# Mercury Messaging vs CalmDown‑Anger Pause Helper

The clearest difference is in-app purchases: Mercury Messaging at none against CalmDown‑Anger Pause Helper's 1. Mercury Messaging also leads on iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CalmDown‑Anger Pause Helper sells 1 one-off in-app purchase. Mercury Messaging asks for nothing beyond the download.

## The numbers

| Metric | Mercury Messaging | CalmDown‑Anger Pause Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calmdownanger-pause-helper/id6787010036/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 84 MB | 201 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Alessandro Alberti](https://appshunter.io/developer/1446465614) | [凯 马](https://appshunter.io/developer/6786374024) |

## What reviewers say

### Mercury Messaging

[App page](https://appshunter.io/ios/app/mercury-messaging/id6498714256)

**Features:** Apple Watch app

**In-app purchases:** none


### CalmDown‑Anger Pause Helper

[App page](https://appshunter.io/ios/app/calmdownanger-pause-helper/id6787010036)

This app offers a private space to pause and manage strong emotions. It provides guided breathing exercises, creative outlets for emotional release, and tools for journaling and saving personal memories. Features include photo albums for pets and parenting, custom messages, and home screen widgets for quick access.

**Highlights:** Guided breathing exercises, Emotional release activities, Memory albums for parenting and pets, Mood journaling, Customizable healing messages, Home screen widgets, Private iCloud sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalmDown Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Mercury Messaging free?

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

### Is CalmDown‑Anger Pause Helper free?

CalmDown‑Anger Pause Helper is free to download, with in-app purchases available.

### Do Mercury Messaging or CalmDown‑Anger Pause Helper have ads?

Neither Mercury Messaging nor CalmDown‑Anger Pause Helper shows ads.

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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.*