Comparison

VetPDA Calcs 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

VetPDA Calcs

This app offers 21 essential calculators for veterinary medicine students and professionals. It includes tools for anesthesia, fluid management, drug dosing, and more, with informative sheets explaining each calculator's use.

Highlights
  • 21 veterinary calculators
  • Anesthesia drug calculations
  • Fluid management tools
  • Dosing and infusion calculators
  • Information sheets for each calculator
Features
Currently charting
Read full description

VetPDA Calcs contains 21 useful calculators for Veterinary Medicine students and professionals. Included Calculators: • A-a Gradient • Anesthesia Drug calc • Anion Gap • Blood Gas Analysis • Bicarbonate Dosing • Body Surface Area • Combining Fluids • Constant Rate of Infusion calc • Dosing calc • Drip Rates • Echo Values • Energy Requirements • Equine Fluids • Fluid Plan • Fractional Excretion of Sodium • Maintenance Fluids • Osmolality • Percentage Solutions • Temperature conversion • Transfusion calc • Weight Conversion Other Features: • Information sheets for calculators describe how and why to use each calculator

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

VetPDA Calcs2 screens
Plumb's | Standards4 screens

Verdict

The call

The clearest difference is price: Plumb's | Standards at Free against VetPDA Calcs's $4.99. Plumb's | Standards also leads on ratings volume (3.4K vs 16) and update cadence (every 3 weeks vs every 2 months). VetPDA Calcs's advantage is review sentiment (83% vs 56%) and chart position (#118 vs unranked). On rating, ads, in-app purchases 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

Plumb's | Standards is free to download; VetPDA Calcs costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for VetPDA Calcs 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 16, so its average is the more settled of the two. Written reviews are what separate them: 83% of VetPDA Calcs's written reviews are positive against 56% of Plumb's | Standards's.

UpkeepUpdate frequency

VetPDA Calcs ships an update every 2 months, Plumb's | Standards every 3 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard7 real differences · 4 level
VetPDA Calcs versus Plumb's | Standards: the parameters behind the verdict, then further details
ParameterVetPDA CalcsPlumb's | Standards
Price$4.99Free — better
Rating4.9 (16 ratings)4.9 (3.4K ratings) — better
Positive reviews82.6% of reviews — better55.8% of reviews
Number of ratings163.4K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid — betterSubscription
Best chart rank#118 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.3 — better15.1
Further details — not scored
Size2 MB62 MB
Age rating17+17+
DeveloperUniversity of California, DavisBrief Media

Customer experience

VetPDA Calcs

All ratings16 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews23 reviews
Positive82.6%
Neutral4.3%
Negative13.0%

Plumb's | Standards

All ratings3,416 ratings
Positive98.8%
Neutral0.5%
Negative0.6%
Written reviews43 reviews
Positive55.8%
Neutral11.6%
Negative32.6%

Bugs and requests

VetPDA Calcs

Not enough reviews yet to summarise bugs or requests.

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

None

VetPDA Calcs

No in-app purchases

None

Plumb's | Standards

No in-app purchases

Questions

Is VetPDA Calcs free?
VetPDA Calcs costs $4.99, 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, VetPDA Calcs or Plumb's | Standards?
Plumb's | Standards is rated higher. VetPDA Calcs averages 4.9 out of 5 from 16 ratings, while Plumb's | Standards averages 4.9 from 3.4K ratings.
Do VetPDA Calcs or Plumb's | Standards have ads?
Neither VetPDA Calcs nor Plumb's | Standards shows ads.
Which is updated more often, VetPDA Calcs or Plumb's | Standards?
VetPDA Calcs ships an update every 2 months, and Plumb's | Standards every 3 weeks. Most recently, VetPDA Calcs was updated on October 29, 2026 and Plumb's | Standards on October 27, 2026.

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