RF 4DAT vs OpenSesame
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
RF 4DAT
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RF 4DAT helps you understand how much RF activity is around you using on-device Bluetooth scanning. See live device counts, review history by location, and keep it all in clear, simple screens. RF 4DAT is free to download, and scanning is free forever. Free features: - Live RF device counts with manual scan control - Location-tagged history (manual or auto-detected) - Protect: a curated guide to RF detection, measurement, and shielding gear - Legal and ethical use guidance built in RF 4DAT Pro (one-time in-app purchase): - Trends: averages, recent changes, most-scanned places, and common devices - CSV export of your scan history Bought RF 4DAT when it was a paid app? Pro is included automatically โ there is nothing to buy again. Tap Restore Purchases in Settings if it doesn't appear. Privacy: the 4DAT method Your scans stay on your device. RF 4DAT does not collect, sell, or share your data, and there is no analytics or tracking. Location, when you allow it, is used on-device only to label a scan with a place name; coordinates are never stored. Please use RF 4DAT only where you have permission and legal authority. It is not for stalking, covert surveillance, or identifying people. Device counts are estimates of nearby signals, not identifications of individuals. As an Amazon Associate, RF 4DAT earns from qualifying purchases made through links in the Protect tab. Prices and availability are set by Amazon.
OpenSesame
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OpenSesame is THE one of a kind gate code manager for delivery drivers who struggle with gated communities. Drivers can save and pin frequently used gate codes to a map to for easy access for future deliveries. Easily search through your library of codes or simply look at the map. Pictures and notes can be attached to community pins for maps of apartments, trailer parks and other important info. Add multiple entrance pins for a single community and watch your codes, pictures and notes sync to all pins for that community! Drivers can work in teams (or solo) by sharing links to OpenSesame Library files with each other from their google drive, icloud, or dropbox. Your codes are kept safe, local and can be exported at any time! Quit fumbling with screenshots and old paper notes, and watch the gates open to faster deliveries today with OpenSesame! Terms and conditions can be found here https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | RF 4DAT | OpenSesame |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Weekly โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.0 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 4DAT LLC | David Jackson |
In-app purchases
RF 4DAT
- RF 4DAT Pro$2.99
OpenSesame
No in-app purchases









