# Grata Manager vs The Marlstone

The clearest difference is update cadence: Grata Manager at weekly against The Marlstone's every 3 months. The Marlstone's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Grata Manager ships an update weekly, The Marlstone every 3 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Grata Manager | The Marlstone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grata-manager/id6447966708/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 90 MB | 29 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Grata Technologies Inc.](https://appshunter.io/developer/1551903737) | [8974209 canada inc.](https://appshunter.io/developer/921424657) |

## What reviewers say

### Grata Manager

[App page](https://appshunter.io/ios/app/grata-manager/id6447966708)

This application is designed for building managers to configure smart locks. It provides the necessary tools for managing access and settings related to property security.

**Highlights:** Configure smart locks, Manage property access, Building management tool, Security settings

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

**In-app purchases:** none


### The Marlstone

[App page](https://appshunter.io/ios/app/the-marlstone/id6755854588)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Grata Manager free?

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

### Is The Marlstone free?

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

### Do Grata Manager or The Marlstone have ads?

Neither Grata Manager nor The Marlstone shows ads.

### Which is updated more often, Grata Manager or The Marlstone?

Grata Manager ships an update weekly, and The Marlstone every 3 months. Most recently, Grata Manager was updated on November 3, 2026 and The Marlstone on November 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.*