# Tanglewood Rx vs DrDrugs

The clearest difference is in-app purchases: Tanglewood Rx at none against DrDrugs's 6. Tanglewood Rx also leads on ads (none vs shown). DrDrugs's advantage is update cadence (every 4 months vs every 43 months) and device support (4 vs 2). On price there is nothing between them.

Both are free to download. DrDrugs sells 6 in-app purchases, starting at $3.99 per month. Tanglewood Rx asks for nothing beyond the download.

Tanglewood Rx ships an update every 43 months, DrDrugs every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Tanglewood Rx | DrDrugs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (35 ratings)](https://appshunter.io/ios/app/drdrugs-guide-for-physicians/id1249280046/reviews)** |
| Number of ratings | — | **35** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Tanglewood Pharmacy, Inc](https://appshunter.io/developer/1257201095) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### Tanglewood Rx

[App page](https://appshunter.io/ios/app/tanglewood-rx/id1143644563)

**Features:** macOS Compatibility

**In-app purchases:** none


### DrDrugs

[App page](https://appshunter.io/ios/app/drdrugs-guide-for-physicians/id1249280046)

This medical reference app provides comprehensive drug information, including over 1,400 monographs and 700 dosing calculators. It focuses on safe practice and patient care, offering audio pronunciations and updated content for various patient populations and high-alert medications.

**Highlights:** 1,400+ drug monographs, 700+ built-in dosing calculators, Audio pronunciations for 1200+ drugs, NDC codes for 1300+ monographs, BEERS, REMS, and NDC indices, Pediatric, geriatric, and OB dosing, High Alert Medication identification

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drug Guide-Physicians 1/M Sub | $3.99 | per month |
| 25% off Limited Period Offer | $29.49 | per year |
| 20% off Limited Period Offer | $31.49 | per year |
| 15% off Limited Period offer | $33.49 | per year |
| Drug Guide-Physicians 1/Y Sub | $38.99 | per year |
| Drug Guide for Physicians,17Ed | $49.99 | one-time |


## Frequently asked questions

### Is Tanglewood Rx free?

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

### Is DrDrugs free?

DrDrugs is free to download, with in-app purchases available.

### Do Tanglewood Rx or DrDrugs have ads?

DrDrugs shows ads; Tanglewood Rx does not.

### Which is updated more often, Tanglewood Rx or DrDrugs?

Tanglewood Rx ships an update every 43 months, and DrDrugs every 4 months. Most recently, Tanglewood Rx was updated on November 2, 2026 and DrDrugs on November 2, 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.*