# cirrca vs Espir

The clearest difference is in-app purchases: cirrca at none against Espir's 1. Espir's advantage is update cadence (every 2 weeks vs monthly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Espir sells 1 one-off in-app purchase. cirrca asks for nothing beyond the download.

cirrca ships an update monthly, Espir every 2 weeks. The most recent releases landed on September 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | cirrca | Espir |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/cirrca/id6780095661/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 59 MB | 19 MB |
| Requires iOS | 17.5 | **15.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [芳洁 郭](https://appshunter.io/developer/1855549094) | [David Llado](https://appshunter.io/developer/1576485404) |

## What reviewers say

### cirrca

[App page](https://appshunter.io/ios/app/cirrca/id6780095661)

This app tracks your sleep patterns and daily energy levels to help you understand your body's rhythms. It offers gentle wake-up alarms and provides insights into sleep quality and consistency, all while prioritizing user privacy with on-device audio analysis.

**Highlights:** Sleep tracking with microphone and motion sensors, Daily energy logging, Sleep quality charts, Caffeine tracking, Gentle wake-up alarms, On-device audio analysis for privacy

**Features:** macOS Compatibility

**In-app purchases:** none


### Espir

[App page](https://appshunter.io/ios/app/espir-guided-breathing/id6794848376)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espir Pro | $3.99 | one-time |


## Frequently asked questions

### Is cirrca free?

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

### Is Espir free?

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

### Do cirrca or Espir have ads?

Neither cirrca nor Espir shows ads.

### Which is updated more often, cirrca or Espir?

cirrca ships an update monthly, and Espir every 2 weeks. Most recently, cirrca was updated on September 25, 2026 and Espir on October 31, 2026.

---

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