# Hydro Ottawa vs Grata Manager

The clearest difference is review sentiment: Grata Manager at 100% against Hydro Ottawa's 25%. Grata Manager also leads on update cadence (every 8 days vs every 5 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Hydro Ottawa ships an update every 5 weeks, Grata Manager every 8 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Hydro Ottawa | Grata Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grata-manager/id6447966708/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 43 MB | 90 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hydro Ottawa](https://appshunter.io/developer/1326192998) | [Grata Technologies Inc.](https://appshunter.io/developer/1551903737) |

## What reviewers say

### Hydro Ottawa

[App page](https://appshunter.io/ios/app/hydro-ottawa/id1673243513)

Manage your electricity account 24/7 with this utility app. Access services like outage reporting, account management, and important notifications. Designed for both residential and commercial customers, it offers tools to stay informed and in control of your power services.

**Highlights:** 24/7 account management, Report power outages, Account opening/closing, Alerts and notifications, Service updates

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Hydro Ottawa free?

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

### Is Grata Manager free?

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

### Do Hydro Ottawa or Grata Manager have ads?

Neither Hydro Ottawa nor Grata Manager shows ads.

### Which is updated more often, Hydro Ottawa or Grata Manager?

Hydro Ottawa ships an update every 5 weeks, and Grata Manager every 8 days. Most recently, Hydro Ottawa was updated on October 7, 2026 and Grata Manager on September 30, 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.*