I Tested ChatGPT’s New Apps Feature. It Saved Me 9 Hours A Week

I just tested the latest apps in ChatGPT update and slashed an entire day from my workweek. Here are the exact ChatGPT prompts I used, and how to use apps in ChatGPT.

I tried GPT-5.4, and most answers were really good - but a few had me concerned

It has strong reasoning, but it sometimes answers questions you didn't ask. Formatting and image generation lag behind the text quality. It's a new month, and a new AI version number. It's called ...