# IDEXX Vello vs Black

The clearest difference is review sentiment: Black at 100% against IDEXX Vello's 33%. Black also leads on rating (5.0 vs 4.4) and device support (3 vs 1). IDEXX Vello's advantage is update cadence (fortnightly vs every 6 months) and ratings volume (31 vs 8). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Black holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 31 and 8 respectively. Written reviews point the same way: 33% of IDEXX Vello's written reviews are positive against 100% of Black's.

IDEXX Vello ships an update fortnightly, Black every 6 months. The most recent releases landed on November 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IDEXX Vello | Black |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/idexx-vello/id6471983227/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/black-haak/id6745274642/reviews)** |
| Number of ratings | **31** | 8 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free | Free |
| Size | 29 MB | 355 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [IDEXX Laboratories](https://appshunter.io/developer/791229002) | [Black-Haak Heating Inc](https://appshunter.io/developer/1811613138) |

## 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


### Black

[App page](https://appshunter.io/ios/app/black-haak/id6745274642)

Manage your smart home devices, optimize energy usage, and prevent water damage with this intuitive application. It offers enhanced security features and convenient control over your home's comfort and safety.

**Highlights:** Energy savings optimization, HVAC system monitoring, Water leak detection alerts, Automated lighting for security, Centralized smart device control

**Features:** macOS Compatibility, Apple Watch app, 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 Black free?

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

### Which has better reviews, IDEXX Vello or Black?

Black is rated higher. IDEXX Vello averages 4.4 out of 5 from 31 ratings, while Black averages 5.0 from 8 ratings.

### Do IDEXX Vello or Black have ads?

Neither IDEXX Vello nor Black shows ads.

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

IDEXX Vello ships an update fortnightly, and Black every 6 months. Most recently, IDEXX Vello was updated on November 9, 2026 and Black on October 30, 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.*