# Vetcalculators vs PrimVeterinary

Vetcalculators and PrimVeterinary both sit at 4.7 stars, but that hides the real split: 86% of PrimVeterinary's written reviews are positive against 43% of Vetcalculators's. PrimVeterinary also leads on in-app purchases (none vs 1). Vetcalculators's advantage is ratings volume (618 vs 39) and chart position (#66 vs unranked). On price, rating, ads and device support there is nothing between them.

Both are free to download. Vetcalculators sells 1 in-app purchase, starting at $3.99 per month. PrimVeterinary asks for nothing beyond the download.

PrimVeterinary holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Vetcalculators has 618 ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 43% of Vetcalculators's written reviews are positive against 86% of PrimVeterinary's.

Vetcalculators ships an update every 2 months, PrimVeterinary every 5 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vetcalculators | PrimVeterinary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (618 ratings)](https://appshunter.io/ios/app/vetcalculators/id1403466061/reviews) | **[4.9 (39 ratings)](https://appshunter.io/ios/app/primveterinary/id6755153912/reviews)** |
| Number of ratings | **618** | 39 |
| Positive reviews | 43.2% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#66** | — |
| Size | 83 MB | 44 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [LifeLearn USA](https://appshunter.io/developer/1642768183) | [Prim Veterinary Inc.](https://appshunter.io/developer/1852282803) |

## What reviewers say

### Vetcalculators

[App page](https://appshunter.io/ios/app/vetcalculators/id1403466061)

**Currently charting:** #66 Top Grossing · Medical (US App Store)

This app provides veterinarians and staff with a comprehensive suite of calculators for drug dosages, medical measurements, and patient assessments. It also includes a wide range of veterinary references for quick access to essential information.

**Highlights:** Drug dose calculators, Emergency drug dosages, Fluid therapy rates, Toxicity calculators, Pet age calculator, Veterinary references, Unit conversion

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vetcalculators Subscription | $3.99 | per month |

**What reviewers like**

- 🚀 Saves significant time on drug calculations
- ✅ Accurate dosage calculations reduce errors
- 📚 Comprehensive reference library with multiple resources
- 💊 Useful for emergency cases and anesthesia management
- 🔧 Highly customizable with favorites and personal dosages

**What reviewers complain about**

- 💰 Switched from one-time purchase to monthly subscription
- 🔐 No grandfathering for previous paid users
- 🐛 App frequently freezes or crashes on opening
- 🐛 Unresponsive UI elements that require repeated tapping
- 🌐 Requires internet connection to function

**Reported bugs**

- App crashes or closes immediately upon opening
- UI elements unresponsive to clicks and taps
- Drug database fails to load after updates
- Data not persisting when app order is changed
- New drugs and concentrations not saving properly

**Requested features**

- Support for additional animal species beyond dogs and cats
- Gram weight unit option in addition to lbs and kgs
- Cross-device data synchronization
- Offline functionality without internet requirement
- Student pricing or free tier option


### 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 Vetcalculators free?

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

### Is PrimVeterinary free?

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

### Which has better reviews, Vetcalculators or PrimVeterinary?

PrimVeterinary is rated higher. Vetcalculators averages 4.7 out of 5 from 618 ratings, while PrimVeterinary averages 4.9 from 39 ratings.

### Do Vetcalculators or PrimVeterinary have ads?

Neither Vetcalculators nor PrimVeterinary shows ads.

### Which is updated more often, Vetcalculators or PrimVeterinary?

Vetcalculators ships an update every 2 months, and PrimVeterinary every 5 months. Most recently, Vetcalculators was updated on November 6, 2026 and PrimVeterinary on October 30, 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.*