# cirrca vs SensiNote

The clearest difference is in-app purchases: cirrca at none against SensiNote's 1. cirrca also leads on ads (none vs shown). SensiNote's advantage is update cadence (every 3 days vs monthly). On price, device support and iOS requirement there is nothing between them.

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

cirrca ships an update monthly, SensiNote every 3 days. The most recent releases landed on September 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | cirrca | SensiNote |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 59 MB | 19 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [芳洁 郭](https://appshunter.io/developer/1855549094) | [少新 蔡](https://appshunter.io/developer/6776052428) |

## 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


### SensiNote

[App page](https://appshunter.io/ios/app/sensinote/id6801410415)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


## Frequently asked questions

### Is cirrca free?

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

### Is SensiNote free?

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

### Do cirrca or SensiNote have ads?

SensiNote shows ads; cirrca does not.

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

cirrca ships an update monthly, and SensiNote every 3 days. Most recently, cirrca was updated on September 25, 2026 and SensiNote on October 29, 2026.

---

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