# CalmAnchor vs ZEN BUBBLE

CalmAnchor and ZEN BUBBLE are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. CalmAnchor sells 4 in-app purchases, starting at $4.99 per 7 days and ZEN BUBBLE sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

CalmAnchor ships an update every 2 weeks, ZEN BUBBLE weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CalmAnchor | ZEN BUBBLE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calmanchor-panic-attack-help/id6761788508/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 82 MB | 66 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GW Capital Partners LLC](https://appshunter.io/developer/951886331) | [Keisuke Inazawa](https://appshunter.io/developer/1896767902) |

## What reviewers say

### CalmAnchor

[App page](https://appshunter.io/ios/app/calmanchor-panic-attack-help/id6761788508)

This app provides immediate support during panic attacks with a one-tap SOS feature. It offers guided breathing exercises, grounding techniques, and mood tracking to help manage anxiety and build lasting calm over time. Premium features include personalized plans and detailed trend analysis.

**Highlights:** Panic SOS from Lock Screen widget, Guided breathing and grounding techniques, Mood tracking and intensity rating, 30-day personalized anxiety plan, Gamified progress with badges and ranks, Apple Watch integration with haptic feedback, Optional Apple Health integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $79.99 | one-time |


### ZEN BUBBLE

[App page](https://appshunter.io/ios/app/zen-bubble-calm-breathing/id6793133843)

Escape overthinking with a serene lakeside world. Breathe into your microphone to release worries as bubbles drift away. Track your progress and observe a dynamic environment that reflects your local time and seasons.

**Highlights:** Guided breathing exercises, Thought release via bubbles, Dynamic seasonal lake environment, Private journal for released thoughts, Progress tracking, Field guide for creatures and plants

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $3.99 | per month |
| Premium (Annual) | $39.99 | per year |


## Frequently asked questions

### Is CalmAnchor free?

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

### Is ZEN BUBBLE free?

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

### Do CalmAnchor or ZEN BUBBLE have ads?

Neither CalmAnchor nor ZEN BUBBLE shows ads.

### Which is updated more often, CalmAnchor or ZEN BUBBLE?

CalmAnchor ships an update every 2 weeks, and ZEN BUBBLE weekly. Most recently, CalmAnchor was updated on November 4, 2026 and ZEN BUBBLE on October 31, 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.*