# IDEXX SmartFlow vs Vetcalculators

The clearest difference is rating: Vetcalculators at 4.7 against IDEXX SmartFlow's 3.2. Vetcalculators also leads on ratings volume (618 vs 14) and chart position (#55 vs unranked). IDEXX SmartFlow's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 2 months). On price, review sentiment, ads and iOS requirement there is nothing between them.

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

Vetcalculators holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Vetcalculators has 618 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 40% of IDEXX SmartFlow's written reviews are positive against 43% of Vetcalculators's.

IDEXX SmartFlow ships an update every 5 days, Vetcalculators every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | IDEXX SmartFlow | Vetcalculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (14 ratings)](https://appshunter.io/ios/app/idexx-smartflow/id599749345/reviews) | **[4.7 (618 ratings)](https://appshunter.io/ios/app/vetcalculators/id1403466061/reviews)** |
| Number of ratings | 14 | **618** |
| Positive reviews | 40.0% of reviews | **43.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | **Free** | Subscription |
| Best chart rank | — | **#55** |
| Size | 73 MB | 83 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [IDEXX Laboratories](https://appshunter.io/developer/791229002) | [LifeLearn USA](https://appshunter.io/developer/1642768183) |

## What reviewers say

### IDEXX SmartFlow

[App page](https://appshunter.io/ios/app/idexx-smartflow/id599749345)

This medical practice management tool streamlines patient visits with digital forms, an electronic whiteboard, and digitized treatment sheets. It automates charge capture, enhances team communication, and provides analytics to identify workflow bottlenecks.

**Highlights:** Digital consent forms, Electronic whiteboard, Digitized treatment sheets, Digital dental charts, Anesthesia charting, Practice analytics

**Features:** Vision Pro support

**In-app purchases:** none


### Vetcalculators

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

**Currently charting:** #55 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


## Frequently asked questions

### Is IDEXX SmartFlow free?

IDEXX SmartFlow 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, IDEXX SmartFlow or Vetcalculators?

Vetcalculators is rated higher. IDEXX SmartFlow averages 3.2 out of 5 from 14 ratings, while Vetcalculators averages 4.7 from 618 ratings.

### Do IDEXX SmartFlow or Vetcalculators have ads?

Neither IDEXX SmartFlow nor Vetcalculators shows ads.

### Which is updated more often, IDEXX SmartFlow or Vetcalculators?

IDEXX SmartFlow ships an update every 5 days, and Vetcalculators every 2 months. Most recently, IDEXX SmartFlow was updated on November 1, 2026 and Vetcalculators on November 2, 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.*