# 梦鸟睡眠 vs Parallel Rest Timer

The clearest difference is update cadence: Parallel Rest Timer at weekly against 梦鸟睡眠's every 4 months. 梦鸟睡眠's advantage is iOS requirement (9.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

梦鸟睡眠 ships an update every 4 months, Parallel Rest Timer weekly. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 梦鸟睡眠 | Parallel Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 47 MB | 7 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Goodsleep, Ltd.](https://appshunter.io/developer/1142711455) | [Remigiusz Herba](https://appshunter.io/developer/1688794004) |

## What reviewers say

### 梦鸟睡眠

[App page](https://appshunter.io/ios/app/id1142726699)

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

**In-app purchases:** none


### Parallel Rest Timer

[App page](https://appshunter.io/ios/app/parallel-rest-timer/id6762067074)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is 梦鸟睡眠 free?

梦鸟睡眠 is free to download, with no in-app purchases.

### Is Parallel Rest Timer free?

Parallel Rest Timer is free to download, with no in-app purchases.

### Do 梦鸟睡眠 or Parallel Rest Timer have ads?

Neither 梦鸟睡眠 nor Parallel Rest Timer shows ads.

### Which is updated more often, 梦鸟睡眠 or Parallel Rest Timer?

梦鸟睡眠 ships an update every 4 months, and Parallel Rest Timer weekly. Most recently, 梦鸟睡眠 was updated on October 9, 2026 and Parallel Rest Timer on October 5, 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.*