30 reviews
Content rating
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About this app

Major Version Up (4.5)
- Add Functions : Data auto upload, Data auto delete. Delete data are uploaded data and too short data.
- Improve Functions : Add graphical display on [Graph] tab for GPS accuracy.
- Bug Fix : App was quit when long recording on [Navi] tab.

Using this application, only the smartphone put on the vehicle dashboard, road bump can be detected. It can use for road maintenance in usual time, and earthquake damege research after the disaster.
When the recorded file is uploaded, road bump location map can be displayed by following URL by on your browser. http://smartprobe.org/bumprecorder/

If you want to contact us. : Twitter @BumpRecorder

How to use?
1. The smartphone put on the vehicle dashboard on horizontally or vertically, don't put on diagonally. [attention!!] We are strongly

recommend you, the smartphone should fix on the dashboard for your safety.

2. Press [REC] button, then road bump detection will be started. The vehicle is driven as usual.

3. Road bump size is displayed on the screen. [attention!!] DON'T look at the screen, when you drive the vehicle for your safety!

4. When measurement is finished, press [REC] button.

5. For upload files, press [Upload and Share] button at the screen of right top side, and select file, then upload will be start. It

takes few moments.

6. Then the driving route, the bump location will be displayed on the Google Maps. Circle diameter is defined by road bump size.

About data files
data files as follows. When upload will be done, these files will be uploaded.
- config file : yyyymmdd_hhmmss_Config.txt
measurement condition : start time, end time, measurement cycle, device name, etc
NOT include serial number

- acceleration data file : yyyymmdd_hhmmss_Accel.txt
acceleration data, road profile, etc

- GPS data file : yyyymmdd_hhmmss_GPS.txt
GPS information

- Bump data file : yyyymmdd_hhmmss_Bump.txt
Bump Height, Bump Length, etc

- Cell tower data file : yyyymmdd_hhmmss_CellInfo.txt
MCC, MNC, LAC, RNC, Cell-ID, etc
NOT include phone number

Twitter ID : @BumpRecorder
Updated on
Oct 12, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 3 others
This app may collect these data types
Location, Personal info and 3 others
Data isn’t encrypted
Data can’t be deleted

Ratings and reviews

27 reviews
A Google user
June 20, 2019
doesn't give you any information
1 person found this review helpful
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A Google user
August 21, 2016
IRI for AH26 road can easily be check.turn ur gps on.
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A Google user
November 24, 2016
Issue with GPS always showing Tokyo
2 people found this review helpful
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What's new

5.5.1 Required OS ver is 7.1.1 or later, bug fix
5.4.2 bug fix
5.4 re-new for OS13
5.3 re-new for OS11, bug fix
1) Fix for some phone can not record data. When it fail recording to Documents/BumpRecorder, to Android/data/jp.traffichazard.BumpRecorder/files instead.
2) Fix map disappear on [Navi] tab.
3) Delete "Measurement control by power supply" menu on [Setting] tab for OS8 or later.