# OOMA FECHS vs Wabtec Pairing

The clearest difference is update cadence: Wabtec Pairing at every 4 months against OOMA FECHS's every 26 months. OOMA FECHS's advantage is iOS requirement (14.0 vs 16.6). 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.

OOMA FECHS ships an update every 26 months, Wabtec Pairing every 4 months. The most recent releases landed on September 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OOMA FECHS | Wabtec Pairing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Size | 27 MB | 25 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Ferrocarril Mexicano S.A. de C.V.](https://appshunter.io/developer/1154543175) | [Intermodal Telematics](https://appshunter.io/developer/1480204899) |

## What reviewers say

### OOMA FECHS

[App page](https://appshunter.io/ios/app/ooma-fechs/id6450324094)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wabtec Pairing

[App page](https://appshunter.io/ios/app/wabtec-pairing/id6743475841)

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

**In-app purchases:** none


## Frequently asked questions

### Is OOMA FECHS free?

OOMA FECHS is free to download, with no in-app purchases.

### Is Wabtec Pairing free?

Wabtec Pairing is free to download, with no in-app purchases.

### Do OOMA FECHS or Wabtec Pairing have ads?

Neither OOMA FECHS nor Wabtec Pairing shows ads.

### Which is updated more often, OOMA FECHS or Wabtec Pairing?

OOMA FECHS ships an update every 26 months, and Wabtec Pairing every 4 months. Most recently, OOMA FECHS was updated on September 14, 2026 and Wabtec Pairing on October 8, 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.*