SIMATIC Notifier vs I/O Field
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIMATIC Notifier
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With the Notifier you carry an alarm center in your jacket pocket. Even if you are on the move somewhere: Notifier informs you like lightning about system status and sends notifications according to rules that you configure yourself.. Key features - Relax and focus on other things while Notifier monitors your asset data - Access notifications location-independently - As OEM know about issues of your machine even before your customers notices - Native app for your mobile device to receive notifications “to go” - Define a group and assign the group to an asset to make sure that someone takes care about the issue - Define an escalation strategy within the user group
I/O Field
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The “WAGO I/O Field” app is for monitoring and full operation of the WAGO I/O System Field. This app allows you to display device information for both fieldbus modules and IO-Link hubs, make settings and adjust all device parameters. The communication this requires takes place through the Bluetooth® interface of the mobile device once Data Matrix has been scanned to select the device. Users and the associated access rights can be set up and managed. Outputs can be forced and inputs set in order to support commissioning of systems. The current measured values of a port can be displayed (temperature, voltage, current and states) and configured (including operating mode and filters). Devices can be reset to the factory settings and firmware restarted. License Agreement By downloading the app, you agree to the terms of the WAGO’s license agreement (accessible via EULA and the support URL below).
Screenshots
Verdict
The clearest difference is iOS requirement: I/O Field at 12.4 against SIMATIC Notifier's 15.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
SIMATIC Notifier ships an update every 10 months, I/O Field every 14 months. Both last shipped on October 16, 2026.
| Parameter | SIMATIC Notifier | I/O Field |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.4 — better |
| Further details — not scored | ||
| Size | 7 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Siemens AG | WAGO Kontakttechnik GmbH & Co. KG |
In-app purchases
SIMATIC Notifier
No in-app purchases
I/O Field
No in-app purchases
Questions
Is SIMATIC Notifier free?
Is I/O Field free?
Do SIMATIC Notifier or I/O Field have ads?
Which is updated more often, SIMATIC Notifier or I/O Field?
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