# FO ASF vs FDC41

FO ASF and FDC41 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 13 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FO ASF | FDC41 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | Every 13 months |
| Size | 53 MB | 52 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [FO Com](https://appshunter.io/developer/1690809661) | [OUACOM SAS](https://appshunter.io/developer/1045070246) |

## What reviewers say

### FO ASF

[App page](https://appshunter.io/ios/app/fo-asf/id6737275888)

**Features:** macOS Compatibility

**In-app purchases:** none


### FDC41

[App page](https://appshunter.io/ios/app/fdc41/id6740241637)

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

**In-app purchases:** none


## Frequently asked questions

### Is FO ASF free?

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

### Is FDC41 free?

FDC41 is free to download, with no in-app purchases.

### Do FO ASF or FDC41 have ads?

Neither FO ASF nor FDC41 shows ads.

### Which is updated more often, FO ASF or FDC41?

FO ASF ships an update every 13 months, and FDC41 every 13 months. Most recently, FO ASF was updated on October 1, 2026 and FDC41 on October 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.*