# Blue Lite vs Gentry Controls

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.

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

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.

## The numbers

| Metric | Blue Lite | Gentry Controls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blue-lite/id6470465298/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 16 MB | 63 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OPIsystems inc.](https://appshunter.io/developer/921665092) | [Gentry Controls & Consulting LLC](https://appshunter.io/developer/1719797493) |

## What reviewers say

### Blue Lite

[App page](https://appshunter.io/ios/app/blue-lite/id6470465298)

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:** macOS Compatibility

**In-app purchases:** none


### Gentry Controls

[App page](https://appshunter.io/ios/app/gentry-controls/id6473788427)

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

**In-app purchases:** none


## Frequently asked 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.

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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.*