# WinCC V7 SBS vs ISTQB AI Testing Prep

The clearest difference is device support: WinCC V7 SBS at 3 against ISTQB AI Testing Prep's 1. WinCC V7 SBS also leads on iOS requirement (10.3 vs 17.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. WinCC V7 SBS sells 1 one-off in-app purchase and ISTQB AI Testing Prep sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | WinCC V7 SBS | ISTQB AI Testing Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wincc-v7-sbs/id1268032769/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 1.1 GB | 9 MB |
| Requires iOS | **10.3** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iQuest, inc.](https://appshunter.io/developer/492276076) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### WinCC V7 SBS

[App page](https://appshunter.io/ios/app/wincc-v7-sbs/id1268032769)

Learn to build HMI applications with Siemens SIMATIC WinCC software. This tutorial offers over 600 screenshots and 25 screencasts to guide you through connecting to PLCs, creating tags, designing screens, and configuring alarms and reports.

**Highlights:** Step-by-step HMI application building, Over 600 detailed screenshots, 25 screencast movies, PLC connection guidance, Tag creation and screen design, Alarm and trend configuration, Security and report design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WinCCSBS Extra chapters | $9.99 | one-time |


### ISTQB AI Testing Prep

[App page](https://appshunter.io/ios/app/istqb-ai-testing-prep/id6738296453)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $19.99 | one-time |


## Frequently asked questions

### Is WinCC V7 SBS free?

WinCC V7 SBS is free to download, with in-app purchases available.

### Is ISTQB AI Testing Prep free?

ISTQB AI Testing Prep is free to download, with in-app purchases available.

### Do WinCC V7 SBS or ISTQB AI Testing Prep have ads?

Neither WinCC V7 SBS nor ISTQB AI Testing Prep shows ads.

### Which is updated more often, WinCC V7 SBS or ISTQB AI Testing Prep?

WinCC V7 SBS ships an update every 2 months, and ISTQB AI Testing Prep every 2 months. Most recently, WinCC V7 SBS was updated on October 17, 2026 and ISTQB AI Testing Prep on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*