# PDK vs Slack for EMM

The clearest difference is update cadence: Slack for EMM at weekly against PDK's monthly. PDK's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

PDK ships an update monthly, Slack for EMM weekly. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDK | Slack for EMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (407 ratings)](https://appshunter.io/ios/app/slack-for-emm/id1254292716/reviews)** |
| Number of ratings | — | **407** |
| Positive reviews | — | 35.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 77 MB | 337 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [GuangDong Kate automobile service co.,LTD](https://appshunter.io/developer/1166931617) | [Slack Technologies, Inc.](https://appshunter.io/developer/453420243) |

## What reviewers say

### PDK

[App page](https://appshunter.io/ios/app/pdk/id1166931618)

**Features:** macOS Compatibility

**In-app purchases:** none


### Slack for EMM

[App page](https://appshunter.io/ios/app/slack-for-emm/id1254292716)

This app facilitates business communication for organizations utilizing Enterprise Mobility Management (EMM). It's designed for specific enterprise environments, and users unsure of their EMM status should opt for the standard version.

**Highlights:** Enterprise Mobility Management integration, Secure business communication, Team messaging, Channel-based conversations

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient for business communication
- 👍 Keeps employees in touch
- 👍 Great for work communication
- 👍 Easy to use
- 👍 Super intuitive

**What reviewers complain about**

- 👎 Overwhelming and hard to keep up
- 👎 Too much noise
- 👎 Search is horrible
- 👎 Notifications are inconsistent
- 👎 Slow performance

**Reported bugs**

- App crashes on large threads
- App crashes immediately on opening
- Cannot type in landscape mode on phone
- Status text clears out every few seconds on iOS
- Hangout calls drop when device screen lock engages

**Requested features**

- Ability to rename/display name channels
- Improve search functionality
- Allow users to hold messages when DND/Vacation is activated
- Better huddle and collaboration features
- Improve notification consistency for unread messages


## Frequently asked questions

### Is PDK free?

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

### Is Slack for EMM free?

Slack for EMM is free to download, with no in-app purchases.

### Do PDK or Slack for EMM have ads?

Neither PDK nor Slack for EMM shows ads.

### Which is updated more often, PDK or Slack for EMM?

PDK ships an update monthly, and Slack for EMM weekly. Most recently, PDK was updated on October 5, 2026 and Slack for EMM on October 24, 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.*