Hape Junior Inventor vs TempPro Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hape Junior Inventor
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.
- Builds STEAM toys
- Detailed instructions
- Sample experiment display
- Develops logical thinking
- Encourages creativity
- In-app sharing gallery
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To be a scientist is the ambition many children embrace while they are young. With sophisticated research and design, our Junior Inventor series of toys are capable of giving children as young as four the chance to interact with physical world. With well-crafted components, your little inventor will create a digger, a mechanical arm, a gravity vehicle, a crane, a rotating light, and much more. All tools and parts are designed for children's hands and skill levels and it’s great for developing children’s logical thinking and an understanding of Science, Technology, Engineering, Art and Mathematics (STEAM) principles. The completed experiments offer children great fun to operate and interact with friends – wave “hands” to say “hello”, drag a frog crossing between tables, or watch a moving picture through the zoetrope. How about inventing a never-tried gadget using your imagination? To help you start, Hape releases this "Know-how" APP with a finished sample display and detailed instructions teaching you how to build the experiments. Once your junior inventor become “senior”, they can always get full use of the components and tools to create wonders like a real inventor. Use the in-App sharing functions to upload your masterpieces in the GALLERY or post on social media. For safety reasons this product is not recommended for children under the age of three as it contains small components.
TempPro Sensor
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.
- Real-time temperature display
- Real-time humidity display
- Heat index display
- Historical data up to one year
- Customizable alarm function
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The TempPro Sensor APP, formerly known as ThermoPro Sensor, is designed to receive the temperature and humidity values measured by thermometers made by the industry leader TempPro. The APP displays real time temperature, humidity, heat index etc. Additionally, it can store historic data up to two years. An alarm function will alert you when the temperature or humidity is out of the set range.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Hape Junior Inventor | TempPro Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.7 (12K ratings) |
| Positive reviews | — | 46.7% of reviews |
| Number of ratings | 5 | 12K — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.1 — better |
| Further details — not scored | ||
| Size | 23 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Hape | iTronics Co., Limited |
Customer experience
Hape Junior Inventor
TempPro Sensor
Bugs and requests
Hape Junior Inventor
Not enough reviews yet to summarise bugs or requests.
TempPro Sensor
Reported bugs
3 issues- App unable to reconnect to sensors after closing
- Temperature and humidity history data not displaying correctly
- Sensor discovery issues after app updates
Requested features
4 requests- 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
In-app purchases
Hape Junior Inventor
No in-app purchases
TempPro Sensor
No in-app purchases
Questions
Is Hape Junior Inventor free?
Is TempPro Sensor free?
Which has better reviews, Hape Junior Inventor or TempPro Sensor?
Do Hape Junior Inventor or TempPro Sensor have ads?
Which is updated more often, Hape Junior Inventor or TempPro Sensor?
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