# Polymer vs 3D Object & Room Scanner

The clearest difference is review sentiment: Polymer at 81% against 3D Object & Room Scanner's 33%. Polymer also leads on ads (none vs shown) and rating (4.7 vs 4.4). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Polymer sells 4 one-off in-app purchases and 3D Object & Room Scanner sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Polymer holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Polymer has 1.7K ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 81% of Polymer's written reviews are positive against 33% of 3D Object & Room Scanner's.

Polymer ships an update monthly, 3D Object & Room Scanner every 2 months. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Polymer | 3D Object & Room Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/polymer-octoprint-3d-printing/id1260531874/reviews)** | [4.4 (28 ratings)](https://appshunter.io/ios/app/3d-object-and-room-scanner/id6480382590/reviews) |
| Number of ratings | **1.7K** | 28 |
| Positive reviews | **80.7% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 34 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lachlan Bell](https://appshunter.io/developer/1260531873) | [Nicolo Stanciu](https://appshunter.io/developer/930855677) |

## What reviewers say

### Polymer

[App page](https://appshunter.io/ios/app/polymer-octoprint-3d-printing/id1260531874)

Manage your 3D printer remotely from your mobile device. Monitor print progress with live camera feeds, view status updates, and control printer functions. Offers an optional upgrade for advanced features and multiple printer support.

**Highlights:** Live camera streaming, Print status monitoring, Start, stop, and pause prints, Control heater temperatures, File management and viewing, Remote access integration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kind Tip | $2.99 | one-time |
| Polymer Pro | $9.99 | one-time |
| Generous Tip | $9.99 | one-time |
| Incredible Tip | $14.99 | one-time |

**What reviewers like**

- 👍 Excellent interface and design
- 🚀 Responsive and efficient
- 💡 Great features for controlling 3D printers
- 🔒 Secure connection to OctoPrint
- 🎨 Beautiful and clean UI

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔍 Missing some advanced features like plugins
- ⏱️ Slow response times in some cases
- 🔔 Lack of notifications for print completion

**Reported bugs**

- Camera feed not working consistently
- Settings screen not loading properly on some devices
- Printer connection issues after app updates

**Requested features**

- Landscape mode support for tablets
- Temperature graphs and print progress indicators
- Ability to remotely control printer via VPN
- Push notifications for print status updates


### 3D Object & Room Scanner

[App page](https://appshunter.io/ios/app/3d-object-and-room-scanner/id6480382590)

Capture real-world objects and spaces in 3D using your device's LiDAR sensor. View scans in AR, export them in various formats, and sync them across devices. Ideal for hobbyists, designers, and anyone interested in 3D modeling and augmented reality.

**Highlights:** 3D scanning of objects and spaces, AR viewing of scans, Export in USDZ, STL, PLY, ABC, OBJ, Video capture of 3D models, iCloud Sync for models, Requires LiDAR-enabled iPhone/iPad

**Features:** Family Sharing, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $0.99 | per month |
| Unlimited Yearly | $9.99 | per year |
| Unlimited Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Polymer free?

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

### Is 3D Object & Room Scanner free?

3D Object & Room Scanner is free to download, with in-app purchases available.

### Which has better reviews, Polymer or 3D Object & Room Scanner?

Polymer is rated higher. Polymer averages 4.7 out of 5 from 1.7K ratings, while 3D Object & Room Scanner averages 4.4 from 28 ratings.

### Do Polymer or 3D Object & Room Scanner have ads?

3D Object & Room Scanner shows ads; Polymer does not.

### Which is updated more often, Polymer or 3D Object & Room Scanner?

Polymer ships an update monthly, and 3D Object & Room Scanner every 2 months. Most recently, Polymer was updated on November 11, 2026 and 3D Object & Room Scanner on November 8, 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.*