# Delf Smart Lock vs RealtyCMS

The clearest difference is update cadence: RealtyCMS at every 6 weeks against Delf Smart Lock's every 22 months. Delf Smart Lock's advantage is iOS requirement (9.0 vs 15.1). 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.

Delf Smart Lock ships an update every 22 months, RealtyCMS every 6 weeks. The most recent releases landed on October 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Delf Smart Lock | RealtyCMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 6 weeks** |
| Size | 101 MB | 37 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DHAA (Aust.) Pty Ltd](https://appshunter.io/developer/1530915481) | [MEETKOL PTY LTD](https://appshunter.io/developer/1625277958) |

## What reviewers say

### Delf Smart Lock

[App page](https://appshunter.io/ios/app/delf-smart-lock/id1530915479)

**Features:** macOS Compatibility

**In-app purchases:** none


### RealtyCMS

[App page](https://appshunter.io/ios/app/realtycms/id1625277956)

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

**In-app purchases:** none


## Frequently asked questions

### Is Delf Smart Lock free?

Delf Smart Lock is free to download, with no in-app purchases.

### Is RealtyCMS free?

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

### Do Delf Smart Lock or RealtyCMS have ads?

Neither Delf Smart Lock nor RealtyCMS shows ads.

### Which is updated more often, Delf Smart Lock or RealtyCMS?

Delf Smart Lock ships an update every 22 months, and RealtyCMS every 6 weeks. Most recently, Delf Smart Lock was updated on October 25, 2026 and RealtyCMS on October 3, 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.*