# Previewly vs dioptify

The clearest difference is in-app purchases: dioptify at none against Previewly's 2. dioptify also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Previewly sells 2 in-app purchases, starting at $2.99 per month. dioptify asks for nothing beyond the download.

## The numbers

| Metric | Previewly | dioptify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/previewly-video-safe-zone/id6748048131/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SD Trends](https://appshunter.io/developer/1646872307) | [Adrian Peivareh](https://appshunter.io/developer/868349982) |

## What reviewers say

### Previewly

[App page](https://appshunter.io/ios/app/previewly-video-safe-zone/id6748048131)

Visualize how your vertical videos will appear on platforms like TikTok, Reels, and Shorts with realistic UI overlays and safe zone guides. Ensure your content, text, and calls-to-action are perfectly placed to avoid being cut off or hidden by platform interfaces.

**Highlights:** Real UI overlays for TikTok, Reels, Shorts, Snapchat, Platform-specific safe zone indicators, Instant cross-platform comparison, Mobile screen frame simulation, Crop, trim, and export optimized videos, Templates for trending styles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Month | $2.99 | per month |
| PRO Year | $24.99 | per year |


### dioptify

[App page](https://appshunter.io/ios/app/dioptify-blur-faces/id6794335162)

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

**In-app purchases:** none


## Frequently asked questions

### Is Previewly free?

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

### Is dioptify free?

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

### Do Previewly or dioptify have ads?

Previewly shows ads; dioptify does not.

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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.*