Comparison

Tri vs Prezlock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tri

Features
Read full description

Tri-Valley Wheels allows you to quickly submit service requests or ask a question. Tri-Valley Wheels is a convenient tool for staying in touch and reporting issues with Livermore Amador Valley Transit Authority!

About

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.

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
Read full description

*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

Tri2 screens
Prezlock4 screens

Verdict

The call

Tri and Prezlock are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Tri ships an update every 6 months, Prezlock every 9 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
Tri versus Prezlock: the parameters behind the verdict, then further details
ParameterTriPrezlock
PriceFreeFree
Rating—1.8 (8 ratings) — better
Positive reviews—14.3% of reviews
Number of ratings—8 — better
Update frequencyEvery 6 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS14.013.0 — better
Further details — not scored
Size47 MB51 MB
Age rating17+4+
DeveloperGOGov, Inc.Innova Ideas Ltd

In-app purchases

None

Tri

No in-app purchases

None

Prezlock

No in-app purchases

Questions

Is Tri free?
Tri is free to download, with no in-app purchases.
Is Prezlock free?
Prezlock is free to download, with no in-app purchases.
Do Tri or Prezlock have ads?
Neither Tri nor Prezlock shows ads.
Which is updated more often, Tri or Prezlock?
Tri ships an update every 6 months, and Prezlock every 9 months. Most recently, Tri was updated on October 18, 2026 and Prezlock on October 24, 2026.

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