# TinyScope vs Previewly

The clearest difference is review sentiment: Previewly at 100% against TinyScope's 23%. Previewly also leads on rating (5.0 vs 2.1). TinyScope's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

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

Previewly holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: TinyScope has 20 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 23% of TinyScope's written reviews are positive against 100% of Previewly's.

TinyScope ships an update every 2 weeks, Previewly every 2 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TinyScope | Previewly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (20 ratings)](https://appshunter.io/ios/app/tinyscope/id1479790986/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/previewly-video-safe-zone/id6748048131/reviews)** |
| Number of ratings | **20** | 1 |
| Positive reviews | 23.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 97 MB | 32 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tinyphoton (Wuhan) Technology. Co., Ltd.](https://appshunter.io/developer/1470898020) | [SD Trends](https://appshunter.io/developer/1646872307) |

## What reviewers say

### TinyScope

[App page](https://appshunter.io/ios/app/tinyscope/id1479790986)

Transform your smartphone into a portable microscope with this companion app. Capture detailed photos and videos of objects up close, turning your device into a mobile lab. Essential for exploring the microscopic world on the go.

**Highlights:** Mobile microscope functionality, Capture photos, Record videos, Usage instructions, Accessory integration

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is TinyScope free?

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

### Is Previewly free?

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

### Which has better reviews, TinyScope or Previewly?

Previewly is rated higher. TinyScope averages 2.1 out of 5 from 20 ratings, while Previewly averages 5.0 from 1 ratings.

### Do TinyScope or Previewly have ads?

Previewly shows ads; TinyScope does not.

### Which is updated more often, TinyScope or Previewly?

TinyScope ships an update every 2 weeks, and Previewly every 2 months. Most recently, TinyScope was updated on October 15, 2026 and Previewly on October 7, 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.*