# PDF Crisp View vs Silly Smile Studio

The clearest difference is ads: PDF Crisp View at none against Silly Smile Studio's shown. Silly Smile Studio's advantage is update cadence (every 9 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Crisp View ships an update every 6 months, Silly Smile Studio every 9 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF Crisp View | Silly Smile Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-crisp-view-scannermaker/id6754379195/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 75 MB | 58 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Running River Network Technology Limited](https://appshunter.io/developer/1804246053) | [Ha Bui Thi Minh](https://appshunter.io/developer/6773002182) |

## What reviewers say

### PDF Crisp View

[App page](https://appshunter.io/ios/app/pdf-crisp-view-scannermaker/id6754379195)

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

**In-app purchases:** none


### Silly Smile Studio

[App page](https://appshunter.io/ios/app/silly-smile-studio/id6779997660)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Crisp View free?

PDF Crisp View is free to download, with no in-app purchases.

### Is Silly Smile Studio free?

Silly Smile Studio is free to download, with no in-app purchases.

### Do PDF Crisp View or Silly Smile Studio have ads?

Silly Smile Studio shows ads; PDF Crisp View does not.

### Which is updated more often, PDF Crisp View or Silly Smile Studio?

PDF Crisp View ships an update every 6 months, and Silly Smile Studio every 9 days. Most recently, PDF Crisp View was updated on November 8, 2026 and Silly Smile Studio on November 5, 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.*