PLC Simulator 2, Ladder Logic vs ZipHarbor

This app allows PLC students (Electricians, apprentices and college students) to test their small homework assignments using their phone and explore basic PLC programming. It has input instructions, outputs, timers, counters, latches, unlatches and compare blocks, each rung is FULLY configurable with 6 instruction long and 4 instructions deep. Features include: - Three Interactive animations. - Includes the code to run animation 3, "Bottling Plant". - Input and Output descriptions. - Rung descriptions. - 25 programmable rungs. - Simple to construct and run PLC ladder logic. - Save up to 40 programs. - Includes 5 preloaded example programs that can be modified to see the affects of the changes. - It’s FREE with NO ADVERTISEMENTS. --- (Makes it a great learning tool for instructors to help their students to learn ladder logic.) --- Give it a try, I think you will like it.

ZipHarbor is a local-first archive utility for iPhone and iPad. Open, browse, create, extract, and share compressed files with a clear, reliable workflow. Key features: • Open and browse ZIP, RAR, 7z, TAR, GZIP, and BZ2 archives • Create standard ZIP archives • Create and extract password-protected ZIP archives with AES encryption • View archive contents, file sizes, and encryption status • Extract individual files, multiple files, or folders • Import from Files, iCloud Drive, third-party file providers, and system sharing • Choose an extraction destination and handle duplicate names • Track progress, pause, cancel, and retry tasks • Preserve Unicode filenames and folder structures • Favorite archives and preview extracted files • Support Dark Mode, Dynamic Type, and VoiceOver ZipHarbor processes files on your device. No account is required, and file contents are never uploaded. The app contains no ads and no forced subscription. Support for some formats, password algorithms, and split archives depends on the archive format and decoder capabilities.