# IR master vs Thermal Camera

The clearest difference is rating: Thermal Camera at 4.3 against IR master's 3.7. Thermal Camera also leads on ratings volume (400 vs 3). IR master's advantage is in-app purchases (none vs 4). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Thermal Camera sells 4 in-app purchases, starting at $2.99 per 7 days. IR master asks for nothing beyond the download.

Thermal Camera holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Thermal Camera has 400 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 27% of IR master's written reviews are positive against 30% of Thermal Camera's.

IR master ships an update every 3 months, Thermal Camera every 2 months. The most recent releases landed on July 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | IR master | Thermal Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/ir-master/id1614218116/reviews) | **[4.3 (400 ratings)](https://appshunter.io/ios/app/thermal-camera-night-vision/id6450264889/reviews)** |
| Number of ratings | 3 | **400** |
| Positive reviews | 26.7% of reviews | **30.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Subscription |
| Size | 77 MB | 14 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [InfiRay Technologies Co.,Ltd.](https://appshunter.io/developer/1516230719) | [Saken Erzhanev](https://appshunter.io/developer/1692552059) |

## 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


### Thermal Camera

[App page](https://appshunter.io/ios/app/thermal-camera-night-vision/id6450264889)

Transform ordinary videos into extraordinary visual experiences with a variety of unique effects like thermal, night vision, and x-ray. Record new footage or import existing videos, preview effects in real-time, and easily save or share your creations.

**Highlights:** Capture or import videos, Thermal, night vision, x-ray effects, Psychedelic video filters, Real-time effect preview, Save and share creations

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermal Cam Premium Week Promo | $2.99 | per 7 days |
| Thermal Camera Premium Weekly | $4.99 | per 7 days |
| Thermal Camera Premium Monthly | $14.99 | per month |
| Thermal Camera Premium Annual | $39.99 | per year |

**What reviewers like**

- 😊 Users love the app's core functionality when it works
- 💾 Ability to save thermal images to phone
- 👍 Easy to use interface
- 🎨 Visually appealing thermal effects

**What reviewers complain about**

- 💰 Aggressive paywall and subscription model
- 🚫 Limited free version functionality
- ❌ App doesn't work as advertised thermal camera
- 🔍 Detects light, not actual heat/temperature
- 😤 Misleading free-to-play presentation

**Reported bugs**

- Thermal video upload fails
- App doesn't detect heat from hands/objects
- Only applies visual filters instead of thermal detection
- Crashes or freezes on certain iPhone models (12 mini reported)
- Misleading 'Get' button that leads to paywall instead of free access

**Requested features**

- Functional free trial or demo mode before requiring payment
- Clear pricing disclosure before download
- Actual thermal imaging capability, not just filters
- Better documentation on how to use limited free features
- Real temperature detection functionality


## Frequently asked questions

### Is IR master free?

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

### Is Thermal Camera free?

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

### Which has better reviews, IR master or Thermal Camera?

Thermal Camera is rated higher. IR master averages 3.7 out of 5 from 3 ratings, while Thermal Camera averages 4.3 from 400 ratings.

### Do IR master or Thermal Camera have ads?

Neither IR master nor Thermal Camera shows ads.

### Which is updated more often, IR master or Thermal Camera?

IR master ships an update every 3 months, and Thermal Camera every 2 months. Most recently, IR master was updated on July 7, 2026 and Thermal Camera on September 18, 2026.

---

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