Caesar Shift Plus vs Pululu

A Caesar cipher is one of the simplest encryption methods. It is a substitution cipher that involves replacing each letter of the secret message with a different letter of the alphabet which is a fixed number of positions further in the alphabet. With this app you can decrypt and encrypt messages with Caesar method.

Speak, and make it yours. Your first step becomes the easiest. Pululu is a language exchange app where you can connect with native speakers of your generation through calls and voice chat—backed by real-time translation. Worried you’ll freeze when you “can’t catch it” or “can’t say it”? It’s okay. With translation, the conversation doesn’t stop. Learn “real, living language” you can’t get from textbooks—through real conversations. 【Pululu Features】 ① Real-time translation for stress-free calls Even if you get stuck, it’s OK. That sense of safety lowers the hurdle and helps you start talking. ② Match with native speakers your age and practice via calls & voice chat In real conversations (English, Korean, and more), you naturally build “natural phrasing” and “quick responses.” ③ A speaking-first learning cycle Practice → Review → One more phrase you can say. The more you talk, the closer you get to the “you who can speak.” ④ A safe and supportive community 24/7 monitoring and support, so you can enjoy language exchange with peace of mind. 【Recommended for】 ・You want to try language exchange but feel too nervous to take the first step ・You love K-pop or K-dramas and want to speak Korean ・You want to learn natural expressions from native speakers in real conversations ・You want to casually voice chat with people from other countries Start with a stress-free call—with translation—on Pululu. Experience language learning that starts with your voice.