# Smart Urinal vs Thermal Viewer

The clearest difference is in-app purchases: Smart Urinal at none against Thermal Viewer's 3. Smart Urinal also leads on iOS requirement (10.3 vs 15.0). Thermal Viewer's advantage is update cadence (every 5 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Thermal Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. Smart Urinal asks for nothing beyond the download.

Smart Urinal ships an update every 4 months, Thermal Viewer every 5 days. The most recent releases landed on October 27, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Smart Urinal | Thermal Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thermal-viewer-ir-analyzer/id6779991634/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 40 MB | 35 MB |
| Requires iOS | **10.3** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [KWC Aquarotter GmbH](https://appshunter.io/developer/1617163047) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### Smart Urinal

[App page](https://appshunter.io/ios/app/smart-urinal/id1617163045)

**In-app purchases:** none


### Thermal Viewer

[App page](https://appshunter.io/ios/app/thermal-viewer-ir-analyzer/id6779991634)

Analyze radiometric thermal images directly on your iPhone, iPad, or Mac. This app supports various thermal camera file formats and allows for detailed temperature analysis, including spot measurements, color palettes, and live re-analysis. Export data and images for professional use, all while keeping your data private and offline.

**Highlights:** Radiometric thermal image analysis, Temperature measurement (spot, box, ellipse, line), Multiple color palettes, Live re-analysis with adjustable parameters, Visible-light blend and MSX-style overlay, Export temperature matrix to CSV, Batch export of images and settings

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $29.99 | per year |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Smart Urinal free?

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

### Is Thermal Viewer free?

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

### Do Smart Urinal or Thermal Viewer have ads?

Neither Smart Urinal nor Thermal Viewer shows ads.

### Which is updated more often, Smart Urinal or Thermal Viewer?

Smart Urinal ships an update every 4 months, and Thermal Viewer every 5 days. Most recently, Smart Urinal was updated on October 27, 2026 and Thermal Viewer on November 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.*