone and iPad app is deliberately a viewer. Case wide search, artifact scanning, triage, timelines, reports, AI and OCR remain in dfirOS for Mac. An active dfirOS subscription grants access through universal purchase. Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula/

About

Dev Tools Kit

Features
Read full description

Dev Tools Kit is a handy toolbox for developers. Stop jumping between websites to format JSON, decode Base64 or test a regex. --------------------------------------------------- FREE TOOLS --------------------------------------------------- • JSON Formatter – Pretty-print or minify JSON. • Base64 – Encode and decode strings. • UUID Generator – Generate random UUID v4. • String Case – Convert text to camelCase, snake_case, kebab-case, Title Case, and more. • Number Base – Convert between binary, octal, decimal and hex. • HTML Encoder – Encode and decode HTML entities. • Password Generator – Generate secure random passwords. • Chmod Calculator – Build Unix permission strings with a visual editor. • QR Code Generator – Turn any text or URL into a QR code. • Text Statistics – Count characters, words, sentences, reading time, and more. • URL Parser – Break a URL down into scheme, host, port, path, query and fragment. --------------------------------------------------- PRO TOOLS (one-time purchase) --------------------------------------------------- • Regex Tester – Test and debug regular expressions on sample text. • URL Encoder – Encode / decode URLs. • Timestamp – Convert timestamps to readable dates and back, in any timezone. • Hash Generator – Compute MD5, SHA-1 and SHA-256. • JWT Decoder – Inspect JSON Web Tokens in a readable format. • Text Diff – Compare two texts line by line, or word by word. • Color Converter – Convert colors between HEX, RGB, HSL and Swift Color(…). • Lorem Ipsum – Generate placeholder text by words, sentences or paragraphs. • CRON Parser / Builder – Read and compose CRON expressions with a visual editor. • CSV ↔ JSON – Convert between CSV and JSON formats. • YAML ↔ JSON – Convert between YAML and JSON, direction auto-detected. • JWT Builder – Build and sign JWT tokens (HS256/HS384/HS512). • Token Counter – Estimate token counts for today's leading AI models (GPT, Claude, Gemini, Llama, Mistral, xAI, DeepSeek). • SQL Formatter – Format and indent SQL queries, with syntax-highlighted output. • HTTP Client – Send GET/POST/PUT/PATCH/DELETE requests with an auth assistant and a built-in status code reference. --------------------------------------------------- DESIGNED FOR DEVELOPERS --------------------------------------------------- • Search, pin favorites, and reorder tools to fit your workflow. • Share text from any app directly into a tool via the Share Extension. • Clean, fast interface — inputs are remembered between sessions. • Input history (Pro) – Reuse your last 10 values, pasted or typed, in every tool. • 100% offline — nothing is sent to any server. • One-time purchase, no subscriptions. • Future Pro tools included in the price. Dev Tools Kit is the small utility app you open dozens of times a week while coding, debugging or reviewing data.

Screenshots

dfirOS3 screens
Dev Tools Kit4 screens

Verdict

The call

dfirOS and Dev Tools Kit are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. dfirOS sells 2 in-app purchases, starting at $6.99 per month and Dev Tools Kit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
dfirOS versus Dev Tools Kit: the parameters behind the verdict, then further details
ParameterdfirOSDev Tools Kit
PriceFreeFree
Update frequency—Every 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS16.0 — better17.6
Further details — not scored
Size19 MB3 MB
Age rating4+17+
DevelopertumiOS LLCKevin Cabon

In-app purchases

2 purchases

dfirOS

Subscriptions2
  • dfirOS Pro Monthly$6.991 Month
  • dfirOS Pro3 Days trial$49.991 Year
1 purchases

Dev Tools Kit

One-time1
  • Dev Tools Kit Pro$6.99

Questions

Is dfirOS free?
dfirOS is free to download, with in-app purchases available.
Is Dev Tools Kit free?
Dev Tools Kit is free to download, with in-app purchases available.
Do dfirOS or Dev Tools Kit have ads?
Neither dfirOS nor Dev Tools Kit shows ads.

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