# Dynamic Color vs ASO Keyword Optimizer PutKey

The clearest difference is in-app purchases: Dynamic Color at none against ASO Keyword Optimizer PutKey's 2. Dynamic Color also leads on ads (none vs shown). ASO Keyword Optimizer PutKey's advantage is update cadence (every 6 days vs every 21 months) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. ASO Keyword Optimizer PutKey sells 2 in-app purchases, starting at $2.99 per month. Dynamic Color asks for nothing beyond the download.

Dynamic Color ships an update every 21 months, ASO Keyword Optimizer PutKey every 6 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Dynamic Color | ASO Keyword Optimizer PutKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dynamic-color/id1516244934/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 0 MB | 20 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sean Ho](https://appshunter.io/developer/293123595) | [Asim Can Yagiz](https://appshunter.io/developer/1654138936) |

## What reviewers say

### Dynamic Color

[App page](https://appshunter.io/ios/app/dynamic-color/id1516244934)

This app allows developers to preview adaptable and semantic colors for iOS interfaces. It supports both light and dark appearances, making it easy to visualize how colors will render in different system modes. Essential for SwiftUI and UIKit development.

**Highlights:** Preview adaptable colors, Preview semantic colors, Supports SwiftUI, Supports UIKit, Toggle light/dark appearance

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

**In-app purchases:** none


### ASO Keyword Optimizer PutKey

[App page](https://appshunter.io/ios/app/aso-keyword-optimizer-putkey/id6478461133)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access (Monthly) | $2.99 | per month |
| Unlimited Access (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is Dynamic Color free?

Dynamic Color is free to download, with no in-app purchases.

### Is ASO Keyword Optimizer PutKey free?

ASO Keyword Optimizer PutKey is free to download, with in-app purchases available.

### Do Dynamic Color or ASO Keyword Optimizer PutKey have ads?

ASO Keyword Optimizer PutKey shows ads; Dynamic Color does not.

### Which is updated more often, Dynamic Color or ASO Keyword Optimizer PutKey?

Dynamic Color ships an update every 21 months, and ASO Keyword Optimizer PutKey every 6 days. Most recently, Dynamic Color was updated on October 24, 2026 and ASO Keyword Optimizer PutKey on October 9, 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.*