# Cielo Fi vs Mosleep

The clearest difference is iOS requirement: Cielo Fi at 16.0 against Mosleep's 18.6. 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.

Cielo Fi ships an update every 2 weeks, Mosleep every 11 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Cielo Fi | Mosleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (29 ratings)](https://appshunter.io/ios/app/cielo-fi/id6770870843/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 1 MB | 6 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [POPIE SRL](https://appshunter.io/developer/1896765641) | [Coleman Rogers](https://appshunter.io/developer/6802454780) |

## What reviewers say

### Cielo Fi

[App page](https://appshunter.io/ios/app/cielo-fi/id6770870843)

A private dream journal to log your nightly experiences. Record titles, descriptions, mood, and recurring motifs to identify patterns. Features include data visualization and goal setting for dream recall.

**Highlights:** Log dreams with title, description, vividness, and mood, Tag dream motifs for pattern identification, Lucid and recurring dream flags, Data visualization: tag distribution, trend charts, lifetime stats, Set goals for recall, lucidity, and sleep duration, Optional cloud refinement for text cleanup, Dark theme for bedside use

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

**In-app purchases:** none


### Mosleep

[App page](https://appshunter.io/ios/app/mosleep-night-quality/id6802454778)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cielo Fi free?

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

### Is Mosleep free?

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

### Do Cielo Fi or Mosleep have ads?

Neither Cielo Fi nor Mosleep shows ads.

### Which is updated more often, Cielo Fi or Mosleep?

Cielo Fi ships an update every 2 weeks, and Mosleep every 11 days. Most recently, Cielo Fi was updated on October 24, 2026 and Mosleep on October 29, 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.*