Apps like Dual Sim / Multi Sim Selector

Here are some great alternatives to Dual Sim / Multi Sim Selector by Steffen Strübe :
Dual Sim Dialer and Widget
Dual Sim Dialer and Widget
★4.2
Dual SIM Call blocker - Hush
Dual SIM Call blocker - Hush
★3.8
Contacts, Dialer and Phone
Contacts, Dialer and Phone
★4.4
SIM Card Info (Dual-Sim)
SIM Card Info (Dual-Sim)
★4.0
Phone & SIM Card
Phone & SIM Card
★4.3
Root Call SMS Manager
Root Call SMS Manager
★4.0
Auto Redial - Call Redialer
Auto Redial - Call Redialer
★4.0
SIM Card Info + SIM Contacts
SIM Card Info + SIM Contacts
★4.1
SIM Card Info Pro
SIM Card Info Pro
★4.3
Auto Redial | call timer Pro
Auto Redial | call timer Pro
★3.7
SIM Tool Manager
SIM Tool Manager
★3.9
Phone Manager: Signal, phone u
Phone Manager: Signal, phone u
★4.0
SIM Device Info
SIM Device Info
★4.4
My Photo Phone Dialer
My Photo Phone Dialer
★4.7
SIM Card Info
SIM Card Info
★3.9
SIM Contacts Manager
SIM Contacts Manager
★3.5