# Calm Harm vs Chatteris

The clearest difference is price: Chatteris at Free against Calm Harm's $1.99. Calm Harm's advantage is chart position (#16 vs unranked) and iOS requirement (13.4 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Chatteris is free to download; Calm Harm costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calm Harm ships an update every 4 months, Chatteris every 6 months. The most recent releases landed on October 20, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Calm Harm | Chatteris |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (681 ratings)](https://appshunter.io/ios/app/calm-harm-manage-self-harm/id961611581/reviews)** | — |
| Number of ratings | **681** | — |
| Positive reviews | 80.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Best chart rank | **#16** | — |
| Size | 38 MB | 56 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Stem4](https://appshunter.io/developer/961611580) | [Ryan Chatteris](https://appshunter.io/developer/1826994226) |

## What reviewers say

### Calm Harm

[App page](https://appshunter.io/ios/app/calm-harm-manage-self-harm/id961611581)

**Currently charting:** #16 Top Paid · Health & Fitness (US App Store)

This app offers immediate techniques to help manage urges to self-harm. It provides activities to distract, comfort, and express oneself, along with breathing exercises and journaling tools. It aims to help users ride the wave of urges until they fade.

**Highlights:** Manage self-harm urges, Distraction activities, Comforting techniques, Express yourself tools, Breathing exercises, Journaling and self-reflection

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

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for self-harm, anxiety, and mental health issues
- 🚀 Free app with no ads or in-app purchases
- 💡 Wide range of activities and coping techniques
- 👍 Customizable themes and mascots
- 👍 Tracks progress and urge patterns

**What reviewers complain about**

- 🐛 Login/password issues, unable to reset or recover account
- 🔒 Concerns about privacy and data usage
- 👎 Some activities require physical resources not always available
- 👎 Repetitive or boring activities for some users
- 👎 Doesn't work for all users, not a substitute for professional help

**Reported bugs**

- App freezing or crashing on certain devices
- Inconsistent or buggy behavior of certain features
- Layout and UI issues on newer smartphone models
- Syncing or data loss problems when switching devices

**Requested features**

- Add more in-app activities and distractions
- Implement dark mode or customizable themes
- Allow users to edit or delete journal entries
- Add support for Apple Watch or other wearables
- Provide more language options and localization


### Chatteris

[App page](https://appshunter.io/ios/app/chatteris/id6748683385)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calm Harm free?

Calm Harm costs $1.99, with no in-app purchases.

### Is Chatteris free?

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

### Do Calm Harm or Chatteris have ads?

Neither Calm Harm nor Chatteris shows ads.

### Which is updated more often, Calm Harm or Chatteris?

Calm Harm ships an update every 4 months, and Chatteris every 6 months. Most recently, Calm Harm was updated on October 20, 2026 and Chatteris on September 25, 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.*