PZ vs S7 PLC HMI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PZ
Read full descriptionHide full description
This product is non-destructive audio car DSP Amplifier it support plug & play installation Buit in quad-care 32-bit DSP processing Chip,nanosecond processing speed;DRC dynamic music processing;using DSP computer tuning technology.Lossless installation,easy tuning,take up a small space.  6CH x 31-band EQ floating-piont high-precision tuning system. high and low pass filter Adjustable sound field delay to achieve spatial editing. Gain control,phase control Harmonic function. Limiting function. Built-in Bluetooth,support mobile phone to play lossless music. 8 storage modes. You can use Time-Delay by smart phone.
S7 PLC HMI
Read full descriptionHide full description
S7 PLC HMI turns your iPhone and iPad into an operator panel for Siemens LOGO! and SIMATIC S7 PLCs. Connect directly over your local network — no cloud, no account, no gateway. LIVE MONITORING • Digital and analog values refreshed twice a second • Analog values with multiplier, decimal formatting and optional limits — out-of-range readings are highlighted • Level bars and value trends — tap a trend for a large chart with axes • Blinking alarms with acknowledge command • Connection state always visible CONTROL • Switches, push buttons, valves, motors and drives with start/stop commands • Pulse buttons and Off/Auto/Manual mode selectors • Object types with local-mode variants for equipment that can be switched to manual on site • Safe command sequence matching PLC expectations GRAPHIC MODE • Place objects on your own process diagram or a photo of the technology • Live states and values directly on the schema • Tap an object to control it, drag objects in the editor SIRI, SHORTCUTS AND WIDGETS • Five Shortcuts actions — read values, toggle switches, send pulses, check alarms, set values — by voice with Siri, in automations or via the Action button • Home and Lock Screen widgets: a single value or a whole PLC group at a glance • Control Center controls for switches and pulses (iOS 18) ADDRESSES WITHOUT MANUALS • LOGO! 8: built-in catalog of the VM map (I, Q, M, NI, NQ, AI, AQ, AM…) • SIMATIC S7: address builder for M, I, Q and DB areas — bits, bytes, words and reals with live preview AND MORE • PLC diagnostics: RUN/STOP state and CPU information • Backup and transfer of your configuration between devices (AirDrop, Files) • Built-in demo line — try everything without any hardware • Localized in 10 languages COMPATIBILITY • Siemens LOGO! 8 (0BA8 and newer) with enabled Ethernet communication • SIMATIC S7-1200/1500 with enabled GET/PUT and non-optimized data blocks • SIMATIC S7-300/400 • Direct connection over TCP port 102 (S7 protocol) on your local network FREE VERSION AND FULL VERSION The free version includes 1 PLC group and 3 objects per group — enough to try the app with your own PLC. A single one-time purchase unlocks unlimited groups and objects on iPhone and iPad. SAFETY NOTE Intended for qualified personnel. The app sends commands to real equipment — always follow the safety regulations applicable to your installation. Siemens, LOGO! and SIMATIC are trademarks of Siemens AG. This app is an independent product and is not made, endorsed, or supported by Siemens AG.
Screenshots
Verdict
The clearest difference is in-app purchases: PZ at none against S7 PLC HMI's 1. PZ also leads on iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. S7 PLC HMI sells 1 one-off in-app purchase. PZ asks for nothing beyond the download.
| Parameter | PZ | S7 PLC HMI |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | huizhou shangshui technology co.,ltd | JIRI NOVOTNY |
In-app purchases
PZ
No in-app purchases
S7 PLC HMI
- Full version$5.99









