# IR master vs TuanPets

The clearest difference is in-app purchases: IR master at none against TuanPets's 2. IR master also leads on iOS requirement (13.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TuanPets sells 2 in-app purchases, starting at $3.99 per month. IR master asks for nothing beyond the download.

IR master ships an update every 3 months, TuanPets every 2 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IR master | TuanPets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ir-master/id1614218116/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 77 MB | 4 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [InfiRay Technologies Co.,Ltd.](https://appshunter.io/developer/1516230719) | [玉龙 童](https://appshunter.io/developer/1886307523) |

## What reviewers say

### IR master

[App page](https://appshunter.io/ios/app/ir-master/id1614218116)

This application transforms your smartphone into a high-resolution infrared thermal imager. It offers detailed temperature data output for various applications, from industrial inspections to personal health monitoring.

**Highlights:** High-resolution infrared thermal imaging, Real-time temperature data output, Wide range of application directions, Consumer-level infrared thermography, Night vision capabilities

**Features:** macOS Compatibility

**In-app purchases:** none


### TuanPets

[App page](https://appshunter.io/ios/app/tuanpets/id6761881471)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $34.99 | per year |


## Frequently asked questions

### Is IR master free?

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

### Is TuanPets free?

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

### Do IR master or TuanPets have ads?

Neither IR master nor TuanPets shows ads.

### Which is updated more often, IR master or TuanPets?

IR master ships an update every 3 months, and TuanPets every 2 months. Most recently, IR master was updated on October 14, 2026 and TuanPets on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*