# Hydro vs CalfGuide

The clearest difference is review sentiment: CalfGuide at 100% against Hydro's 65%. 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.

Hydro ships an update every 6 weeks, CalfGuide every 2 months. The most recent releases landed on October 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Hydro | CalfGuide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/hydro-quebec/id1045080947/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 64.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 73 MB | 82 MB |
| Requires iOS | **16.7** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Hydro Québec](https://appshunter.io/developer/1045080946) | [Holm & Laue GmbH & Co. KG](https://appshunter.io/developer/1460267524) |

## What reviewers say

### Hydro

[App page](https://appshunter.io/ios/app/hydro-quebec/id1045080947)

Monitor power outages, track your electricity usage, and manage your account. Get outage updates, view consumption data, and access billing information. Receive personalized recommendations to help you save energy.

**Highlights:** Track power outage status, Monitor electricity consumption, View billing and payment history, Sign up for payment plans, Receive outage notifications, Get personalized energy-saving tips

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Useful for tracking consumption
- 💡 Provides outage information
- 💡 Concise and clear interface
- 💡 Good for managing account

**What reviewers complain about**

- 🐛 Slow to load
- 🐛 Frequently under maintenance
- 🐛 Unresponsive on mobile
- 🐛 Login issues
- 🐛 App not working

**Reported bugs**

- System verification for outages not working
- Application not supported message
- Application doesn't work
- Impossible to connect after update
- Forgets biometric data

**Requested features**

- Dark mode option
- Ability to classify multiple addresses
- Add 2FA
- Real-time maintenance team arrival status
- Consumption history beyond one day


### CalfGuide

[App page](https://appshunter.io/ios/app/calfguide/id1460267525)

Manage calf feeding data, monitor drinking habits, and track health with detailed insights from automated systems. Receive customizable notifications for feeding, fill levels, and system alerts to keep your calf barn running smoothly.

**Highlights:** Calf list with feeding data, Automated system overview, Customizable push notifications, Calf health assessment tool, Multi-feeder management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydro free?

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

### Is CalfGuide free?

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

### Do Hydro or CalfGuide have ads?

Neither Hydro nor CalfGuide shows ads.

### Which is updated more often, Hydro or CalfGuide?

Hydro ships an update every 6 weeks, and CalfGuide every 2 months. Most recently, Hydro was updated on October 16, 2026 and CalfGuide on September 23, 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.*