Comparison

Vetcalculators vs Plumb's | Standards

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Vetcalculators

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
Currently charting
Read full description

The Ultimate Veterinary Calculator App Vetcalculators is a Monthly Subscription. First Month is Free Vetcalculators is the number one Veterinary Calculator App for veterinarians, veterinary technicians, and staff. With Vetcalculators, one can quickly and easily calculate a variety of veterinary dosages and measurements. Vetcalculators includes calculators for: • Popup Drug Dose Calculator with ~200 veterinary drugs included • Emergency Drug dosage calculator • Anesthetic, Antibiotic and General drug dosage calculators • CRI (constant rate infusions) calculators • Fluid therapy rates • Blood glucose curve generator • Canine and Feline Calorie calculator • Pain score calculators • Chocolate toxicity • Rodenticide toxicity • Xylitol toxicity • Poisonous Plants • Blood transfusion volumes • Pet age and pregnancy calculator • Blood pressure • Trauma Triage scores • Modified Glasgow Coma score • Cushing diagnostic score • Unit conversion Vetcalculators also includes a variety of veterinary references, including: • Drug labels • IRIS stages • Pain scales • Normal lab values • Heartworm treatment protocols • Lab test protocols • Microchip lookup • Vertebral heart score • Body condition score charts • ACVIM Mitral Valve Disease 2019 Consensus Guidelines • ACVIM Feline Cardiomyopathy 2020 Consensus Guidelines • Dental charts • Feline and Canine AAHA Vaccination Guidelines • Flea and tick product information • Dog and cat breed search • RECOVER Guidelines • Document and QR code scanning Designed for Veterinarians by a Veterinarian, Vetcalculators is a valuable resource for all veterinarians, veterinary technicians, nurses, and staff. It can be used to calculate a variety of veterinary drug dosages, medical calculations, and measurements quickly and easily. The app also includes a variety of veterinary medical references. Download Vetcalculators today and start providing the best possible care for your patients! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Plumb's | Standards

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
Read full description

Welcome to Standards of Care, the veterinary clinical decision support tool from the team behind Plumb’s and Clinician’s Brief, with Plumb’s built in. Subscribed to Plumb’s? If you’re subscribed to the veterinary drug reference, Plumb’s, you can access all your prescribing information and tools in this app. Included in Plumb’s: - Comprehensive, continually updated veterinary drug and dosing information - Veterinary drug interaction checker with animal-specific guidance - A conversion calculator for quick math in the app - Notes feature for saving favorite notes and protocols - Convenient favorites feature for making your own quick reference list Visit plumbs.com to learn more. Subscribed to Standards™? If you’re subscribed to Standards of Care™, you can access all your Standards features (including Plumb’s) in this app. Included in Standards: - All the features of Plumb’s (see above) - Practical, peer-reviewed diagnosis and treatment monographs - An extensive library of diagnosis and management algorithms for step-by-step support - Peer-reviewed differential diagnosis lists - Shareable clinical handouts to support client education Visit standards.vet to learn more. DISCLAIMER Standards of Care and Plumb’s are online clinical resources to be used only for information purposes at the discretion of trained veterinary medical and pharmaceutical professionals to support diagnosis and treatment of small animal veterinary conditions. Learn more at standards.vet or plumbs.com. APP SUPPORT If you have feature requests or suggestions or simply need help, please visit help.plumbs.com and click on the chat icon to submit a request. Our responsive support team will be in touch with you. Privacy policy: https://plumbs.com/privacy-policy Terms of use: https://plumbs.com/terms-use Terms & conditions: https://plumbs.com/terms-conditions

Screenshots

Vetcalculators4 screens
Plumb's | Standards4 screens

Verdict

The call

The clearest difference is in-app purchases: Plumb's | Standards at none against Vetcalculators's 1. Plumb's | Standards also leads on update cadence (every 3 weeks vs every 3 months) and rating (4.9 vs 4.7). Vetcalculators's advantage is chart position (#41 vs unranked). On price, ads, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Plumb's | Standards holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Plumb's | Standards has 3.3K ratings behind it against 606, so its average is the more settled of the two. Written reviews point the same way: 45% of Vetcalculators's written reviews are positive against 57% of Plumb's | Standards's.

UpkeepUpdate frequency

Vetcalculators ships an update every 3 months, Plumb's | Standards every 3 weeks. Both last shipped on September 22, 2026.

Scorecard6 real differences · 5 level
Vetcalculators versus Plumb's | Standards: the parameters behind the verdict, then further details
ParameterVetcalculatorsPlumb's | Standards
PriceFreeFree
Rating4.7 (606 ratings)4.9 (3.3K ratings) — better
Positive reviews45.2% of reviews57.1% of reviews — better
Number of ratings6063.3K — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionSubscription
Best chart rank#41 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size85 MB62 MB
Age rating17+17+
DeveloperLifeLearn USABrief Media

Customer experience

Vetcalculators

All ratings606 ratings
Positive93.9%
Neutral1.5%
Negative4.6%
Written reviews42 reviews
Positive45.2%
Neutral2.4%
Negative52.4%

Plumb's | Standards

All ratings3,343 ratings
Positive98.8%
Neutral0.5%
Negative0.6%
Written reviews42 reviews
Positive57.1%
Neutral11.9%
Negative31.0%

User reviews

Vetcalculators

From 606 App Store ratings

What we love

  • 🚀 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

Room to improve

  • 💰 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

Plumb's | Standards

From 3.3K App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Vetcalculators

Reported bugs

8 issues
  • 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
Show 3 more
  • Subscription charges reappearing after app reinstallation
  • Recurring charges despite cancellation
  • Inconsistent functionality across different sessions

Requested features

8 requests
  • 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
Show 3 more
  • Ability to highlight/select individual drug line items
  • Improved drug order saving functionality
  • Free or freemium version with basic features

Plumb's | Standards

Reported bugs

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

Requested features

2 requests
  • Add calculator function
  • Improve renewal/subscription management

In-app purchases

1 purchases

Vetcalculators

Subscriptions1
  • Vetcalculators Subscription1 Month trial$3.991 Month
None

Plumb's | Standards

No in-app purchases

Questions

Is Vetcalculators free?
Vetcalculators is free to download, with in-app purchases available.
Is Plumb's | Standards free?
Plumb's | Standards is free to download, with no in-app purchases.
Which has better reviews, Vetcalculators or Plumb's | Standards?
Plumb's | Standards is rated higher. Vetcalculators averages 4.7 out of 5 from 606 ratings, while Plumb's | Standards averages 4.9 from 3.3K ratings.
Do Vetcalculators or Plumb's | Standards have ads?
Neither Vetcalculators nor Plumb's | Standards shows ads.
Which is updated more often, Vetcalculators or Plumb's | Standards?
Vetcalculators ships an update every 3 months, and Plumb's | Standards every 3 weeks. Most recently, Vetcalculators was updated on September 22, 2026 and Plumb's | Standards on September 22, 2026.

Other comparisons