# What is EPG: Complete Guide to Electronic Program Guide

> EPG (Electronic Program Guide) is the electronic, interactive TV schedule shown on a device. "TV Guide" and EPG are synonyms. Data formats are XMLTV and JSON (REST API).

Source: https://epgservice.tv/en/blog/what-is-epg

## FAQ

### What's the difference between EPG and TV Guide?

TV Guide is a general term for program schedule. EPG is the electronic, interactive format of TV guide displayed on viewer's device.

### How often is EPG updated?

Depends on source. EPG Service updates data in real-time — broadcaster changes are available instantly.

### How much does EPG cost?

Cost depends on channel count and data volume. EPG Service offers free tier for development and testing.