# DocuPilot4PG vs SIMATIC Notifier

The clearest difference is update cadence: DocuPilot4PG at every 3 months against SIMATIC Notifier's every 10 months. SIMATIC Notifier's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DocuPilot4PG ships an update every 3 months, SIMATIC Notifier every 10 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | DocuPilot4PG | SIMATIC Notifier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 98 MB | 7 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Siemens Energy](https://appshunter.io/developer/1539380213) | [Siemens AG](https://appshunter.io/developer/394503271) |

## What reviewers say

### DocuPilot4PG

[App page](https://appshunter.io/ios/app/docupilot4pg/id1187915761)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIMATIC Notifier

[App page](https://appshunter.io/ios/app/simatic-notifier/id1442764496)

**In-app purchases:** none


## Frequently asked questions

### Is DocuPilot4PG free?

DocuPilot4PG is free to download, with no in-app purchases.

### Is SIMATIC Notifier free?

SIMATIC Notifier is free to download, with no in-app purchases.

### Do DocuPilot4PG or SIMATIC Notifier have ads?

Neither DocuPilot4PG nor SIMATIC Notifier shows ads.

### Which is updated more often, DocuPilot4PG or SIMATIC Notifier?

DocuPilot4PG ships an update every 3 months, and SIMATIC Notifier every 10 months. Most recently, DocuPilot4PG was updated on October 6, 2026 and SIMATIC Notifier on October 11, 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.*