Apps like Connection Stabilizer Booster

Here are some great alternatives to Connection Stabilizer Booster by Supersonic Software :
5G 4G LTE WIFI & Network Tools
5G 4G LTE WIFI & Network Tools
★4.0
HSPA+ | H+ Signal Optimizer
HSPA+ | H+ Signal Optimizer
★4.1
Mobile Internet Quality Test
Mobile Internet Quality Test
★4.7
HSPA+ Optimizer Pro Version
HSPA+ Optimizer Pro Version
★3.9
5G & Wi-Fi internet speed test
5G & Wi-Fi internet speed test
★4.6
Internet Network Diagnostic
Internet Network Diagnostic
★4.5
5G Speed Test & WiFi Analyzer
5G Speed Test & WiFi Analyzer
★4.4
Network KeepAlive
Network KeepAlive
★3.6
WiFi net signal strength meter
WiFi net signal strength meter
★4.4
SignalCheck Pro
SignalCheck Pro
★4.0
Speedcheck
Speedcheck
★4.7
Force 4G/LTE Only Mode
Force 4G/LTE Only Mode
★4.3
4G Switcher LTE Only
4G Switcher LTE Only
★4.3
D-Link 4G Connect
D-Link 4G Connect
★3.9
Internet Speed Test, 4G Speed
Internet Speed Test, 4G Speed
★4.4
5G/4G LTE Only Network Mode
5G/4G LTE Only Network Mode
★3.7