# XON FTTx vs LightForth

The clearest difference is update cadence: LightForth at every 2 days against XON FTTx's every 2 months. XON FTTx's advantage is iOS requirement (12.0 vs 15.1). 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.

XON FTTx ships an update every 2 months, LightForth every 2 days. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | XON FTTx | LightForth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 70 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Divine IT Limited](https://appshunter.io/developer/757713633) | [LightForth](https://appshunter.io/developer/1733854602) |

## What reviewers say

### XON FTTx

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

**Features:** macOS Compatibility

**In-app purchases:** none


### LightForth

[App page](https://appshunter.io/ios/app/lightforth/id6749693488)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is XON FTTx free?

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

### Is LightForth free?

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

### Do XON FTTx or LightForth have ads?

Neither XON FTTx nor LightForth shows ads.

### Which is updated more often, XON FTTx or LightForth?

XON FTTx ships an update every 2 months, and LightForth every 2 days. Most recently, XON FTTx was updated on September 10, 2026 and LightForth on September 7, 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.*