# PDK Access by ProdataKey vs Mi9 Merchant

The clearest difference is chart position: PDK Access by ProdataKey at #157 against Mi9 Merchant's unranked. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PDK Access by ProdataKey | Mi9 Merchant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (993 ratings)](https://appshunter.io/ios/app/pdk-access-by-prodatakey/id1458630045/reviews)** | — |
| Number of ratings | **993** | — |
| Positive reviews | 22.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Best chart rank | **#157** | — |
| Size | 103 MB | 60 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ProdataKey, Inc.](https://appshunter.io/developer/1160020607) | [MI9 Business Intelligence Systems Inc.](https://appshunter.io/developer/613684656) |

## What reviewers say

### PDK Access by ProdataKey

[App page](https://appshunter.io/ios/app/pdk-access-by-prodatakey/id1458630045)

**Currently charting:** #157 Top Free · Business (US App Store)

Transform your smartphone into a secure mobile credential, eliminating the need for physical access cards. Easily send or receive digital credentials for properties via email. This app offers powerful access control for employees, administrators, and installation partners.

**Highlights:** Unlock doors with phone via Bluetooth, Tap-to-unlock functionality, Send/receive digital credentials via email, Grant/revoke user access, Manage schedules and view reports, Remote system management for administrators, Streamlined installation and configuration for technicians

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Unlock at any distance
- 👍 Works great, very responsive
- 👍 Great app
- 👍 No issues
- 👍 App has improved

**What reviewers complain about**

- 🐛 Viva Townhomes issues
- 🐛 Slow
- 🐛 Update needed
- 🐛 Full of bugs
- 🐛 App is terrible

**Reported bugs**

- Crashed and wont let me recover
- Update Needed
- New Update Crash
- App instantly crashes 2.4.1
- Unstable

**Requested features**

- Apple Watch app
- Widget support
- Apple CarPlay
- Apple Watch and Fitbit Apps


### Mi9 Merchant

[App page](https://appshunter.io/ios/app/mi9-merchant/id1546862254)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDK Access by ProdataKey free?

PDK Access by ProdataKey is free to download, with no in-app purchases.

### Is Mi9 Merchant free?

Mi9 Merchant is free to download, with no in-app purchases.

### Do PDK Access by ProdataKey or Mi9 Merchant have ads?

Neither PDK Access by ProdataKey nor Mi9 Merchant shows ads.

### Which is updated more often, PDK Access by ProdataKey or Mi9 Merchant?

PDK Access by ProdataKey ships an update every 2 months, and Mi9 Merchant every 2 months. Most recently, PDK Access by ProdataKey was updated on October 29, 2026 and Mi9 Merchant on October 18, 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.*