# EXFO RFTM vs XON FTTx

The clearest difference is update cadence: XON FTTx at every 2 months against EXFO RFTM's every 6 months. XON FTTx also leads on iOS requirement (12.0 vs 15.0). 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.

EXFO RFTM ships an update every 6 months, XON FTTx every 2 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | EXFO RFTM | XON FTTx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 38 MB | 70 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [EXFO Inc.](https://appshunter.io/developer/462252930) | [Divine IT Limited](https://appshunter.io/developer/757713633) |

## What reviewers say

### EXFO RFTM

[App page](https://appshunter.io/ios/app/exfo-rftm/id1523890591)

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

**In-app purchases:** none


### XON FTTx

[App page](https://appshunter.io/ios/app/xon-fttx/id6464605926)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EXFO RFTM free?

EXFO RFTM is free to download, with no in-app purchases.

### Is XON FTTx free?

XON FTTx is free to download, with no in-app purchases.

### Do EXFO RFTM or XON FTTx have ads?

Neither EXFO RFTM nor XON FTTx shows ads.

### Which is updated more often, EXFO RFTM or XON FTTx?

EXFO RFTM ships an update every 6 months, and XON FTTx every 2 months. Most recently, EXFO RFTM was updated on September 21, 2026 and XON FTTx on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*