Published by SCB Associates Ltd on 2019-03-30
1. Acoustic thermometers utilise the principle that the speed of sound in air changes with temperature; by measuring the speed of sound it is possible to calculate air temperature.
2. Measure indoor room temperature using your iPhone or iPad and headset (required).
3. Ondo® is an experimental acoustic thermometer implemented using an iPhone (or iPad) and headset.
4. Ondo® transmits a high frequency sound from the headset earpiece.
5. The time taken for the sound to travel between the earpiece and the microphone is very accurately measured to less than a millionth of a second.
6. This sound is received by the microphone positioned a short, fixed distance from the earpiece.
7. PLEASE NOTE - This app will only work with a headset connected and set up according to the instructions in the app.
8. Please do not buy this app if you do not have a suitable headset.
9. This app will not work with AirPods.
10. Liked Ondo? here are 5 Utilities apps like Map Thermometer for iPad; Thermometer for iPhone & iPod Touch - Get Temperature & Weather !; Thermometer - Temperature, humidity and atmospheric pressure measure.; INFRARED THERMOMETER; Map Thermometer;
Or follow the guide below to use on PC:
Select Windows version:
Install Ondo - Thermometer app on your Windows in 4 steps below:
Download a Compatible APK for PC
Download | Developer | Rating | Current version |
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Get APK for PC → | SCB Associates Ltd | 1.75 | 1.1 |
For Windows 11, check if there's a native Ondo Windows app here » ». If none, follow the steps below:
Minimum requirements | Recommended |
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Get Ondo on Apple macOS
Download | Developer | Reviews | Rating |
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Get $1.99 on Mac | SCB Associates Ltd | 16 | 1.75 |
Disappointed even mediocre expectation
Does not work!!
Rip off
Too much trouble