# ZoetisDx vs Plumb's | Standards

The clearest difference is review sentiment: Plumb's | Standards at 56% against ZoetisDx's 0%. Plumb's | Standards also leads on rating (4.9 vs 2.3) and ratings volume (3.4K vs 27). ZoetisDx's advantage is monetization model (free vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Plumb's | Standards holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Plumb's | Standards has 3.4K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 0% of ZoetisDx's written reviews are positive against 56% of Plumb's | Standards's.

ZoetisDx ships an update every 5 weeks, Plumb's | Standards every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ZoetisDx | Plumb's | Standards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (27 ratings)](https://appshunter.io/ios/app/zoetisdx/id1545264353/reviews) | **[4.9 (3.4K ratings)](https://appshunter.io/ios/app/plumbs-standards/id1556729700/reviews)** |
| Number of ratings | 27 | **3.4K** |
| Positive reviews | 0.0% of reviews | **55.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 93 MB | 62 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Zoetis Inc](https://appshunter.io/developer/640676184) | [Brief Media](https://appshunter.io/developer/1018418856) |

## What reviewers say

### ZoetisDx

[App page](https://appshunter.io/ios/app/zoetisdx/id1545264353)

Access veterinary diagnostic results and clinical consultation services on the go. This app offers an intuitive interface for veterinarians and practice staff to quickly view patient results from any device, anywhere, anytime.

**Highlights:** View diagnostic results, Access clinical consultation services, Intuitive interface, Web and mobile experience, Access from any device

**Features:** Vision Pro support

**In-app purchases:** none


### Plumb's | Standards

[App page](https://appshunter.io/ios/app/plumbs-standards/id1556729700)

This app provides trusted veterinary clinical decision support, integrating comprehensive drug information and treatment guidance. It offers tools for diagnosis, treatment, and client education, designed for veterinary professionals.

**Highlights:** Veterinary drug and dosing information, Drug interaction checker, Conversion calculator, Diagnosis and treatment monographs, Management algorithms, Differential diagnosis lists, Client education handouts

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Super helpful
- 👍 Excellent resource
- 👍 Very helpful and easy to use
- 👍 Worth the price
- 👍 Amazing app

**What reviewers complain about**

- 🐛 Signing in issues
- 🐛 Impossible to get an answer from Support
- 💰 Disappointed - Careful before purchasing!
- 🐛 No calculator
- 🐛 Imposible to renew

**Reported bugs**

- Signing in issues
- Crashing
- Login/password reset problems
- Compatibility issues on iPad

**Requested features**

- Add calculator function
- Improve renewal/subscription management


## Frequently asked questions

### Is ZoetisDx free?

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

### Is Plumb's | Standards free?

Plumb's | Standards is free to download, with no in-app purchases.

### Which has better reviews, ZoetisDx or Plumb's | Standards?

Plumb's | Standards is rated higher. ZoetisDx averages 2.3 out of 5 from 27 ratings, while Plumb's | Standards averages 4.9 from 3.4K ratings.

### Do ZoetisDx or Plumb's | Standards have ads?

Neither ZoetisDx nor Plumb's | Standards shows ads.

### Which is updated more often, ZoetisDx or Plumb's | Standards?

ZoetisDx ships an update every 5 weeks, and Plumb's | Standards every 3 weeks. Most recently, ZoetisDx was updated on November 3, 2026 and Plumb's | Standards on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*