# Barfield ADTS vs Prezlock

The clearest difference is rating: Barfield ADTS at 3.4 against Prezlock's 1.8. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Barfield ADTS holds the better App Store score, 3.4 against 1.8. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 20% of Barfield ADTS's written reviews are positive against 14% of Prezlock's.

Barfield ADTS ships an update every 5 months, Prezlock every 9 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Barfield ADTS | Prezlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/barfield-adts/id939622373/reviews)** | [1.8 (8 ratings)](https://appshunter.io/ios/app/prezlock/id6446069971/reviews) |
| Number of ratings | 5 | **8** |
| Positive reviews | **20.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 80 MB | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Barfield Inc](https://appshunter.io/developer/939622372) | [Innova Ideas Ltd](https://appshunter.io/developer/1445396191) |

## What reviewers say

### Barfield ADTS

[App page](https://appshunter.io/ios/app/barfield-adts/id939622373)

This app transforms your iOS device into a wireless remote for specific aircraft maintenance testing equipment. It offers automatic firmware updates and allows simultaneous viewing of PDF documents.

**Highlights:** Wireless remote control for DPS1000 and 1811NG, Automatic firmware update detection, Split-screen PDF viewing, User-friendly interface, Programmable test routines

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

**In-app purchases:** none


### Prezlock

[App page](https://appshunter.io/ios/app/prezlock/id6446069971)

Control and manage Bluetooth-enabled locks directly from your smartphone, eliminating the need for physical keys. Securely lock, unlock, and share access with friends and family, while tracking usage history and battery levels.

**Highlights:** Keyless locking and unlocking via smartphone, Manage multiple locks individually, Share and revoke access with time limits, Track GPS location and usage history, Monitor lock battery levels, High-level encryption for security

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Barfield ADTS free?

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

### Is Prezlock free?

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

### Which has better reviews, Barfield ADTS or Prezlock?

Barfield ADTS is rated higher. Barfield ADTS averages 3.4 out of 5 from 5 ratings, while Prezlock averages 1.8 from 8 ratings.

### Do Barfield ADTS or Prezlock have ads?

Neither Barfield ADTS nor Prezlock shows ads.

### Which is updated more often, Barfield ADTS or Prezlock?

Barfield ADTS ships an update every 5 months, and Prezlock every 9 months. Most recently, Barfield ADTS was updated on October 24, 2026 and Prezlock on October 24, 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.*