# Fexillon Platform vs Onyx fieldPRO V4

Fexillon Platform and Onyx fieldPRO V4 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.

Fexillon Platform ships an update fortnightly, Onyx fieldPRO V4 monthly. The most recent releases landed on July 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Fexillon Platform | Onyx fieldPRO V4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 104 MB | 39 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Integrated Facilities Solutions Limited](https://appshunter.io/developer/1735309625) | [InSight Analytics Solutions Limited](https://appshunter.io/developer/1533420931) |

## What reviewers say

### Fexillon Platform

[App page](https://appshunter.io/ios/app/fexillon-platform/id6479253228)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onyx fieldPRO V4

[App page](https://appshunter.io/ios/app/onyx-fieldpro-v4/id6737482581)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fexillon Platform free?

Fexillon Platform is free to download, with no in-app purchases.

### Is Onyx fieldPRO V4 free?

Onyx fieldPRO V4 is free to download, with no in-app purchases.

### Do Fexillon Platform or Onyx fieldPRO V4 have ads?

Neither Fexillon Platform nor Onyx fieldPRO V4 shows ads.

### Which is updated more often, Fexillon Platform or Onyx fieldPRO V4?

Fexillon Platform ships an update fortnightly, and Onyx fieldPRO V4 monthly. Most recently, Fexillon Platform was updated on July 8, 2026 and Onyx fieldPRO V4 on September 15, 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.*