# Modelar vs Robot72

The clearest difference is in-app purchases: Modelar at none against Robot72's 2. Modelar also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Robot72 sells 2 one-off in-app purchases. Modelar asks for nothing beyond the download.

Robot72 holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Modelar has 115 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 94% of Modelar's written reviews are positive against 100% of Robot72's.

Modelar ships an update weekly, Robot72 every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Modelar | Robot72 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (115 ratings)](https://appshunter.io/ios/app/modelar-3d-lidar-scanner/id1572844190/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/robot72-iss-sstv-decoder/id6764195382/reviews)** |
| Number of ratings | **115** | 14 |
| Positive reviews | 93.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 38 MB |
| Requires iOS | 18.6 | **18.2** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Modelar Technologies](https://appshunter.io/developer/1572844192) | [晨阳 段](https://appshunter.io/developer/1791560858) |

## What reviewers say

### Modelar

[App page](https://appshunter.io/ios/app/modelar-3d-lidar-scanner/id1572844190)

Capture 3D scans of real-world spaces using LiDAR technology. Review, measure, and export detailed point clouds and textured 3D models in various open formats. Ideal for field documentation and spatial data collection.

**Highlights:** Capture LiDAR scans, Create textured 3D models, Take 4K position-linked snapshots, Measure distances on-site, Export in common 3D formats, Browse captured images on device

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

**In-app purchases:** none


### Robot72

[App page](https://appshunter.io/ios/app/robot72-iss-sstv-decoder/id6764195382)

Decode and send slow-scan television (SSTV) images from ham radio or the International Space Station. View ISS passes, save and share your creations, and even fix distorted images. Offers a free version with limitations and a one-time purchase Pro option.

**Highlights:** Decode SSTV audio to images, Send photos via SSTV, View ISS pass predictions, Support for 31 SSTV modes, Image correction and history, Optional Pro version with WAV export

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Special Offer | $2.99 | one-time |
| Robot72 Pro | $4.99 | one-time |


## Frequently asked questions

### Is Modelar free?

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

### Is Robot72 free?

Robot72 is free to download, with in-app purchases available.

### Which has better reviews, Modelar or Robot72?

Robot72 is rated higher. Modelar averages 4.7 out of 5 from 115 ratings, while Robot72 averages 4.9 from 14 ratings.

### Do Modelar or Robot72 have ads?

Robot72 shows ads; Modelar does not.

### Which is updated more often, Modelar or Robot72?

Modelar ships an update weekly, and Robot72 every 3 weeks. Most recently, Modelar was updated on November 7, 2026 and Robot72 on November 9, 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.*