DevInstant vs Catalog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DevInstant
This utility app helps designers and developers quickly find color themes, symbols, icons, and characters. It offers features like color picking from images, Unicode character lookup, and code generation for design elements. It also includes unit conversion and device information.
- Color theme finder
- Symbol and icon library
- Unicode character lookup
- Code generation
- Unit conversion
- Image filters
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Welcome to DEVInstant, it is an easy&quick tool for designers and developers, support quickly find color themes, symbols, icons, character, views&controls and others, to help you get the information about these items. Help you easy to find design inspiration, improve the efficiency of development and creation. - About Color: System colors of ios and osx, light or dark mode. Many color cards and gradient themes. HTML5 standard colors and Web safe colors. Find color with Color palette, Effect previews. Picker color from image. - About Symbol: ios and osx system symbols & images. Unicode symbol characters. Emoji symbols. SF Symbols. - About Character: Unicode Character Encyclopedia. HTML5 entity character table. System FontStyle viewing. - Code generation: Copy the value, name, code of the color, character or symbol to clipboard. - Quick Searching: Searching with keywords and values. - Views&Controls: Explore the appearance of various types of views and controls in iOS. - Image Filters: CoreImage's Image Filters browsing, viewing features. - Others: Apple devices information and resolution query. Unit conversion features, support length, area, volume, pressure, mass, energy..., 19 kinds. Accelerometer, magnetometer, gyroscope data display MD5, SHA, BASE64 encoder
Catalog
Explore and interact with a comprehensive library of iOS UI components. See live demos, view code snippets, and compare UIKit and SwiftUI elements before integrating them into your projects. Ideal for learning and development.
- Live demos of UI components
- Copyable code snippets
- UIKit and SwiftUI comparison
- Filter and search functionality
- Favorites and recently viewed
- Native iOS UI reference
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Browse and try iOS UI components in one place. Buttons, pickers, sliders, alerts, toolbars, and more—see how they look and behave before you build. WHAT'S INSIDE • Controls — Buttons, menus, segmented controls, sliders, switches, steppers, text fields, search bars, page controls • Pickers — Date picker, color picker, font picker, image picker, custom picker view • Views — Activity indicators, alerts and action sheets, text views, image views, progress views, stack views, toolbars, visual effects, WebView • SwiftUI — Parallel demos for key SwiftUI components EASY TO USE • Tap any component to see a live demo • View code snippets and copy them into your project • Filter by tag: UIKit, Controls, Views, Pickers, SwiftUI • Search the full catalogue by name • Add items to Favorites and see Recently Viewed FOR DEVELOPERS • Reference app for native iOS UI • See default and custom configurations • Copy-paste code for each component • Compare UIKit and SwiftUI side by side Perfect for learning iOS UI, checking system styles, or building your next app. No account required to browse—just open and explore.
Screenshots
Verdict
The clearest difference is review sentiment: DevInstant at 100% against Catalog's 0%. DevInstant also leads on rating (4.0 vs 3.0) and ads (none vs shown). On price, ratings volume, in-app purchases and monetization model 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
Both are free to download. DevInstant sells 2 in-app purchases, starting at $1.99 per year and Catalog sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
DevInstant holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 100% of DevInstant's written reviews are positive against 0% of Catalog's.
DevInstant ships an update monthly, Catalog every 35 months. The most recent releases landed on October 6, 2026 and September 22, 2026 respectively.
| Parameter | DevInstant | Catalog |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Monthly — better | Every 35 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 24 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | 苏斌 牟 | Alok Singh |
Customer experience
DevInstant
Catalog
In-app purchases
DevInstant
- Yearly Subscription$1.991 Year
- Official Version$5.99
Catalog
- Premium$0.99





