# PRO vs Keub

The clearest difference is update cadence: Keub at every 5 days against PRO's every 5 weeks. 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.

PRO ships an update every 5 weeks, Keub every 5 days. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PRO | Keub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keub/id6761382024/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 4.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 5 MB | 65 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Professional Laboratories](https://appshunter.io/developer/1251063237) | [Keubit](https://appshunter.io/developer/1889257103) |

## What reviewers say

### PRO

[App page](https://appshunter.io/ios/app/pro-lab-test-kits/id1451845323)

This app provides access to a comprehensive range of home safety test kits. These kits accurately measure dangerous pollutants and contaminants in your home or office. All analyses are conducted by accredited laboratories using approved methods.

**Highlights:** Home safety test kits, Pollutant measurement, Contaminant detection, Laboratory analysis, Non-toxic kits

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple registration process
- 📧 Email notification for test results

**What reviewers complain about**

- 🚫 Doesn't work for Canadian users
- 🐛 Registration issues - 'all fields required' error
- 💤 App is not updated or maintained
- 🤔 Unclear purpose and functionality of the app

**Reported bugs**

- Registration process doesn't work
- App crashes on certain devices
- Incompatible with current OS versions

**Requested features**

- Ability to save and view historical test results
- Option to pay for tests through the app
- Support for Canadian addresses and postal codes


### Keub

[App page](https://appshunter.io/ios/app/keub/id6761382024)

This platform offers a secure and convenient way to rent smart lockers for storing belongings like luggage or shopping bags. Easily book, access, and manage your rentals through an intuitive mobile interface, receiving digital receipts for every transaction.

**Highlights:** Smart locker booking, Secure locker access via PIN, Rental management, Digital receipts, Profile management, Intuitive user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is PRO free?

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

### Is Keub free?

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

### Do PRO or Keub have ads?

Neither PRO nor Keub shows ads.

### Which is updated more often, PRO or Keub?

PRO ships an update every 5 weeks, and Keub every 5 days. Most recently, PRO was updated on October 18, 2026 and Keub on October 16, 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.*