# HeartNote Diary vs SlumberEcho

The clearest difference is iOS requirement: HeartNote Diary at 13.0 against SlumberEcho's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | HeartNote Diary | SlumberEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slumberecho/id6761585894/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 55 MB | 6 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [俐 王](https://appshunter.io/developer/1872258094) | [小明 宁](https://appshunter.io/developer/1890245521) |

## What reviewers say

### HeartNote Diary

[App page](https://appshunter.io/ios/app/heartnote-diary/id6759284816)

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

**In-app purchases:** none


### SlumberEcho

[App page](https://appshunter.io/ios/app/slumberecho/id6761585894)

This app records nighttime sleep sounds, including snoring and sleep talking, to provide insights into your sleep patterns. It offers local privacy protection and easy operation to help you understand and potentially improve your sleep quality.

**Highlights:** Smart snore detection and recording, Sleep talking capture and playback, Sleep sound analysis with visual reports, Local privacy protection for data, One-tap start/stop monitoring, Multi-dimensional historical sleep records

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

**In-app purchases:** none


## Frequently asked questions

### Is HeartNote Diary free?

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

### Is SlumberEcho free?

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

### Do HeartNote Diary or SlumberEcho have ads?

Neither HeartNote Diary nor SlumberEcho shows ads.

### Which is updated more often, HeartNote Diary or SlumberEcho?

HeartNote Diary ships an update every 3 weeks, and SlumberEcho every 3 weeks. Most recently, HeartNote Diary was updated on September 22, 2026 and SlumberEcho on September 13, 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.*