# DevInstant vs Catalog

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.

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.

## The numbers

| Metric | DevInstant | Catalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/devinstant-designer-and-developer/id1572671565/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/catalog-ui/id6446035510/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 35 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 51 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [苏斌 牟](https://appshunter.io/developer/1193064207) | [Alok Singh](https://appshunter.io/developer/1508795536) |

## What reviewers say

### DevInstant

[App page](https://appshunter.io/ios/app/devinstant-designer-and-developer/id1572671565)

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.

**Highlights:** Color theme finder, Symbol and icon library, Unicode character lookup, Code generation, Unit conversion, Image filters

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $1.99 | per year |
| Official Version | $5.99 | one-time |


### Catalog

[App page](https://appshunter.io/ios/app/catalog-ui/id6446035510)

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.

**Highlights:** Live demos of UI components, Copyable code snippets, UIKit and SwiftUI comparison, Filter and search functionality, Favorites and recently viewed, Native iOS UI reference

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is DevInstant free?

DevInstant is free to download, with in-app purchases available.

### Is Catalog free?

Catalog is free to download, with in-app purchases available.

### Which has better reviews, DevInstant or Catalog?

DevInstant is rated higher. DevInstant averages 4.0 out of 5 from 4 ratings, while Catalog averages 3.0 from 2 ratings.

### Do DevInstant or Catalog have ads?

Catalog shows ads; DevInstant does not.

### Which is updated more often, DevInstant or Catalog?

DevInstant ships an update monthly, and Catalog every 35 months. Most recently, DevInstant was updated on October 6, 2026 and Catalog on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*