Apps like InAppBilling

Here are some great alternatives to InAppBilling by DroidArea13 :
FREEKASSA
FREEKASSA
★3.8
Свой бизнес от Россельхозбанка
Свой бизнес от Россельхозбанка
★5.0
Electricity Bill Viewer App
Electricity Bill Viewer App
★3.6
eSanduče
eSanduče
★3.4
DubeAle
DubeAle
★4.4
Billhere - POS Billing & More
Billhere - POS Billing & More
★4.5
Kokopay
Kokopay
★4.8
Any Bill Pakistan
Any Bill Pakistan
★4.3
Berkshire Gas
Berkshire Gas
★4.3
TagihanPulsa: Isi Pulsa
TagihanPulsa: Isi Pulsa
★4.8
Billeez POS - Easy Billing App
Billeez POS - Easy Billing App
★4.8
BILL AP & AR Business Payments
BILL AP & AR Business Payments
★4.5
Vidyut Sahayogi
Vidyut Sahayogi
★3.8
AlinmaPay E-Wallet
AlinmaPay E-Wallet
★4.6
Checkout (In-App Billing v.3)
Checkout (In-App Billing v.3)
★4.2
MyBillPayment
MyBillPayment
★3.9