# RF 4DAT vs OpenSesame

The clearest difference is in-app purchases: OpenSesame at none against RF 4DAT's 1. OpenSesame also leads on update cadence (weekly vs every 3 months) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. RF 4DAT sells 1 one-off in-app purchase. OpenSesame asks for nothing beyond the download.

RF 4DAT ships an update every 3 months, OpenSesame weekly. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | RF 4DAT | OpenSesame |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 1 MB | 31 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [4DAT LLC](https://appshunter.io/developer/1649051364) | [David Jackson](https://appshunter.io/developer/1873012916) |

## What reviewers say

### RF 4DAT

[App page](https://appshunter.io/ios/app/rf-4dat/id6757926768)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RF 4DAT Pro | $2.99 | one-time |


### OpenSesame

[App page](https://appshunter.io/ios/app/opensesame-gate-code-manager/id6758457219)

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

**In-app purchases:** none


## Frequently asked questions

### Is RF 4DAT free?

RF 4DAT is free to download, with in-app purchases available.

### Is OpenSesame free?

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

### Do RF 4DAT or OpenSesame have ads?

Neither RF 4DAT nor OpenSesame shows ads.

### Which is updated more often, RF 4DAT or OpenSesame?

RF 4DAT ships an update every 3 months, and OpenSesame weekly. Most recently, RF 4DAT was updated on September 8, 2026 and OpenSesame on September 12, 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.*