# UNV vs Trace Drawing Projector

The clearest difference is in-app purchases: UNV at none against Trace Drawing Projector's 4. UNV also leads on iOS requirement (13.0 vs 18.0). Trace Drawing Projector's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Trace Drawing Projector sells 4 one-off in-app purchases. UNV asks for nothing beyond the download.

UNV ships an update every 6 months, Trace Drawing Projector weekly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | UNV | Trace Drawing Projector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (29 ratings)](https://appshunter.io/ios/app/trace-drawing-projector/id6742400444/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 103 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [西安宇视信息科技有限公司](https://appshunter.io/developer/1590845876) | [Astro Photons](https://appshunter.io/developer/688779833) |

## What reviewers say

### UNV

[App page](https://appshunter.io/ios/app/unv-ezcontrol/id6471396699)

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

**In-app purchases:** none


### Trace Drawing Projector

[App page](https://appshunter.io/ios/app/trace-drawing-projector/id6742400444)

Transform photos into sketches and trace them onto paper with ease. Access over 400 templates or import your own images to practice drawing techniques and improve your skills, even offline.

**Highlights:** Import and trace any image, Over 400 drawing templates, Lightbox mode for easy tracing, Adjustable brightness and flashlight, Save favorite templates, Offline functionality, Improve drawing skills

**Features:** Family Sharing, iMessage stickers, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learn to Draw AR: Step-by-Step | $1.99 | one-time |
| Flower & Botanical AR Drawing | $1.99 | one-time |
| Tattoo & Ink Drawing AR Pack | $1.99 | one-time |
| Animals & Pets AR Drawing | $1.99 | one-time |


## Frequently asked questions

### Is UNV free?

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

### Is Trace Drawing Projector free?

Trace Drawing Projector is free to download, with in-app purchases available.

### Do UNV or Trace Drawing Projector have ads?

Neither UNV nor Trace Drawing Projector shows ads.

### Which is updated more often, UNV or Trace Drawing Projector?

UNV ships an update every 6 months, and Trace Drawing Projector weekly. Most recently, UNV was updated on October 10, 2026 and Trace Drawing Projector on October 24, 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.*