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
Mobile speed test internet
Mobile speed test internet
★4.4
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
★4.1
FIREPROBE Speed Test
FIREPROBE Speed Test
★4.8
Speed test 4G 5G WiFi & maps
Speed test 4G 5G WiFi & maps
★4.7
Mobile Internet Quality Test
Mobile Internet Quality Test
★4.0
Speed Test - Test WiFi Speed
Speed Test - Test WiFi Speed
★4.3
Speed Test by SPEEDGEO
Speed Test by SPEEDGEO
★4.8
PDC ダメージ計算
PDC ダメージ計算
★5.0
Internet Speed Test - 5G Speed
Internet Speed Test - 5G Speed
★4.1
My SoftBank
My SoftBank
★4.3
Speed Test-Test internet speed
Speed Test-Test internet speed
★4.9
5G Speed Test
5G Speed Test
★4.7
SpeedTest | Speed Test
SpeedTest | Speed Test
★4.0
Internet speed test by Meter.n
Internet speed test by Meter.n
★4.4