# Field Expert vs PDU Display

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.

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 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Field Expert | PDU Display |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 46 MB | 4 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [COLT TECHNOLOGY SERVICES (UK)](https://appshunter.io/developer/1575539776) | [PDU](https://appshunter.io/developer/1789090983) |

## What reviewers say

### Field Expert

[App page](https://appshunter.io/ios/app/field-expert/id1544705806)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PDU Display

[App page](https://appshunter.io/ios/app/pdu-display/id6740235627)

**In-app purchases:** none


## Frequently asked questions

### Is Field Expert free?

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

### Is PDU Display free?

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

### Do Field Expert or PDU Display have ads?

Neither Field Expert nor PDU Display shows ads.

### Which is updated more often, Field Expert or PDU Display?

Field Expert ships an update every 2 months, and PDU Display every 6 months. Most recently, Field Expert was updated on October 27, 2026 and PDU Display on October 5, 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.*