App Overview

DVM Calc icon

DVM Calc

WestVet Emergency and Specialty Center · Medical

DVM Calc is the most comprehensive small animal veterinary calculator available for veterinarians, veterinary medical students, and veterinary technicians

$5.99 · In-app purchases

PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.4
17 ratings · Below Average

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included16 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for DVM Calc: map the core Medical workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Expand calculator functionalities and categories.

Assumption to check: Limited calculator options compared to competitor apps

Validate with people who use this workflow before building.

Hypothesis 2

Redesign the UI with a more contemporary look and feel.

Assumption to check: User interface is not very modern

Validate with people who use this workflow before building.

Hypothesis 3

Streamline the subscription management and offer clearer pricing information.

Assumption to check: In-app purchase process is confusing

Validate with people who use this workflow before building.

Hypothesis 4

Implement a feedback mechanism to gather user suggestions and improve the app.

Assumption to check: Lack of user feedback options

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

DVM Calc is the most comprehensive small animal veterinary calculator available for veterinarians, veterinary medical students, and veterinary technicians. Developed by a group of veterinary specialists and emergency veterinarians, this application contains 26 practical calculators, 15 specific constant rate infusion calculators, and 10 toxicity calculators. Each individual calculator includes an information sheet to explain the calculations. A useful “Notes” page is also included, which allows the user to enter, save and edit notes on multiple patients (up to 300 words/patient). A specific section is included for patient name, signalment and admit date. A basic numerical calculator is also included within the application to allow the user to carry out additional calculations, when necessary, without closing the application to open a separate calculator. DVM Calc includes: • Calculators • A-a Gradient • Anesthetic Preparation • Anion Gap • Bicarbonate Deficit • Blood Transfusion Dose • Body Surface Area • Corrected Sodium • Dehydration Deficit • Drip Rate Calculator • Enteral Feeding Calculator • Fractional Excretion of Sodium • Free Water Deficit • Gestation “Wheel” • Maintenance Fluid Rate • Metabolic Weight • Osmolality, Effective Osmolality and Osmolar Gap • Percent Solution Conversion/Calculator • Plasma Transfusion Dose/Albumin Deficit • Potassium Supplementation Calculator • Shock Fluid Doses – Isotonic, Synthetic Colloids, and Hypertonic Saline • Surgical Blood Loss Calculator • Temperature Conversion • Weight Conversions – kg/g/lb/oz Constant Rate Infusions – Full concentration or diluted within IV fluids Specific CRI Drugs (pre-set dosage recommendations) include: • Diazepam • Diltiazem • Dobutamine • Dopamine • Fentanyl – dilute • Fentanyl – full concentration • Insulin • Isoproterenol • Ketamine • Lidocaine • Metoclopramide • Morphine • Morphine/Lidocaine/Ketamine (MLK) • Procainamide • Propofol • Emergency Drug Calculator (CPR) – dog or cat specific and includes: Epinephrine (high and low dose) Atropine Lidocaine Sodium Bicarbonate Calcium Gluconate Magnesium Sulfate Vasopressin Naloxone Flumazenil Dextrose Defibrillation (internal and external) Crystalloid Fluid Rates – shock dose and maintenance Hetastarch Rates – shock dose and maintenance Toxicity Calculators – include: • Acetaminophen • Amphetamines • Chocolate/Methylxanthines • Cyanide • Ethylene Glycol • Metaldehyde • Rodenticides • Strychnine • Xylitol • Notes – Notes may be entered, saved and edited for each specific patient. Each individual patient note may have up to 300 words. • Basic Numerical Calculator – The basic numerical calculator will perform addition, subtraction, multiplication and division. Exponents, square roots and other higher math calculations are not supported. This application is intended for clinical use by veterinarians, veterinary students, and veterinary technicians. The included calculations are to be used as a resource with the understanding that the user’s medical knowledge and clinical judgment may supersede the output information. Like any tool, it is never a substitute for clinical judgment. Every effort has been made to ensure the accuracy of DVM Calc’s content, but all results must be confirmed before use. By purchasing this application the user releases the designers/developers/sellers from liability. Designer: John C. Chandler, DVM, MS, DACVS Programmer: Cody Brown Trumpetfish Productions

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
React Navigation
Axios
React Native Gesture Handler
SQLite
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.