# Plumb's | Standards vs Roo

The clearest difference is monetization model: Roo at free against Plumb's | Standards's subscription. Roo also leads on update cadence (weekly vs every 3 weeks) and review sentiment (64% vs 56%). On price, rating, ratings volume and ads 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 Roo. Both are backed by a comparable volume of ratings — 3.4K and 2.1K respectively. Written reviews are what separate them: 56% of Plumb's | Standards's written reviews are positive against 64% of Roo's.

Plumb's | Standards ships an update every 3 weeks, Roo weekly. Both last shipped on November 7, 2026.

## The numbers

| Metric | Plumb's | Standards | Roo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.4K ratings)](https://appshunter.io/ios/app/plumbs-standards/id1556729700/reviews)** | [4.9 (2.1K ratings)](https://appshunter.io/ios/app/roo-veterinary-relief/id1566884935/reviews) |
| Number of ratings | **3.4K** | 2.1K |
| Positive reviews | 55.8% of reviews | **64.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Subscription | **Free** |
| Size | 62 MB | 176 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Brief Media](https://appshunter.io/developer/1018418856) | [Roo Veterinary, Inc.](https://appshunter.io/developer/1566883073) |

## 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


### Roo

[App page](https://appshunter.io/ios/app/roo-veterinary-relief/id1566884935)

Connects veterinary professionals with relief shifts and hospitals seeking coverage. Offers tools for finding, booking, and managing shifts, streamlining the process for both vets/techs and animal hospitals.

**Highlights:** Book veterinary relief shifts, Find Vets and Techs for hospitals, Manage relief schedules, Search and filter shifts, Track earnings, In-app messaging, Zero paperwork

**Features:** macOS Compatibility, Apple Wallet, 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 Roo free?

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

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

Plumb's | Standards is rated higher. Plumb's | Standards averages 4.9 out of 5 from 3.4K ratings, while Roo averages 4.9 from 2.1K ratings.

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

Neither Plumb's | Standards nor Roo shows ads.

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

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