# IAFF 1974 vs LINK One2One

The clearest difference is update cadence: LINK One2One at every 12 months against IAFF 1974's every 45 months. 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 1974 ships an update every 45 months, LINK One2One every 12 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IAFF 1974 | LINK One2One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 12 months** |
| Size | 4 MB | 48 MB |
| Requires iOS | **14.6** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Unions-America.com, Inc.](https://appshunter.io/developer/946249856) | [TECHSIMBA PRIVATE LIMITED](https://appshunter.io/developer/1718221507) |

## What reviewers say

### IAFF 1974

[App page](https://appshunter.io/ios/app/iaff-1974/id1229711364)

**Features:** macOS Compatibility

**In-app purchases:** none


### LINK One2One

[App page](https://appshunter.io/ios/app/link-one2one/id1477837366)

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

**In-app purchases:** none


## Frequently asked questions

### Is IAFF 1974 free?

IAFF 1974 is free to download, with no in-app purchases.

### Is LINK One2One free?

LINK One2One is free to download, with no in-app purchases.

### Do IAFF 1974 or LINK One2One have ads?

Neither IAFF 1974 nor LINK One2One shows ads.

### Which is updated more often, IAFF 1974 or LINK One2One?

IAFF 1974 ships an update every 45 months, and LINK One2One every 12 months. Most recently, IAFF 1974 was updated on October 20, 2026 and LINK One2One on October 25, 2026.

---

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