rotronic vs Unified
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
rotronic
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A comprehensive portfolio that includes handheld instruments, measurement transmitters, industrial sensors, OEM products and data loggers. Rotronic measuring devices do service in the most varied areas of application: the pharmaceutical/foodstuff industries, ventilation/air-conditioning equipment, drying processes and measurement of moisture in paper, as well as in meteorology. From us, you buy guaranteed safety: validated software, and an officially accredited, GAMP/FDA conform calibration centre, and profit from a global sales and service network.
Unified
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This app allows hosting different HMIs to monitor and control a plant or machine. You can create the HMIs with the Unified-E App Designer and publish them on the Unified-E App Manager. Unified-E is a software product which is used to operate machines or plants with a smartphone. App development time is drastically reduced by using the "Unified-E App Designer" software, where you can define both the HMI views and push notifications for your individual HMI app. No app programming knowledge is required. There is a Gateway PC required which connects smartphone with machine and ensures that communication is secured and only granted for authorized users. The "Pro" license also allows operating a machine via the Internet without performing any configuration on the firewall or router. By now there are already multiple Unified-E endpoint adapters, e. g. for the S7-, ControlLogix-, Modbus- or OPC UA interface. The software, user manuals, licenses and further information can be found on the website ww.unified-e.com. For developers and integrators all licenses are for free.
Screenshots
Verdict
The clearest difference is iOS requirement: rotronic at 8.1 against Unified's 12.2. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
rotronic ships an update monthly, Unified every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.
| Parameter | rotronic | Unified |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 8.1 โ better | 12.2 |
| Further details โ not scored | ||
| Size | 5 MB | 184 MB |
| Age rating | 4+ | 4+ |
| Developer | Rotronic AG | Unified-E AG |
In-app purchases
rotronic
No in-app purchases
Unified
No in-app purchases









