RF 4DAT vs Supplement Tracker
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.
Supplement Tracker
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Suppsy is a simple way to remember your supplements and actually take them on time. Add your vitamins, capsules, powders, and drops, set the times you take them, and Suppsy reminds you when each dose is due. Check off doses as you go and see how well you are keeping up over time. No accounts, no sign-ups, no cloud. Everything stays on your device, so your health routine is yours alone. FEATURES Reminders that reach you Get a notification the moment a dose is due so you never forget again. Flexible schedules Take something daily, on certain weekdays, or every few days. Set one time or several times a day for each supplement. One tap to log Mark doses as taken or skipped with a single tap from the home screen. Track your adherence See your history and adherence at a glance. Auto-complete a course Set a dose count and Suppsy quietly finishes a supplement when your bottle runs out. Private by design No login required. Your data never leaves your phone. Suppsy is a personal log and reminder, not medical advice. It never recommends or calculates doses. You enter your own doses based on your prescription or your healthcare provider's instructions. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://john-apps.github.io/suppsy-privacy-policy/
Screenshots
Verdict
The clearest difference is in-app purchases: Supplement Tracker at none against RF 4DAT's 1. Supplement Tracker also leads on update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Supplement Tracker asks for nothing beyond the download.
RF 4DAT ships an update every 3 months, Supplement Tracker every 2 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.
| Parameter | RF 4DAT | Supplement Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 17.0 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | 4DAT LLC | John Kevin Basco |
In-app purchases
RF 4DAT
- RF 4DAT Pro$2.99
Supplement Tracker
No in-app purchases
Questions
Is RF 4DAT free?
Is Supplement Tracker free?
Do RF 4DAT or Supplement Tracker have ads?
Which is updated more often, RF 4DAT or Supplement Tracker?
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