# SecurePyro vs Calex PyroNFC

The clearest difference is ads: Calex PyroNFC at none against SecurePyro's shown. Calex PyroNFC also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (8.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SecurePyro ships an update every 5 months, Calex PyroNFC every 3 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | SecurePyro | Calex PyroNFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/calex-pyronfc/id1544238822/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 23 MB | 32 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SecurePyro S.R.L.](https://appshunter.io/developer/1057869079) | [Calex Electronics Limited](https://appshunter.io/developer/1544238824) |

## What reviewers say

### SecurePyro

[App page](https://appshunter.io/ios/app/securepyro/id1098552020)

**In-app purchases:** none


### Calex PyroNFC

[App page](https://appshunter.io/ios/app/calex-pyronfc/id1544238822)

Configure infrared temperature sensors and read their current temperature using your device. Save settings to your phone and transfer them wirelessly to the sensor via NFC. You can also use NFC to capture temperature readings directly from the sensor.

**Highlights:** Configure PyroNFC sensor settings, Save settings to iOS device, Transmit settings via NFC, Read temperature via NFC, Select temperature units (°C/°F), Set linear voltage output range, Configure alarm thresholds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SecurePyro free?

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

### Is Calex PyroNFC free?

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

### Do SecurePyro or Calex PyroNFC have ads?

SecurePyro shows ads; Calex PyroNFC does not.

### Which is updated more often, SecurePyro or Calex PyroNFC?

SecurePyro ships an update every 5 months, and Calex PyroNFC every 3 weeks. Most recently, SecurePyro was updated on October 29, 2026 and Calex PyroNFC on October 29, 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.*