# PEGASI Sleep vs brid.zzz

PEGASI Sleep and brid.zzz are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PEGASI Sleep | brid.zzz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (8 ratings)](https://appshunter.io/ios/app/pegasi-sleep/id1073100252/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 41 MB | 78 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Qianhai Icecold IT Co., Ltd.](https://appshunter.io/developer/1073100251) | [SLEEPWAVE INC.](https://appshunter.io/developer/1635861891) |

## What reviewers say

### PEGASI Sleep

[App page](https://appshunter.io/ios/app/pegasi-sleep/id1073100252)

This app works with special glasses to help improve sleep quality, reduce the time it takes to fall asleep, and increase deep sleep. It aims to boost daytime energy and productivity while easing jet lag symptoms.

**Highlights:** Improve sleep quality, Shorten time to fall asleep, Increase deep sleep, Wake up naturally, Increase daytime energy, Reduce jet lag symptoms

**Features:** macOS Compatibility

**In-app purchases:** none


### brid.zzz

[App page](https://appshunter.io/ios/app/bridzzz/id6449228010)

**In-app purchases:** none


## Frequently asked questions

### Is PEGASI Sleep free?

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

### Is brid.zzz free?

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

### Do PEGASI Sleep or brid.zzz have ads?

Neither PEGASI Sleep nor brid.zzz shows ads.

### Which is updated more often, PEGASI Sleep or brid.zzz?

PEGASI Sleep ships an update every 3 weeks, and brid.zzz every 3 weeks. Most recently, PEGASI Sleep was updated on October 6, 2026 and brid.zzz on October 27, 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.*