Comparison

Hape Junior Inventor vs TempPro Sensor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Builds STEAM toys
  • Detailed instructions
  • Sample experiment display
  • Develops logical thinking
  • Encourages creativity
  • In-app sharing gallery
Features
Read full description

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.

About

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.

Highlights
  • Real-time temperature display
  • Real-time humidity display
  • Heat index display
  • Historical data up to one year
  • Customizable alarm function
Features
Read full description

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

Hape Junior Inventor4 screens
TempPro Sensor4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Hape Junior Inventor versus TempPro Sensor: the parameters behind the verdict, then further details
ParameterHape Junior InventorTempPro Sensor
PriceFreeFree
Rating5.0 (5 ratings) — better4.7 (12K ratings)
Positive reviews—46.7% of reviews
Number of ratings512K — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.1 — better
Further details — not scored
Size23 MB37 MB
Age rating4+4+
DeveloperHapeiTronics Co., Limited

Customer experience

Hape Junior Inventor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

TempPro Sensor

All ratings12,235 ratings
Positive93.5%
Neutral2.7%
Negative3.8%
Written reviews668 reviews
Positive46.7%
Neutral14.5%
Negative38.8%

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

None

Hape Junior Inventor

No in-app purchases

None

TempPro Sensor

No in-app purchases

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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