# Lovibond® AquaLX® vs Polytropic Pro

Lovibond® AquaLX® and Polytropic Pro 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.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on June 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lovibond® AquaLX® | Polytropic Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 15 MB | 250 MB |
| Requires iOS | **13.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tintometer GmbH](https://appshunter.io/developer/984994415) | [Polytropic](https://appshunter.io/developer/1613713281) |

## What reviewers say

### 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. It allows for on-site evaluation, clear graphical representation with thresholds, and data export. Manage users, customers, and measuring locations with integrated data management.

**Highlights:** Wireless data transmission via Bluetooth, On-site data evaluation and processing, Clear graphical representation of measurements, Data export to CSV format, User, customer, and location management, Customizable minimum and maximum thresholds

**Features:** macOS Compatibility

**In-app purchases:** none


### Polytropic Pro

[App page](https://appshunter.io/ios/app/polytropic-pro/id6452721348)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lovibond® AquaLX® free?

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

### Is Polytropic Pro free?

Polytropic Pro is free to download, with no in-app purchases.

### Do Lovibond® AquaLX® or Polytropic Pro have ads?

Neither Lovibond® AquaLX® nor Polytropic Pro shows ads.

### Which is updated more often, Lovibond® AquaLX® or Polytropic Pro?

Lovibond® AquaLX® ships an update every 3 months, and Polytropic Pro every 3 months. Most recently, Lovibond® AquaLX® was updated on June 25, 2026 and Polytropic Pro on September 9, 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.*