# RF 4DAT vs Supplement Tracker

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.

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.

## The numbers

| Metric | RF 4DAT | Supplement Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 1 MB | 47 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [4DAT LLC](https://appshunter.io/developer/1649051364) | [John Kevin Basco](https://appshunter.io/developer/1803746571) |

## 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 |


### Supplement Tracker

[App page](https://appshunter.io/ios/app/supplement-tracker-suppsy/id6790043116)

**In-app purchases:** none


## Frequently asked questions

### Is RF 4DAT free?

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

### Is Supplement Tracker free?

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

### Do RF 4DAT or Supplement Tracker have ads?

Neither RF 4DAT nor Supplement Tracker shows ads.

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

RF 4DAT ships an update every 3 months, and Supplement Tracker every 2 weeks. Most recently, RF 4DAT was updated on September 8, 2026 and Supplement Tracker on September 9, 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.*