Comparison

NOAH Compendium vs Vetcalculators

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

Head to head
About

NOAH Compendium

Access a comprehensive database of over 1,000 UK authorised animal medicines, including full product information and datasheets. Scan barcodes for quick access to vital details like dosing, warnings, and withdrawal periods. This tool aids responsible prescribing and safe administration of veterinary medicines.

Highlights
  • 1,000+ animal medicine listings
  • Dosing, warnings, and withdrawal periods
  • Datamatrix barcode scanner
  • Search by medication, manufacturer, GTIN
  • Offline access to datasheets
  • Notes and bookmarks for datasheets
Features
Read full description

**The UK's largest independent database of more than 1,000 UK authorised animal medicines - with updates** The NOAH Compendium is the recognised industry reference and is now complemented by the NOAH Compendium app. Information is now easily accessible and frequently updated. View the complete Summaries of Product Characteristics (SPCs) and Datasheets of UK animal medicines on your iPhone and iPad for easy access anywhere, even when there's no network connection. Easily scan datamatrix barcodes on veterinary medicinal product packaging to take you straight to important product information. The NOAH Compendium is an essential tool for responsible prescribing and use of authorised animal medicines. Regarded as one of the major reference sources on animal medicines, it includes full UK data sheets and SPCs for animal medicines NOAH Compendium makes it easy to find the vital information necessary for effective and safe administration, including indications, dosing, warnings, contraindications, precautions for use and withdrawal periods.GTINs are provided for the majority of products. Features include: • 1,000+ animal medicine listings • Safe administration, including indications, dosing, warnings, contraindications, precautions for use and withdrawal periods. • Datamatrix barcode scanner • Marketing Authorisation Holder information • Search by Medication, Manufacturer and GTIN New features include • Improved global search • Search within a datasheet • See datasheets with significant changes • Add notes to datasheets • Bookmark datasheets • Recently viewed datasheets • Activity tab showing bookmarks, notes, significant changes, recently viewed • Improved contact methods The NOAH Data Sheet Compendium contains data sheets for the majority of veterinary medicines authorised for use in the UK but it is not a complete list of them all. A full list of UK authorised veterinary medicines can be found on the VMD section of the .GOV website. http://www.noahcompendium.co.uk/information/privacy

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

NOAH Compendium4 screens
Vetcalculators4 screens

Verdict

The call

The clearest difference is review sentiment: NOAH Compendium at 100% against Vetcalculators's 43%. NOAH Compendium also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.7). Vetcalculators's advantage is ratings volume (618 vs 1) and chart position (#62 vs unranked). On price, update cadence, ads 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. NOAH Compendium asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NOAH Compendium 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 1, so its average is the more settled of the two. Written reviews point the same way: 100% of NOAH Compendium's written reviews are positive against 43% of Vetcalculators's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 2, 2026.

Scorecard7 real differences · 4 level
NOAH Compendium versus Vetcalculators: the parameters behind the verdict, then further details
ParameterNOAH CompendiumVetcalculators
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (618 ratings)
Positive reviews100.0% of reviews — better43.2% of reviews
Number of ratings1618 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
Best chart rank—#62 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.4 — better15.6
Further details — not scored
Size78 MB83 MB
Age rating4+17+
DeveloperNOAH LtdLifeLearn USA

Customer experience

NOAH Compendium

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Vetcalculators

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

Bugs and requests

NOAH Compendium

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

None

NOAH Compendium

No in-app purchases

1 purchases

Vetcalculators

Subscriptions1
  • Vetcalculators Subscription1 Month trial$3.991 Month

Questions

Is NOAH Compendium free?
NOAH Compendium is free to download, with no in-app purchases.
Is Vetcalculators free?
Vetcalculators is free to download, with in-app purchases available.
Which has better reviews, NOAH Compendium or Vetcalculators?
NOAH Compendium is rated higher. NOAH Compendium averages 5.0 out of 5 from 1 ratings, while Vetcalculators averages 4.7 from 618 ratings.
Do NOAH Compendium or Vetcalculators have ads?
Neither NOAH Compendium nor Vetcalculators shows ads.
Which is updated more often, NOAH Compendium or Vetcalculators?
NOAH Compendium ships an update every 2 months, and Vetcalculators every 2 months. Most recently, NOAH Compendium was updated on November 2, 2026 and Vetcalculators on November 2, 2026.

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