# IDEXX Vello vs Markool

The clearest difference is update cadence: IDEXX Vello at fortnightly against Markool's every 3 months. Markool's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IDEXX Vello ships an update fortnightly, Markool every 3 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IDEXX Vello | Markool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (10 ratings)](https://appshunter.io/ios/app/idexx-vello/id6471983227/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 29 MB | 61 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [IDEXX Laboratories](https://appshunter.io/developer/791229002) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### IDEXX Vello

[App page](https://appshunter.io/ios/app/idexx-vello/id6471983227)

Manage your pet's health with ease. Receive appointment and health service reminders, access medical records, and get prescription details. Schedule appointments online for a smoother vet visit experience.

**Highlights:** Appointment reminders, Health service reminders, Online scheduling, Prescription details, Medical record access, Pre-appointment instructions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Markool

[App page](https://appshunter.io/ios/app/markool/id6751482004)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IDEXX Vello free?

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

### Is Markool free?

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

### Do IDEXX Vello or Markool have ads?

Neither IDEXX Vello nor Markool shows ads.

### Which is updated more often, IDEXX Vello or Markool?

IDEXX Vello ships an update fortnightly, and Markool every 3 months. Most recently, IDEXX Vello was updated on October 11, 2026 and Markool on October 7, 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.*