# SleepDiary vs SlumberEcho

The clearest difference is in-app purchases: SlumberEcho at none against SleepDiary's 3. SleepDiary's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SleepDiary sells 3 in-app purchases, starting at $0.99 per month. SlumberEcho asks for nothing beyond the download.

SleepDiary ships an update every 5 days, SlumberEcho every 3 weeks. The most recent releases landed on June 28, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SleepDiary | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 4 MB | 6 MB |
| Requires iOS | 18.6 | **18.4** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [璐 王](https://appshunter.io/developer/1884213493) | [小明 宁](https://appshunter.io/developer/1890245521) |

## What reviewers say

### SleepDiary

[App page](https://appshunter.io/ios/app/sleepdiary/id6760534533)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 睡眠声音日记 Pro | $0.99 | per month |
| 睡眠声音日记 Pro | $4.99 | per year |
| 睡眠日记 Pro | $9.99 | one-time |


### 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 SleepDiary free?

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

### Is SlumberEcho free?

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

### Do SleepDiary or SlumberEcho have ads?

Neither SleepDiary nor SlumberEcho shows ads.

### Which is updated more often, SleepDiary or SlumberEcho?

SleepDiary ships an update every 5 days, and SlumberEcho every 3 weeks. Most recently, SleepDiary was updated on June 28, 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.*