# Hape Junior Inventor vs TempPro Sensor

The clearest difference is ratings volume: TempPro Sensor at 12K against Hape Junior Inventor's 5. TempPro Sensor also leads on iOS requirement (13.1 vs 16.0). Hape Junior Inventor's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Hape Junior Inventor holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: TempPro Sensor has 12K ratings behind it against 5, so its average is the more settled of the two.

Hape Junior Inventor ships an update every 4 months, TempPro Sensor every 2 months. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Hape Junior Inventor | TempPro Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/hape-junior-inventor/id1439294470/reviews)** | [4.7 (12K ratings)](https://appshunter.io/ios/app/temppro-sensor/id1542573749/reviews) |
| Number of ratings | 5 | **12K** |
| Positive reviews | — | 46.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 23 MB | 37 MB |
| Requires iOS | 16.0 | **13.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hape](https://appshunter.io/developer/1324043096) | [iTronics Co., Limited](https://appshunter.io/developer/1482729699) |

## What reviewers say

### Hape Junior Inventor

[App page](https://appshunter.io/ios/app/hape-junior-inventor/id1439294470)

This app guides children aged four and up in building various STEAM-focused toys. It provides detailed instructions and a sample display to help young inventors create diggers, mechanical arms, and more, fostering logical thinking and creativity.

**Highlights:** Builds STEAM toys, Detailed instructions, Sample experiment display, Develops logical thinking, Encourages creativity, In-app sharing gallery

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Hape Junior Inventor free?

Hape Junior Inventor is free to download, with no in-app purchases.

### Is TempPro Sensor free?

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

### Which has better reviews, Hape Junior Inventor or TempPro Sensor?

Hape Junior Inventor is rated higher. Hape Junior Inventor averages 5.0 out of 5 from 5 ratings, while TempPro Sensor averages 4.7 from 12K ratings.

### Do Hape Junior Inventor or TempPro Sensor have ads?

Neither Hape Junior Inventor nor TempPro Sensor shows ads.

### Which is updated more often, Hape Junior Inventor or TempPro Sensor?

Hape Junior Inventor ships an update every 4 months, and TempPro Sensor every 2 months. Most recently, Hape Junior Inventor was updated on October 25, 2026 and TempPro Sensor on November 1, 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.*