Comparison

Blue Lite vs Gentry Controls

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

Head to head
About

Blue Lite

This app provides full functionality for OPI Blue customers, mirroring the web app experience on mobile devices. It enables bin-side readings even without internet connectivity, making it a powerful tool for data collection.

Highlights
  • Bin-side readings
  • Offline connectivity
  • Full web app functionality
  • Mobile data collection
  • Companion to handheld device
Features
Read full description

The OPI Blue mobile app is your all-access pass to all things Blue! It is the companion app for the OPI Blue Lite handheld device, allowing you to take readings bin-side, even without cellular or WiFi connectivity. It is also the mobile app for existing OPI Blue customers, providing the full functionality of the web app in a mobile format. Download today and start exploring the power of OPI Blue on your phone or tablet!

About

Gentry Controls

Features
Read full description

Easy, secure, real-time, and historical access to your Gentry Controls products and systems from anywhere on any device. Keep an eye on how things are running even when you're not there. * Requires active remote access service from Gentry Controls.

Screenshots

Blue Lite4 screens
Gentry Controls1 screens

Verdict

The call

The clearest difference is update cadence: Gentry Controls at weekly against Blue Lite's every 4 months. Blue Lite's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support 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

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

Blue Lite ships an update every 4 months, Gentry Controls weekly. The most recent releases landed on June 4, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
Blue Lite versus Gentry Controls: the parameters behind the verdict, then further details
ParameterBlue LiteGentry Controls
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size16 MB63 MB
Age rating4+4+
DeveloperOPIsystems inc.Gentry Controls & Consulting LLC

In-app purchases

None

Blue Lite

No in-app purchases

None

Gentry Controls

No in-app purchases

Questions

Is Blue Lite free?
Blue Lite is free to download, with no in-app purchases.
Is Gentry Controls free?
Gentry Controls is free to download, with no in-app purchases.
Do Blue Lite or Gentry Controls have ads?
Neither Blue Lite nor Gentry Controls shows ads.
Which is updated more often, Blue Lite or Gentry Controls?
Blue Lite ships an update every 4 months, and Gentry Controls weekly. Most recently, Blue Lite was updated on June 4, 2026 and Gentry Controls on September 23, 2026.

Other comparisons