# Vetcalculators vs USALIMS

The clearest difference is review sentiment: USALIMS at 100% against Vetcalculators's 43%. USALIMS also leads on in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.6). Vetcalculators's advantage is rating (4.7 vs 4.0) and ratings volume (618 vs 2). On price, ads and device support there is nothing between them.

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

Vetcalculators holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Vetcalculators has 618 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 43% of Vetcalculators's written reviews are positive against 100% of USALIMS's, so the app with the better star average is not the one people write more warmly about.

Vetcalculators ships an update every 2 months, USALIMS every 4 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Vetcalculators | USALIMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (618 ratings)](https://appshunter.io/ios/app/vetcalculators/id1403466061/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/usalims-a/id1545198930/reviews) |
| Number of ratings | **618** | 2 |
| Positive reviews | 43.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#78** | — |
| Size | 83 MB | 79 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [LifeLearn USA](https://appshunter.io/developer/1642768183) | [Acclaim Systems, Inc.](https://appshunter.io/developer/1506950354) |

## What reviewers say

### Vetcalculators

[App page](https://appshunter.io/ios/app/vetcalculators/id1403466061)

**Currently charting:** #78 Top Grossing · Medical (US App Store)

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:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vetcalculators Subscription | $3.99 | per month |

**What reviewers like**

- 🚀 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

**What reviewers complain about**

- 💰 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

**Reported bugs**

- 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

**Requested features**

- 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


### USALIMS

[App page](https://appshunter.io/ios/app/usalims-a/id1545198930)

This app enables veterinarians to order EIA testing by submitting animal details and collection information to select laboratories. It streamlines the accession submission process for veterinary diagnostics.

**Highlights:** Order EIA testing, Submit animal details, Collect information, Submit accession to labs, Supports select laboratories

**In-app purchases:** none


## Frequently asked questions

### Is Vetcalculators free?

Vetcalculators is free to download, with in-app purchases available.

### Is USALIMS free?

USALIMS is free to download, with no in-app purchases.

### Which has better reviews, Vetcalculators or USALIMS?

Vetcalculators is rated higher. Vetcalculators averages 4.7 out of 5 from 618 ratings, while USALIMS averages 4.0 from 2 ratings.

### Do Vetcalculators or USALIMS have ads?

Neither Vetcalculators nor USALIMS shows ads.

### Which is updated more often, Vetcalculators or USALIMS?

Vetcalculators ships an update every 2 months, and USALIMS every 4 months. Most recently, Vetcalculators was updated on November 6, 2026 and USALIMS on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*