iPv4Stuff! for Ladies app for iPhone and iPad

Ipv4 Stuff! for Ladies is a pedagogical tool that can be used to teach or learn about IPv4 addressing, including basic ANDing operations to find a network address, and very very flexible subnetting and VLSM calculations. All scenarios can be stored or shared by email.
iPv4Stuff! for Ladies is a special version tweaked for ladies.
Summary of all features:
- IPv4 Calculator. It includes an Interactive Network Form to play with IP Settings (host, gateway and network).
- Subnetting Calculator
- VLSM Calculator
- IPv4 Route Summarization tool
- Ping Monitoring tool
Optimized for iPhones 5, 5S, and iPhones 4, 4S.