# BTU XT vs Lovibond® AquaLX®

The clearest difference is update cadence: BTU XT at every 2 months against Lovibond® AquaLX®'s every 11 months. BTU XT also leads on iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BTU XT ships an update every 2 months, Lovibond® AquaLX® every 11 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | BTU XT | Lovibond® AquaLX® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/btu-xt/id790911884/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 8 MB | 15 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BTU Ventilation](https://appshunter.io/developer/790911887) | [Tintometer GmbH](https://appshunter.io/developer/984994415) |

## What reviewers say

### BTU XT

[App page](https://appshunter.io/ios/app/btu-xt/id790911884)

Monitor and control agricultural storage environments remotely. Securely access unit status, view detailed equipment data, and adjust control panel parameters with a familiar interface. Designed for ease of use with a simple human-machine interface.

**Highlights:** Remote environment monitoring, Secure user login, View unit status and parameters, Detailed equipment data display, Adjust control panel settings, Familiar HMI interface

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

**In-app purchases:** none


### Lovibond® AquaLX®

[App page](https://appshunter.io/ios/app/lovibond-aqualx/id984994416)

This app complements Lovibond photometers by wirelessly transmitting measurement results to your smartphone or tablet. Evaluate and allocate data directly on-site with clear graphs, minimum/maximum thresholds, and data export options.

**Highlights:** Wireless data transmission via Bluetooth, On-site data evaluation and allocation, Clear graph display with thresholds, Data export to CSV, User, customer, and location management, Integrated data management

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

**In-app purchases:** none


## Frequently asked questions

### Is BTU XT free?

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

### Is Lovibond® AquaLX® free?

Lovibond® AquaLX® is free to download, with no in-app purchases.

### Do BTU XT or Lovibond® AquaLX® have ads?

Neither BTU XT nor Lovibond® AquaLX® shows ads.

### Which is updated more often, BTU XT or Lovibond® AquaLX®?

BTU XT ships an update every 2 months, and Lovibond® AquaLX® every 11 months. Most recently, BTU XT was updated on November 1, 2026 and Lovibond® AquaLX® on November 1, 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.*