# Breath Box vs Delta

The clearest difference is price: Delta at Free against Breath Box's $9.99. Delta also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). Breath Box's advantage is in-app purchases (none vs 2). On device support there is nothing between them.

Delta is free to download; Breath Box costs $9.99 up front. Delta sells 2 in-app purchases, starting at $4.99 per month. Breath Box asks for nothing beyond the download.

Breath Box ships an update monthly, Delta every 3 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Breath Box | Delta |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/breath-box-breath-exercise/id6749237683/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 62 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Moruk LLC](https://appshunter.io/developer/1826185873) | [MITHUN NATH EDAKKATTU MAYOORANADHAN](https://appshunter.io/developer/1866326672) |

## What reviewers say

### Breath Box

[App page](https://appshunter.io/ios/app/breath-box-breath-exercise/id6749237683)

This app offers science-backed breathing exercises to reduce stress and anxiety in just 2 minutes. It provides guided techniques, custom pattern creation, and multi-sensory feedback without requiring an account or subscription.

**Highlights:** 20 pre-loaded breathing exercises, Custom breathing pattern creation, Multi-sensory guidance (audio, haptic, visual), Dark mode for nighttime use, Progress tracking, Offline functionality

**In-app purchases:** none


### Delta

[App page](https://appshunter.io/ios/app/delta-progressive-overload/id6760977282)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delta Premium - Monthly | $4.99 | per month |
| Delta Premium - Annually | $49.99 | per year |


## Frequently asked questions

### Is Breath Box free?

Breath Box costs $9.99, with no in-app purchases.

### Is Delta free?

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

### Do Breath Box or Delta have ads?

Breath Box shows ads; Delta does not.

### Which is updated more often, Breath Box or Delta?

Breath Box ships an update monthly, and Delta every 3 days. Most recently, Breath Box was updated on October 30, 2026 and Delta on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*