# TempPro Sensor vs QR Mapper

The clearest difference is in-app purchases: TempPro Sensor at none against QR Mapper's 4. TempPro Sensor also leads on ratings volume (11K vs 1) and iOS requirement (13.1 vs 17.0). QR Mapper's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. QR Mapper sells 4 in-app purchases, starting at $8.99 per month. TempPro Sensor asks for nothing beyond the download.

QR Mapper holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: TempPro Sensor has 11K ratings behind it against 1, so its average is the more settled of the two.

TempPro Sensor ships an update every 2 months, QR Mapper every 6 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TempPro Sensor | QR Mapper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (11K ratings)](https://appshunter.io/ios/app/temppro-sensor/id1542573749/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qr-mapper/id6768617880/reviews)** |
| Number of ratings | **11K** | 1 |
| Positive reviews | 46.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Freemium |
| Size | 37 MB | 5 MB |
| Requires iOS | **13.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iTronics Co., Limited](https://appshunter.io/developer/1482729699) | [AutoFame](https://appshunter.io/developer/1841369447) |

## What reviewers say

### TempPro Sensor

[App page](https://appshunter.io/ios/app/temppro-sensor/id1542573749)

Monitor real-time temperature and humidity with historical data up to one year. Receive alerts when readings fall outside your set range, ensuring optimal conditions.

**Highlights:** Real-time temperature display, Real-time humidity display, Heat index display, Historical data up to one year, Customizable alarm function

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate temperature and humidity readings
- 👍 Easy to use app
- 🚀 Quick sensor connection
- 👍 Helpful for monitoring environments

**What reviewers complain about**

- 🐛 Devices disappear from app after closing
- 🐛 Frequent app crashes
- 🐛 Sensor data not saving properly
- 🐛 Buggy app updates
- 🔋 Short battery life for sensors

**Reported bugs**

- App unable to reconnect to sensors after closing
- Temperature and humidity history data not displaying correctly
- Sensor discovery issues after app updates

**Requested features**

- Add ability to export data to CSV
- Improve notification system to send alerts even when app is closed
- Add option to change sensor names
- Improve graph functionality to show more detailed historical data


### QR Mapper

[App page](https://appshunter.io/ios/app/qr-mapper/id6768617880)

Easily create and manage dynamic QR codes with customizable designs and real-time analytics. Build a shareable digital business card to instantly update your contact information, social links, and website. Offers tiered plans for individuals and businesses.

**Highlights:** Dynamic QR code generation, Real-time scan analytics, Customizable QR codes with logo, PIN-protected QR codes, Shareable digital business card, Multiple plan tiers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $8.99 | per month |
| Business Monthly | $28.99 | per month |
| Pro Yearly | $71.99 | per year |
| Business Yearly | $239.99 | per year |


## Frequently asked questions

### Is TempPro Sensor free?

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

### Is QR Mapper free?

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

### Which has better reviews, TempPro Sensor or QR Mapper?

QR Mapper is rated higher. TempPro Sensor averages 4.7 out of 5 from 11K ratings, while QR Mapper averages 5.0 from 1 ratings.

### Do TempPro Sensor or QR Mapper have ads?

Neither TempPro Sensor nor QR Mapper shows ads.

### Which is updated more often, TempPro Sensor or QR Mapper?

TempPro Sensor ships an update every 2 months, and QR Mapper every 6 weeks. Most recently, TempPro Sensor was updated on October 13, 2026 and QR Mapper 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.*