# SleepNote vs CISleep

SleepNote and CISleep 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 2 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SleepNote | CISleep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 36 MB | 119 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Medica Technology Development Co., Ltd.](https://appshunter.io/developer/928761012) | [Shenzhen Yunzhimian Technology Co., Ltd](https://appshunter.io/developer/1457932494) |

## What reviewers say

### SleepNote

[App page](https://appshunter.io/ios/app/sleepnote/id1460758047)

This app monitors your sleep patterns and offers professional suggestions to improve sleep quality and build healthy habits. It also provides ambient light and music to help you fall asleep faster and a smart alarm to wake you at the optimal time for a refreshed feeling.

**Highlights:** Accurate sleep monitoring, Professional sleep improvement suggestions, Ambient light and music for sleep-aid, Smart alarm for optimal wake-up, Builds good sleep habits

**Features:** macOS Compatibility

**In-app purchases:** none


### CISleep

[App page](https://appshunter.io/ios/app/cisleep/id1569149380)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SleepNote free?

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

### Is CISleep free?

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

### Do SleepNote or CISleep have ads?

Neither SleepNote nor CISleep shows ads.

### Which is updated more often, SleepNote or CISleep?

SleepNote ships an update every 2 months, and CISleep every 2 months. Most recently, SleepNote was updated on October 10, 2026 and CISleep 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.*