# Plumb's | Standards vs PrimVeterinary

The clearest difference is monetization model: PrimVeterinary at free against Plumb's | Standards's subscription. PrimVeterinary also leads on review sentiment (86% vs 57%). Plumb's | Standards's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (3.3K vs 30). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for Plumb's | Standards against 4.9 for PrimVeterinary. That said, the two scores are not equally well evidenced: Plumb's | Standards has 3.3K ratings behind it against 30, so its average is the more settled of the two. Written reviews are what separate them: 57% of Plumb's | Standards's written reviews are positive against 86% of PrimVeterinary's.

Plumb's | Standards ships an update every 3 weeks, PrimVeterinary every 5 months. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Plumb's | Standards | PrimVeterinary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (3.3K ratings)](https://appshunter.io/ios/app/plumbs-standards/id1556729700/reviews) | [4.9 (30 ratings)](https://appshunter.io/ios/app/primveterinary/id6755153912/reviews) |
| Number of ratings | **3.3K** | 30 |
| Positive reviews | 57.1% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Subscription | **Free** |
| Size | 62 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Brief Media](https://appshunter.io/developer/1018418856) | [Prim Veterinary Inc.](https://appshunter.io/developer/1852282803) |

## What reviewers say

### 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


### PrimVeterinary

[App page](https://appshunter.io/ios/app/primveterinary/id6755153912)

This evidence-based knowledge engine provides veterinary professionals with quick answers from trusted sources. Designed for professional use, it serves as a clinical support tool.

**Highlights:** Evidence-based knowledge engine, Quick answers from trusted sources, Veterinary clinical support, Professional use only

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

**In-app purchases:** none


## Frequently asked questions

### Is Plumb's | Standards free?

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

### Is PrimVeterinary free?

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

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

Plumb's | Standards and PrimVeterinary are both rated 4.9 out of 5 on the App Store, from 3.3K and 30 ratings respectively.

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

Neither Plumb's | Standards nor PrimVeterinary shows ads.

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

Plumb's | Standards ships an update every 3 weeks, and PrimVeterinary every 5 months. Most recently, Plumb's | Standards was updated on September 22, 2026 and PrimVeterinary on September 14, 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.*