# NapaPD vs PlateTrace

The clearest difference is update cadence: PlateTrace at every 5 months against NapaPD's every 39 months. NapaPD's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

NapaPD ships an update every 39 months, PlateTrace every 5 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NapaPD | PlateTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (6 ratings)](https://appshunter.io/ios/app/platetrace/id6754065298/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 37 MB | 319 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [City of Napa](https://appshunter.io/developer/804054929) | [Leonardo-US](https://appshunter.io/developer/1645929565) |

## What reviewers say

### NapaPD

[App page](https://appshunter.io/ios/app/napapd/id804054926)

**Features:** macOS Compatibility

**In-app purchases:** none


### PlateTrace

[App page](https://appshunter.io/ios/app/platetrace/id6754065298)

This utility app uses your iPhone's camera to automatically detect and record license plates. It captures images, date, time, GPS location, and vehicle details, storing everything securely on your device for privacy.

**Highlights:** Automatic license plate detection, Image capture, Date and time recording, GPS location logging, Vehicle make, model, and color identification, Secure on-device storage

**In-app purchases:** none


## Frequently asked questions

### Is NapaPD free?

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

### Is PlateTrace free?

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

### Do NapaPD or PlateTrace have ads?

Neither NapaPD nor PlateTrace shows ads.

### Which is updated more often, NapaPD or PlateTrace?

NapaPD ships an update every 39 months, and PlateTrace every 5 months. Most recently, NapaPD was updated on November 6, 2026 and PlateTrace on October 30, 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.*