# SentriKey ClientConnect vs MMC Building

The clearest difference is rating: MMC Building at 5.0 against SentriKey ClientConnect's 2.2. MMC Building also leads on update cadence (every 5 days vs every 2 months). SentriKey ClientConnect's advantage is iOS requirement (11.0 vs 15.1). On price, ratings volume, 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.

MMC Building holds the better App Store score, 5.0 against 2.2. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

SentriKey ClientConnect ships an update every 2 months, MMC Building every 5 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SentriKey ClientConnect | MMC Building |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (6 ratings)](https://appshunter.io/ios/app/sentrikey-clientconnect/id1458787391/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mmc-building/id6810907259/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 142 MB | 187 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SentriLock](https://appshunter.io/developer/643986489) | [MMC Building](https://appshunter.io/developer/6810907261) |

## What reviewers say

### SentriKey ClientConnect

[App page](https://appshunter.io/ios/app/sentrikey-clientconnect/id1458787391)

Connect with your real estate agent to share properties, provide feedback on showings, and manage your schedule. Search, compare, and favorite properties, then request showings and track them via a shared calendar.

**Highlights:** Share and compare properties, Mark properties as favorites, Request property showings, View scheduled showings, Send feedback on showings, View agent-recommended properties

**In-app purchases:** none


### MMC Building

[App page](https://appshunter.io/ios/app/mmc-building/id6810907259)

Stay informed about your home renovation project with real-time updates on progress, scheduled visitors, and payments. Communicate directly with your project team and an AI assistant for quick answers. Manage documents, photos, and approvals all in one place.

**Highlights:** Track project progress with phase overviews, View scheduled work and visitor arrivals, Receive daily updates, photos, and progress reports, Manage payments and view payment history, Review and approve change orders, Message project team and use AI assistant, Access documents, reports, and to-dos

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

**In-app purchases:** none


## Frequently asked questions

### Is SentriKey ClientConnect free?

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

### Is MMC Building free?

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

### Which has better reviews, SentriKey ClientConnect or MMC Building?

MMC Building is rated higher. SentriKey ClientConnect averages 2.2 out of 5 from 6 ratings, while MMC Building averages 5.0 from 3 ratings.

### Do SentriKey ClientConnect or MMC Building have ads?

Neither SentriKey ClientConnect nor MMC Building shows ads.

### Which is updated more often, SentriKey ClientConnect or MMC Building?

SentriKey ClientConnect ships an update every 2 months, and MMC Building every 5 days. Most recently, SentriKey ClientConnect was updated on October 24, 2026 and MMC Building on October 14, 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.*