# ZK SmartKey vs MSGP

The clearest difference is rating: MSGP at 4.0 against ZK SmartKey's 1.7. ZK SmartKey's advantage is ratings volume (13 vs 4) and iOS requirement (9.0 vs 15.5). 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.

MSGP holds the better App Store score, 4.0 against 1.7. Both are backed by a comparable volume of ratings — 13 and 4 respectively.

ZK SmartKey ships an update monthly, MSGP every 3 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ZK SmartKey | MSGP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (13 ratings)](https://appshunter.io/ios/app/zk-smartkey/id1399544296/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/msgp/id1665817043/reviews)** |
| Number of ratings | **13** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 145 MB | 80 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ZKTeco Inc.](https://appshunter.io/developer/955313767) | [ARMATURA LLC](https://appshunter.io/developer/1629394074) |

## What reviewers say

### ZK SmartKey

[App page](https://appshunter.io/ios/app/zk-smartkey/id1399544296)

Manage your smart door locks from your mobile device. Grant temporary access, register users via fingerprint or PIN, and track entry records. Control lock volume and reset settings remotely.

**Highlights:** Visitor mode with temporary passcode sharing, User registration via fingerprint, card, or PIN, Access records check (who and when), Time zone access control, Adjustable volume settings (high, low, mute), Remote lock initialization and normal open, Real-time battery status monitoring

**In-app purchases:** none


### MSGP

[App page](https://appshunter.io/ios/app/msgp/id1665817043)

Manage visitor access and schedule appointments seamlessly. Receive real-time notifications when guests arrive and easily send or reschedule invitations. Control entry by granting or blocking access.

**Highlights:** Schedule visitor visits, Send visitor invitations, Receive arrival notifications, Reschedule visits, Grant visitor access, Block visitors

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZK SmartKey free?

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

### Is MSGP free?

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

### Which has better reviews, ZK SmartKey or MSGP?

MSGP is rated higher. ZK SmartKey averages 1.7 out of 5 from 13 ratings, while MSGP averages 4.0 from 4 ratings.

### Do ZK SmartKey or MSGP have ads?

Neither ZK SmartKey nor MSGP shows ads.

### Which is updated more often, ZK SmartKey or MSGP?

ZK SmartKey ships an update monthly, and MSGP every 3 weeks. Most recently, ZK SmartKey was updated on September 10, 2026 and MSGP on September 9, 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.*