# ASO Keyword Optimizer PutKey vs Digia Preview

The clearest difference is in-app purchases: Digia Preview at none against ASO Keyword Optimizer PutKey's 2. Digia Preview also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). ASO Keyword Optimizer PutKey's advantage is update cadence (every 6 days vs every 3 weeks). 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. Digia Preview asks for nothing beyond the download.

ASO Keyword Optimizer PutKey ships an update every 6 days, Digia Preview every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ASO Keyword Optimizer PutKey | Digia Preview |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 20 MB | 83 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asim Can Yagiz](https://appshunter.io/developer/1654138936) | [Digia Tech](https://appshunter.io/developer/1743914989) |

## What reviewers say

### 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 |


### Digia Preview

[App page](https://appshunter.io/ios/app/digia-preview/id6499570725)

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

**In-app purchases:** none


## Frequently asked questions

### Is ASO Keyword Optimizer PutKey free?

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

### Is Digia Preview free?

Digia Preview is free to download, with no in-app purchases.

### Do ASO Keyword Optimizer PutKey or Digia Preview have ads?

ASO Keyword Optimizer PutKey shows ads; Digia Preview does not.

### Which is updated more often, ASO Keyword Optimizer PutKey or Digia Preview?

ASO Keyword Optimizer PutKey ships an update every 6 days, and Digia Preview every 3 weeks. Most recently, ASO Keyword Optimizer PutKey was updated on October 9, 2026 and Digia Preview on October 11, 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.*