# FerroAlloyNet vs IMFA

The clearest difference is ads: IMFA at none against FerroAlloyNet's shown. IMFA also leads on update cadence (every 3 weeks vs every 2 months). FerroAlloyNet's advantage is iOS requirement (9.0 vs 12.1). On price, 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.

FerroAlloyNet ships an update every 2 months, IMFA every 3 weeks. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | FerroAlloyNet | IMFA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 76 MB | 30 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chengdu Felo Internet Tech. Co. ,Ltd.](https://appshunter.io/developer/897496769) | [Sukanta Bhattacharjee](https://appshunter.io/developer/1366254897) |

## What reviewers say

### FerroAlloyNet

[App page](https://appshunter.io/ios/app/ferroalloynet/id1386633502)

**In-app purchases:** none


### IMFA

[App page](https://appshunter.io/ios/app/imfa/id6479631421)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FerroAlloyNet free?

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

### Is IMFA free?

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

### Do FerroAlloyNet or IMFA have ads?

FerroAlloyNet shows ads; IMFA does not.

### Which is updated more often, FerroAlloyNet or IMFA?

FerroAlloyNet ships an update every 2 months, and IMFA every 3 weeks. Most recently, FerroAlloyNet was updated on September 9, 2026 and IMFA 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.*