Based on the users' reviews of the "HEICTO JPG converter Pro" app, here are three pros and cons in English, with 15 words or less for each: **Pros:** 1. Easy to use, converting JPG to HEIC takes merely seconds, according to many users. 2. High-quality output, preserving image details and minimizing file size, users praise. 3. Lightweight and efficient, doesn't take up much storage space, reviews highlight. **Cons:** 1. Limited file size support, can't handle large files, many users complain. 2. Sometimes crashes, freezing or shutting down unexpectedly, some users experience. 3. No batch conversion option, forces users to convert files one by one, others gripe.