Comparison

Handy Color Converter vs WhatDiff

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

Head to head
About

Handy Color Converter

Features
Read full description

Color Assistant is a professional color picker designed for designers, developers, and creators. Whether you're a UI/UX designer, web developer, graphic designer, or interior designer, Color Assistant makes it easy to extract, convert, and manage colors. Core Features Multiple Color Picking Methods - Real-time camera color picking - Point at any object to get its color instantly - Photo library color extraction - Extract colors from saved photos - Precise pixel selection - Tap anywhere on screen to pick colors Color Naming System (NEW!) - Supports 5 international color naming standards - Automatically identifies closest standard color names - One-tap adjustment to standard color values - Perfectly meets design specification requirements Comprehensive Color Code Support - RGB - Standard for web and programming - HEX - Most common web color format - HSL - Hue, Saturation, Lightness - HSB - Hue, Saturation, Brightness - CMYK - Professional print color mode Smart Palette Management - Create unlimited palette projects - Name and categorize each color - Import/Export palettes (JSON format) - Automatic duplicate color detection - Conflict alerts and smart merging Convenient Operations - One-tap copy any color code format - Real-time color preview - Color history tracking - Quick color code format switching Full Localization - Traditional Chinese interface - English interface - All features fully translated Premium Features - Permanently remove all ads - Support independent developer updates - One-time purchase, lifetime use - Sync across all devices Perfect For - UI/UX Designers - Precise interface color acquisition - Web Developers - Quick web color code extraction - Graphic Designers - Extract inspiration source colors - Interior Designers - Record space color schemes - Artists - Build personal color database - All professionals requiring precise colors Use Cases - Website Design - Extract competitor color inspiration - App Development - Build brand color systems - Print Design - Ensure color accuracy - Photo Editing - Record ideal color tones - Interior Decoration - Color scheme planning - Daily Life - Save favorite colors Why Choose Color Assistant? - Simple and intuitive, zero learning curve - Professional and complete features - Multiple color code formats for all fields - Smart palette management boosts productivity - Localized interface for better experience - Continuous updates and improvements Download Color Assistant now and make your color work more professional and efficient! For questions or suggestions, feel free to contact us through the in-app contact feature.

About

WhatDiff

Features
Read full description

WhatDiff – Compare Files with Precision WhatDiff is a powerful file comparison app that helps you quickly identify differences between files across multiple formats. It supports photos, videos, audio, documents, and other file types from your Photo Library, Files app, and cloud storage platforms. With built-in MD5 checksum verification, detailed file attributes, and advanced comparison tools like line-by-line document diff, WhatDiff gives you deep insight into every file. #######Smart Comparison by File Type ---Photos • Use the slider to compare photo content. View and compare detailed metadata, including: • File name, size, MD5 • Created & modified dates • Dimensions, resolution • Color space & color profile • Device make & model • Exposure time, ISO, focal length, F-number • Flash, metering mode, white balance • Content creator • GPS location (latitude & longitude) ---Videos • Compare video files with rich technical details: • File name, size, MD5 • Created & modified dates • Dimensions & codecs • Duration • Color profile • Audio channels • GPS location (latitude & longitude) ---Audio Analyze and compare audio files: • File name, size, MD5 • Created & modified dates • Codecs • Duration • Audio channels ---Documents • Go beyond basic comparison with content analysis: • File name, size, MD5 • Created & modified dates • Word, character, and line counts • Content similarity • Content preview • Highlighted differences (line-by-line) ---Other File Types • For all other formats, WhatDiff provides: • File name, size, MD5 • Created & modified dates ###Why WhatDiff### • Supports multiple file sources (Photos, Files, Cloud) • Deep metadata comparison • Accurate checksum verification • Clear, structured results for quick insights Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Handy Color Converter4 screens
WhatDiff4 screens

Verdict

The call

The clearest difference is in-app purchases: Handy Color Converter at none against WhatDiff's 3. Handy Color Converter also leads on update cadence (monthly vs every 5 months). WhatDiff's advantage is ads (none vs shown). On price, device support and iOS requirement 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. WhatDiff sells 3 in-app purchases, starting at $2.99 per month. Handy Color Converter asks for nothing beyond the download.

UpkeepUpdate frequency

Handy Color Converter ships an update monthly, WhatDiff every 5 months. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Handy Color Converter versus WhatDiff: the parameters behind the verdict, then further details
ParameterHandy Color ConverterWhatDiff
PriceFreeFree
Update frequencyMonthly — betterEvery 5 months
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.4 — better
Further details — not scored
Size14 MB2 MB
Age rating17+4+
DeveloperWEI-LUN HUANGꠋ 陈

In-app purchases

None

Handy Color Converter

No in-app purchases

3 purchases

WhatDiff

Subscriptions2
  • WhatDiff Month Subscription$2.991 Month
  • WhatDiff Annual Subscription$12.991 Year
One-time1
  • WhatDiff Lifetime License$24.99

Questions

Is Handy Color Converter free?
Handy Color Converter is free to download, with no in-app purchases.
Is WhatDiff free?
WhatDiff is free to download, with in-app purchases available.
Do Handy Color Converter or WhatDiff have ads?
Handy Color Converter shows ads; WhatDiff does not.
Which is updated more often, Handy Color Converter or WhatDiff?
Handy Color Converter ships an update monthly, and WhatDiff every 5 months. Most recently, Handy Color Converter was updated on October 12, 2026 and WhatDiff on September 24, 2026.

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