Field Expert vs PDU Display
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Field Expert
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Field Expert is for our global customers who can raise issues on their current services. Now with enhanced and detailed interface.
PDU Display
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PDU Display reads information from a PDU by use of NFC communication. This information contains measured data, like actual voltage, current, power and configuration and status data of the PDU. Supported PDU’s: Schleifenbauer PDU5.0, Schäfer xFlex, Conteg IP-S-PDU 5.0
Screenshots
Verdict
The clearest difference is update cadence: Field Expert at every 2 months against PDU Display's every 6 months. Field Expert also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, 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.
Field Expert ships an update every 2 months, PDU Display every 6 months. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.
| Parameter | Field Expert | PDU Display |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 46 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | COLT TECHNOLOGY SERVICES (UK) | PDU |
In-app purchases
Field Expert
No in-app purchases
PDU Display
No in-app purchases
