Barfield ADTS vs Prezlock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Barfield ADTS
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.
- Wireless remote control for DPS1000 and 1811NG
- Automatic firmware update detection
- Split-screen PDF viewing
- User-friendly interface
- Programmable test routines
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Note: Barfield does not collect user’s information. Barfield Inc. designs and manufactures Ground Support Test Equipment (GSTE) and is improving the aircraft maintenance industry one App at a time. Barfield's new and innovative app transforms any iOS tablet or cellphone into a wireless remote control for the DPS1000 and the 1811NG. Additionally, two available features enhance the user experience: 1) The app will detect whether a new firmware version is available when connected to the DPS1000/1811NG through the embedded secure Wi-Fi and automatically will prompt the user to proceed with the upgrade if necessary. 2) The split-screen feature allows users to operate the app while simultaneously opening PDF documents previously downloaded from Dropbox. The latest iPhone support allows the user to access the app through their cellphones with the same capabilities as the iPad. Ground Support Test Equipment are used for testing aircraft Pitot-Static/Air Data systems. They are fully automated and boast a user friendly interface with color touch screen and programmable test routines. With this new generation of aircraft line maintenance testing through a tablet/cellphone app, Barfield is helping its market and industry take a giant step forward with reliable, economical and universal Air Data testers.
Prezlock
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.
- 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
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*Manage and operate your Prezlock by your smartphone and eliminate the use of keys. *The Prezlock app is used to operate and manage Bluetooth enabled Prezlock with these features: Locking and unlocking: Once you download the Prezlock app, you can simply use your smartphone to lock and unlock your locks without using a key. The app utilizes high level ACE 128-bit encryption and Bluetooth 4.0 technology to control the locks with maximum security. Managing locks: The app can add and delete locks off the system with ease by following simple instructions. The app can individually manage numerous locks at the same time for easy management. Sharing Access: Share or revoke access of your locks with your family and friends using the app and your phone. You can set time limits and number of lock openings on the apps by either sending a shared code to their own Prezlock app, or just simply send them an encrypted password for combination opening. Each lock can be tailored individually for accessibility according to date, time, or individual guest usage. You may grant full time access to your spouse or family member, while setting a designated time limit use for a temporarily guest. GPS location and usage history: Track the location your lock is being used via the app’s GPS locating system as well as to monitor locking and unlocking activities by each identified individual guest, utilising the app’s history function. Battery Level: The app shows the battery level of the lock once connected with the lock.
Screenshots
Verdict
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.
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.
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.
| Parameter | Barfield ADTS | Prezlock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) — better | 1.8 (8 ratings) |
| Positive reviews | 20.0% of reviews — better | 14.3% of reviews |
| Number of ratings | 5 | 8 — better |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 80 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Barfield Inc | Innova Ideas Ltd |
Customer experience
Barfield ADTS
Prezlock
In-app purchases
Barfield ADTS
No in-app purchases
Prezlock
No in-app purchases








