# Pushover Notifications vs Hydro Calcs

The clearest difference is in-app purchases: Hydro Calcs at none against Pushover Notifications's 3. Hydro Calcs also leads on update cadence (every 5 days vs every 4 weeks). Pushover Notifications's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Pushover Notifications sells 3 one-off in-app purchases. Hydro Calcs asks for nothing beyond the download.

Pushover Notifications ships an update every 4 weeks, Hydro Calcs every 5 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Pushover Notifications | Hydro Calcs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.8K ratings)](https://appshunter.io/ios/app/pushover-notifications/id506088175/reviews)** | — |
| Number of ratings | **3.8K** | — |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pushover, LLC](https://appshunter.io/developer/506088178) | [Milbar](https://appshunter.io/developer/1579581418) |

## What reviewers say

### Pushover Notifications

[App page](https://appshunter.io/ios/app/pushover-notifications/id506088175)

This service sends custom push notifications from various web apps, scripts, and devices directly to your iPhone, iPad, or desktop. It offers a free trial with a one-time purchase for unlimited usage, and includes an Apple Watch app for on-the-go alerts.

**Highlights:** Custom push notifications, Web app integration, Script and IoT device support, Apple Watch app and complications, API for custom app development, Free 30-day trial

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pushover License | $4.99 | one-time |
| Tip | $4.99 | one-time |
| Tip | $9.99 | one-time |

**What reviewers like**

- 🚀 Fantastic service
- 👍 Couldn't be easier
- 👍 Best App on my phone for awareness of energy efficient house
- 👍 Really good app
- 👍 Truly excellent

**What reviewers complain about**

- 🐛 Stopped working after I paid for it
- 🐛 Hasn't worked yet
- 🐛 Charged twice for liscense
- 🐛 Needs volume for other things besides critical
- 🐛 Encrypted message

**Reported bugs**

- Notifications not working after update
- Syncing issues causing crashes
- Notifications re-appearing after being deleted

**Requested features**

- Add a delete all notifications option
- Add support for custom notification sounds
- Add 24-hour time format option
- Improve Apple Watch notifications
- Add custom actions to notifications


### Hydro Calcs

[App page](https://appshunter.io/ios/app/hydro-calcs/id6817881146)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pushover Notifications free?

Pushover Notifications is free to download, with in-app purchases available.

### Is Hydro Calcs free?

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

### Do Pushover Notifications or Hydro Calcs have ads?

Neither Pushover Notifications nor Hydro Calcs shows ads.

### Which is updated more often, Pushover Notifications or Hydro Calcs?

Pushover Notifications ships an update every 4 weeks, and Hydro Calcs every 5 days. Most recently, Pushover Notifications was updated on October 20, 2026 and Hydro Calcs on October 8, 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.*