# IAFF 3390 vs 908 Devices

The clearest difference is update cadence: 908 Devices at every 2 weeks against IAFF 3390's every 47 months. 908 Devices also leads on iOS requirement (11.0 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.

IAFF 3390 ships an update every 47 months, 908 Devices every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IAFF 3390 | 908 Devices |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 2 weeks** |
| Size | 3 MB | 92 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Scott Taylor](https://appshunter.io/developer/1299971529) | [908 Devices Inc.](https://appshunter.io/developer/1580721003) |

## What reviewers say

### IAFF 3390

[App page](https://appshunter.io/ios/app/iaff-3390/id1356571693)

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

**In-app purchases:** none


### 908 Devices

[App page](https://appshunter.io/ios/app/908-devices/id1580721001)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IAFF 3390 free?

IAFF 3390 is free to download, with no in-app purchases.

### Is 908 Devices free?

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

### Do IAFF 3390 or 908 Devices have ads?

Neither IAFF 3390 nor 908 Devices shows ads.

### Which is updated more often, IAFF 3390 or 908 Devices?

IAFF 3390 ships an update every 47 months, and 908 Devices every 2 weeks. Most recently, IAFF 3390 was updated on November 2, 2026 and 908 Devices on November 3, 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.*