Learn industrial automation and PLC programming through realistic simulations. Practice with Rockwell and Siemens systems, including ladder logic, SCADA, HMI, and VFDs. AI-powered tools offer smart diagnostics and feedback for skill development.






213+ iOS apps curated and reviewed
The best plc signal explorer apps on iPhone average 4.4★ across 213+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | ||
| 2 | Free | 4.5★ (75) | No | Yes | Aug 2026 | ||
| 3 | Free | 4.3★ (91) | Yes | Yes | Sep 2026 | ||
| 4 | Free | 4.6★ (5K) | No | Yes | Sep 2026 | ||
| 5 | Free | 3.9★ (15K) | No | Yes | Sep 2026 | ||
| 6 | Free | 4.6★ (60K) | No | Yes | Sep 2026 | ||
| 7 | Free | 4.5★ (20K) | No | No | Sep 2026 | ||
| 8 | Free | 4.4★ (267) | No | Yes | Sep 2026 |












Learn industrial automation and PLC programming through realistic simulations. Practice with Rockwell and Siemens systems, including ladder logic, SCADA, HMI, and VFDs. AI-powered tools offer smart diagnostics and feedback for skill development.



This application offers real-time radio frequency signal detection and analysis. It monitors signal strength, analyzes frequency bands, and identifies interference sources. The tool provides historical data and network optimization insights for a better wireless experience.