# PAAI vs Plumb's | Standards

PAAI and Plumb's | Standards both sit at 5.0 stars, but that hides the real split: 100% of PAAI's written reviews are positive against 56% of Plumb's | Standards's. PAAI also leads on monetization model (free vs subscription). Plumb's | Standards's advantage is ratings volume (3.4K vs 2) and update cadence (every 3 weeks vs every 4 months). 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 — 5.0 for PAAI against 4.9 for Plumb's | Standards. That said, the two scores are not equally well evidenced: Plumb's | Standards has 3.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of PAAI's written reviews are positive against 56% of Plumb's | Standards's.

PAAI ships an update every 4 months, Plumb's | Standards every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PAAI | Plumb's | Standards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/paai/id1071714409/reviews)** | [4.9 (3.4K ratings)](https://appshunter.io/ios/app/plumbs-standards/id1556729700/reviews) |
| Number of ratings | 2 | **3.4K** |
| Positive reviews | **100.0% of reviews** | 55.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 8 MB | 62 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Square InformatiX Limited](https://appshunter.io/developer/1071714408) | [Brief Media](https://appshunter.io/developer/1018418856) |

## What reviewers say

### PAAI

[App page](https://appshunter.io/ios/app/paai/id1071714409)

This app serves as a comprehensive mobile veterinary drug index, offering detailed information on a wide array of animal health products and diseases. It covers various therapeutic classes and provides specifics on product prescriptions and disease management, including causal agents and treatments.

**Highlights:** Veterinary and aqua product index, Disease information, Product prescription details, Therapeutic class coverage, Causal agent and treatment info

**Features:** macOS Compatibility, 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 PAAI free?

PAAI 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, PAAI or Plumb's | Standards?

PAAI is rated higher. PAAI averages 5.0 out of 5 from 2 ratings, while Plumb's | Standards averages 4.9 from 3.4K ratings.

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

Neither PAAI nor Plumb's | Standards shows ads.

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

PAAI ships an update every 4 months, and Plumb's | Standards every 3 weeks. Most recently, PAAI was updated on November 2, 2026 and Plumb's | Standards on November 3, 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.*