# SnailJet vs Matte Viewer

The clearest difference is review sentiment: SnailJet at 100% against Matte Viewer's 0%. SnailJet also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 1). Matte Viewer's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Matte Viewer sells 1 one-off in-app purchase. SnailJet asks for nothing beyond the download.

SnailJet holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: SnailJet has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of SnailJet's written reviews are positive against 0% of Matte Viewer's.

SnailJet ships an update every 2 months, Matte Viewer monthly. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SnailJet | Matte Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/snailjet/id1446589156/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/matte-viewer/id6476831058/reviews) |
| Number of ratings | **14** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 3 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [dn5.co, LLC](https://appshunter.io/developer/1433602087) | [Héliographe, Inc](https://appshunter.io/developer/1784071997) |

## What reviewers say

### SnailJet

[App page](https://appshunter.io/ios/app/snailjet/id1446589156)

Create and send personalized physical postcards to loved ones. Easily design custom cards with your own photos and messages to bring lasting joy through traditional mail.

**Highlights:** Design custom postcards, Send real mail, Affordable pricing, Personalized messages, Photo integration

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

**In-app purchases:** none


### Matte Viewer

[App page](https://appshunter.io/ios/app/matte-viewer/id6476831058)

This app allows you to preview and export depth and semantic maps from your iPhone photos. It offers an elegant interface and supports desktop-class features on iPad and Mac. The app prioritizes user privacy and has a very small file size.

**Highlights:** Preview depth and semantic maps, Export mattes for 3rd party software, Elegant and information-dense interface, Desktop-class features on iPad/Mac, Privacy-focused with no tracking, Small app size

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Export | $4.99 | one-time |


## Frequently asked questions

### Is SnailJet free?

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

### Is Matte Viewer free?

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

### Which has better reviews, SnailJet or Matte Viewer?

SnailJet is rated higher. SnailJet averages 5.0 out of 5 from 14 ratings, while Matte Viewer averages 3.0 from 2 ratings.

### Do SnailJet or Matte Viewer have ads?

Neither SnailJet nor Matte Viewer shows ads.

### Which is updated more often, SnailJet or Matte Viewer?

SnailJet ships an update every 2 months, and Matte Viewer monthly. Most recently, SnailJet was updated on October 11, 2026 and Matte Viewer on October 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.*