Sampling Calculator vs SIMATIC S7
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sampling Calculator
This tool helps calculate sampling plans based on ANSI/ASQ Z1.4 and MIL-STD-105E standards. It supports various sampling size code letters and AQLs for normal, tightened, and reduced inspections. It serves as an aid to understanding and applying these quality control standards.
- ANSI/ASQ Z1.4 2013 compliance
- MIL-STD-105E compliance
- Single sampling size code letters
- Normal, Tightened, and Reduced inspection
- AQLs from 0.065 to 15
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The sampling calculator conforms to ANSI/ASQ Z1.4 2013 and MIL-STD-105E Standards. NOTE: This calculator may be used as an aid to faster calculate the sampling plan needed, and always in conjunction or with the basic knowledge of the ANSI/ASQ Z1.4 standard. It does not replace the standards mentioned above. The sampling calculator covers single sampling size code letters I, II, III, S1, S2, S3 and S4. Normal, Tightened and Reduced with AQLs from 0.065 to 15.
SIMATIC S7
This app leverages NFC to provide quick access to your S7-1200 G2 system. It allows you to change operational modes, view device information, and read diagnostic data directly from your phone, acting as a portable HMI.
- NFC system access
- Change CPU operational mode
- View connected device details
- Read diagnostic information
- Monitor CPU scan times
- Reset CPU memory
- Write time to CPU
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The S7-1200 G2 NFC App uses Near Field Communications to give you easy access to your S7-1200 G2 system. Just touch your phone to the front of the S7-1200 G2 CPU and you can change the CPU operational mode, see detailed information about devices connected to your CPU, and read diagnostic information. This S7-1200 NFC App turns your phone into a mini HMI. Main Features at a glance: - Read the model #, serial #, IP address, HW and FW version of all devices connected. - Change the operational mode (RUN/STOP) of the CPU.- - Change the IP address of the CPU. - Memory Reset of the CPU. - Monitor the CPUs scan times. - Check the CPUs memory usage. - Write the Time of Day to the CPU. - Read the diagnostic information of the CPU and the devices connected. - Follow hyper-links to the Siemens Support Site where you can find manuals, certificates, firmware updates, and technician information for all the devices connected.
Screenshots
Verdict
The clearest difference is price: SIMATIC S7 at Free against Sampling Calculator's $5.99. SIMATIC S7 also leads on update cadence (every 4 months vs every 16 months) and ratings volume (5 vs 1). On rating, ads, in-app purchases 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
SIMATIC S7 is free to download; Sampling Calculator costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Sampling Calculator against 5.0 for SIMATIC S7. That said, the two scores are not equally well evidenced: SIMATIC S7 has 5 ratings behind it against 1, so its average is the more settled of the two.
Sampling Calculator ships an update every 16 months, SIMATIC S7 every 4 months. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.
| Parameter | Sampling Calculator | SIMATIC S7 |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 16 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Juan Manuel Alfredo Sanchez | Siemens AG |
Customer experience
Sampling Calculator
SIMATIC S7
In-app purchases
Sampling Calculator
No in-app purchases
SIMATIC S7
No in-app purchases
Questions
Is Sampling Calculator free?
Is SIMATIC S7 free?
Which has better reviews, Sampling Calculator or SIMATIC S7?
Do Sampling Calculator or SIMATIC S7 have ads?
Which is updated more often, Sampling Calculator or SIMATIC S7?
Other comparisons
