Apps like RBB SPEED TEST

Here are some great alternatives to RBB SPEED TEST by 株式会社イード(IID, Inc.) :
V-SPEED Speed Test
V-SPEED Speed Test
★4.8
Internet Speed Meter - Live
Internet Speed Meter - Live
★4.2
5GMARK Speed & Quality Test
5GMARK Speed & Quality Test
★4.0
Network speed test & dBm chart
Network speed test & dBm chart
★4.2
Speed Test For Wifi & Internet
Speed Test For Wifi & Internet
★4.3
FIREPROBE Speed Test
FIREPROBE Speed Test
★4.8
WiFi Internet Speed Test
WiFi Internet Speed Test
★4.4
データお預かり - アドレス帳や写真などをバックアップ
データお預かり - アドレス帳や写真などをバックアップ
★4.0
Speed test 4G 5G WiFi & maps
Speed test 4G 5G WiFi & maps
★4.7
Speed Test by SPEEDGEO
Speed Test by SPEEDGEO
★4.7
Mobile Internet Quality Test
Mobile Internet Quality Test
★4.7
Speed Test | HighSpeedInternet
Speed Test | HighSpeedInternet
★4.6
Speed Test - Test WiFi Speed
Speed Test - Test WiFi Speed
★4.2
Internet Speed Test - 5G Speed
Internet Speed Test - 5G Speed
★4.3
My SoftBank
My SoftBank
★4.2
PDC ダメージ計算
PDC ダメージ計算
★5.0