# Thangs vs Primo Print3D

The clearest difference is review sentiment: Primo Print3D at 100% against Thangs's 24%. Primo Print3D also leads on rating (5.0 vs 3.0) and monetization model (free vs free with in-app purchases). Thangs's advantage is update cadence (weekly vs every 4 months) and ratings volume (117 vs 4). On price, ads, in-app purchases and device support there is nothing between them.

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

Primo Print3D holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Thangs has 117 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 24% of Thangs's written reviews are positive against 100% of Primo Print3D's.

Thangs ships an update weekly, Primo Print3D every 4 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Thangs | Primo Print3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (117 ratings)](https://appshunter.io/ios/app/thangs/id1636718933/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/primo-print3d/id6450800158/reviews)** |
| Number of ratings | **117** | 4 |
| Positive reviews | 23.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 60 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Physna, Inc](https://appshunter.io/developer/1636718935) | [RED WOLF TECHNOLOGY, INC](https://appshunter.io/developer/1640543804) |

## What reviewers say

### Thangs

[App page](https://appshunter.io/ios/app/thangs/id1636718933)

Explore the largest 3D model search engine with over 15 million models. Discover new creators and connect with a growing community for CAD, 3D printing, AR, and VR applications. Find or upload tens of thousands of models weekly across various 3D formats.

**Highlights:** Largest 3D search engine, Over 15 million 3D models, Discover 3D creators, Support for 30+ 3D formats, Filters for 3D printing, Connect with creators

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient 3D model search across multiple platforms
- 👍 Intuitive and clean user interface
- 💡 Image-based search functionality
- 🔄 Seamless syncing with website account
- 📱 Easy browsing on mobile devices

**What reviewers complain about**

- 🐛 App stuck on splash/loading screen (critical)
- 🖼️ Images fail to load or display
- 🔐 Login functionality broken with 2FA
- ⚠️ Frequent app crashes
- 🔗 Paywall blocking most content

**Reported bugs**

- App freezes on splash screen and never loads
- Image preview loading failures
- 2FA login code submission button hidden behind keyboard
- Email/password login not functional
- App crashes within minutes of use

**Requested features**

- Direct download functionality from mobile app
- Dark mode option
- Ability to view liked models on mobile
- Zoom functionality for model images
- Save to collections feature


### Primo Print3D

[App page](https://appshunter.io/ios/app/primo-print3d/id6450800158)

Design and print custom phone cases using your compatible 3D printer. Select from various styles and manage your connected devices directly through the app.

**Highlights:** Control compatible 3D printers, Design custom phone cases, Select phone case styles, Manage connected devices, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thangs free?

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

### Is Primo Print3D free?

Primo Print3D is free to download, with no in-app purchases.

### Which has better reviews, Thangs or Primo Print3D?

Primo Print3D is rated higher. Thangs averages 3.0 out of 5 from 117 ratings, while Primo Print3D averages 5.0 from 4 ratings.

### Do Thangs or Primo Print3D have ads?

Neither Thangs nor Primo Print3D shows ads.

### Which is updated more often, Thangs or Primo Print3D?

Thangs ships an update weekly, and Primo Print3D every 4 months. Most recently, Thangs was updated on September 25, 2026 and Primo Print3D on June 1, 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.*