# Vocala vs H2O Reminder Pro

The clearest difference is price: Vocala at Free against H2O Reminder Pro's $0.59. Vocala also leads on iOS requirement (13.0 vs 18.4). H2O Reminder Pro's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Vocala is free to download; H2O Reminder Pro costs $0.59 up front. Vocala sells 2 in-app purchases, starting at $1.99 per month. H2O Reminder Pro asks for nothing beyond the download.

Vocala ships an update every 15 months, H2O Reminder Pro every 9 months. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Vocala | H2O Reminder Pro |
| --- | --- | --- |
| Price | **Free** | $0.59 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vocala/id1546459735/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 9 months** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 4 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CGPills SL](https://appshunter.io/developer/404811123) | [Grzegorz Rakoca](https://appshunter.io/developer/1778459428) |

## What reviewers say

### Vocala

[App page](https://appshunter.io/ios/app/vocala/id1546459735)

This app monitors real-time sound levels, displaying decibel readings with visual feedback. It alerts users when noise exceeds customizable thresholds, helping to maintain quiet environments for focus and comfort. The app prioritizes privacy by not recording or storing any audio.

**Highlights:** Real-time decibel meter, Animated visualizer, Customizable warning thresholds, Haptic alerts, Session recording with stats, Beautiful themes, Keeps screen on

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vocala Pro | $1.99 | per month |
| Vocala Pro | $9.99 | per year |


### H2O Reminder Pro

[App page](https://appshunter.io/ios/app/h2o-reminder-pro/id6746629890)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vocala free?

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

### Is H2O Reminder Pro free?

H2O Reminder Pro costs $0.59, with no in-app purchases.

### Do Vocala or H2O Reminder Pro have ads?

Neither Vocala nor H2O Reminder Pro shows ads.

### Which is updated more often, Vocala or H2O Reminder Pro?

Vocala ships an update every 15 months, and H2O Reminder Pro every 9 months. Most recently, Vocala was updated on October 13, 2026 and H2O Reminder Pro on October 28, 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.*