Comparison

VPOP® PRO vs Vetcalculators

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

Head to head
About

VPOP® PRO

This app provides virtual preoperative orthopaedic planning tools for veterinary surgeons. It allows for efficient and precise planning of procedures like TPLO, CCWO, and CBLO, and templating of total hip replacements. Users can visualize target postoperative radiographs and share case studies easily.

Highlights
  • Virtual preoperative orthopaedic planning
  • TPLO, CCWO, CBLO planning
  • Total hip replacement templating
  • Intuitive planning tools
  • Comprehensive implant library
  • Cross-platform accessibility
  • Secure cloud storage
Features
Read full description

VPOP® PRO is the world’s leading Virtual Preoperative Orthopaedic Planning solution, designed by surgeons, for surgeons. Plan your TPLO, CCWO or CBLO in minutes, template your total hip replacement in seconds, all with unmatched efficiency and precision. No more acetates, cumbersome catalogues or rotation charts. You can now precisely visualise your target postoperative radiograph and plan the simple steps to get there. Features: - Intuitive Planning Tools: Easily plan procedures such as TPLO, CCWO, and CBLO in minutes. - Comprehensive Implant Library: Access a vast array of implants. - Seamless Integration: Coordinate your patients, surgical tools, and implants in one central hub, from consultation to the operating room. - Cross-Platform Accessibility: Plan and review surgeries on any device, whether you're in the clinic, at home, or on the go. - Secure Cloud Storage: Safely store and access all your surgical plans and patient data with robust cloud security. - User-Friendly Interface: Navigate through the app with ease thanks to a new intuitive and sleek design. - Surgeon designed Tools: Unique intuitive virtual osteotomy and measuring tools at your fingertips. Benefits: - Time savings: VPOP PRO seamlessly and intuitively combines all your patient data, surgical planning tools and 1000’s of implants from 32 manufacturers worldwide, with multi-platform access, in one easy to manage subscription. - Increase Precision: Visualise target postoperative radiographs and plan each step to achieve optimal outcomes. - Collaboration in a click: Every case study is a URL, that you can instantly export to share in a message, to a forum, even by airdrop. In an instant you can now educate or collaborate as a mentor or mentee and share the whole case complete with the signalment, lab work, clinical history in one simple convenient efficient manner. - Improve Workflow: Streamline your entire surgical planning process, from initial consultation to postoperative review. - Stay Up to Date: Always have access to the latest implant options and surgical techniques. Transform your veterinary orthopaedic planning with VPOP® PRO. Whether you're a seasoned surgeon, a professor, a training provider or a student, VPOP® PRO offers the tools and support you need to excel. Subscription: To continue using the VPOP PRO service, obtain updated implants and tools a subscription is necessary. 1 month and 1 year auto-renewable subscriptions are available - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of use: https://support.vpop-pro.com/portal/en/kb/articles/vpop-pro-app-terms-and-conditions-and-licence Privacy policy: https://support.vpop-pro.com/portal/en/kb/articles/privacy-policy

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/

Screenshots

VPOP® PRO4 screens
Vetcalculators4 screens

Verdict

The call

The clearest difference is review sentiment: VPOP® PRO at 83% against Vetcalculators's 43%. VPOP® PRO also leads on monetization model (free with in-app purchases vs subscription) and rating (5.0 vs 4.7). Vetcalculators's advantage is ratings volume (618 vs 7) and chart position (#67 vs unranked). On price, 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

Both are free to download. VPOP® PRO sells 4 in-app purchases, starting at $15.00 per month and Vetcalculators sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

VPOP® PRO holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Vetcalculators has 618 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 83% of VPOP® PRO's written reviews are positive against 43% of Vetcalculators's.

UpkeepUpdate frequency

VPOP® PRO ships an update every 4 weeks, Vetcalculators every 2 months. Both last shipped on November 6, 2026.

Scorecard6 real differences · 5 level
VPOP® PRO versus Vetcalculators: the parameters behind the verdict, then further details
ParameterVPOP® PROVetcalculators
PriceFreeFree
Rating5.0 (7 ratings) — better4.7 (618 ratings)
Positive reviews83.3% of reviews — better43.2% of reviews
Number of ratings7618 — better
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank—#67 — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size25 MB83 MB
Age rating17+17+
DeveloperVetSOS EducationLifeLearn USA

Customer experience

VPOP® PRO

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Vetcalculators

All ratings615 ratings
Positive93.8%
Neutral1.5%
Negative4.7%
Written reviews44 reviews
Positive43.2%
Neutral2.3%
Negative54.5%

Bugs and requests

VPOP® PRO

Not enough reviews yet to summarise bugs or 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

In-app purchases

4 purchases

VPOP® PRO

Subscriptions4
  • vPOP PRO service 1 month1 Month trial$15.001 Month
  • Mobile PRO Monthly$25.001 Month
  • vPOP PRO service 1 year1 Month trial$150.001 Year
Show 1 more
  • Mobile PRO Yearly$250.001 Year
1 purchases

Vetcalculators

Subscriptions1
  • Vetcalculators Subscription1 Month trial$3.991 Month

Questions

Is VPOP® PRO free?
VPOP® PRO is free to download, with in-app purchases available.
Is Vetcalculators free?
Vetcalculators is free to download, with in-app purchases available.
Which has better reviews, VPOP® PRO or Vetcalculators?
VPOP® PRO is rated higher. VPOP® PRO averages 5.0 out of 5 from 7 ratings, while Vetcalculators averages 4.7 from 618 ratings.
Do VPOP® PRO or Vetcalculators have ads?
Neither VPOP® PRO nor Vetcalculators shows ads.
Which is updated more often, VPOP® PRO or Vetcalculators?
VPOP® PRO ships an update every 4 weeks, and Vetcalculators every 2 months. Most recently, VPOP® PRO was updated on November 6, 2026 and Vetcalculators on November 6, 2026.

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