# IR Heat Map vs Night‑Vision

The clearest difference is in-app purchases: IR Heat Map at none against Night‑Vision's 1. IR Heat Map also leads on iOS requirement (13.0 vs 15.6). Night‑Vision's advantage is update cadence (every 9 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Night‑Vision sells 1 in-app purchase, starting at $1.99 per 7 days. IR Heat Map asks for nothing beyond the download.

IR Heat Map ships an update every 5 weeks, Night‑Vision every 9 days. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IR Heat Map | Night‑Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ir-heat-map/id6740187644/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 71 MB | 32 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [永强 陈](https://appshunter.io/developer/1771010405) | [燕燕 林](https://appshunter.io/developer/1675436596) |

## What reviewers say

### IR Heat Map

[App page](https://appshunter.io/ios/app/ir-heat-map/id6740187644)

This thermal imager app integrates temperature measurement and imaging, offering a wide range from -20 to 550℃. It supports wireless screen projection and real-time analysis for various applications like HVAC, electrical maintenance, and equipment inspection.

**Highlights:** Temperature measurement (-20 to 550℃), Infrared thermal imaging, Wireless screen projection, Real-time analysis, Ease of use, Image observation via APP

**In-app purchases:** none


### Night‑Vision

[App page](https://appshunter.io/ios/app/nightvision-camera/id6787823785)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Night‑Vision Premium | $1.99 | per 7 days |


## Frequently asked questions

### Is IR Heat Map free?

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

### Is Night‑Vision free?

Night‑Vision is free to download, with in-app purchases available.

### Do IR Heat Map or Night‑Vision have ads?

Neither IR Heat Map nor Night‑Vision shows ads.

### Which is updated more often, IR Heat Map or Night‑Vision?

IR Heat Map ships an update every 5 weeks, and Night‑Vision every 9 days. Most recently, IR Heat Map was updated on October 5, 2026 and Night‑Vision on October 6, 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.*