# Sleep Fan vs Time Flees

The clearest difference is price: Sleep Fan at Free against Time Flees's $1.99. Sleep Fan also leads on ratings volume (36K vs 2) and iOS requirement (15.6 vs 26.5). Time Flees's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Sleep Fan is free to download; Time Flees costs $1.99 up front. Sleep Fan sells 2 in-app purchases, starting at $1.99 per month. Time Flees asks for nothing beyond the download.

Time Flees holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Sleep Fan has 36K ratings behind it against 2, so its average is the more settled of the two.

Sleep Fan ships an update every 2 months, Time Flees fortnightly. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sleep Fan | Time Flees |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.8 (36K ratings)](https://appshunter.io/ios/app/sleep-fan/id492869515/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/time-flees/id6790555938/reviews)** |
| Number of ratings | **36K** | 2 |
| Positive reviews | 72.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Freemium** | Paid |
| Size | 191 MB | 2 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tattlebee](https://appshunter.io/developer/401461413) | [Interactive Applications LLC](https://appshunter.io/developer/951504132) |

## What reviewers say

### Sleep Fan

[App page](https://appshunter.io/ios/app/sleep-fan/id492869515)

This app provides a simple and effective way to fall asleep faster and stay asleep longer. It offers various calming sounds and customizable timers, with premium features like sleep tracking and additional audio options.

**Highlights:** White noise and calm sleep sounds, Customizable timer, Alarm clock with snooze, Sleep tracking (premium), Additional sounds (premium), Binaural beats (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Account | $1.99 | per month |
| Premium Account | $14.99 | per year |

**What reviewers like**

- 💤 Helps with sleep
- 🔊 Realistic fan sounds
- 🕰️ Timer feature
- 🧳 Useful for travel
- 🆓 Free app

**What reviewers complain about**

- 🔇 Stops playing when phone is locked or app is minimized
- 🔋 Battery drain issues
- 🔊 Loud ads disrupt sleep
- 🔍 Ads difficult to close

**Reported bugs**

- App stops playing randomly
- Overheating issues with prolonged use

**Requested features**

- No timer option for continuous playback
- Ability to play in background even with phone locked


### Time Flees

[App page](https://appshunter.io/ios/app/time-flees/id6790555938)

This app provides a personalized estimate of your remaining lifespan based on lifestyle, health, and environmental factors. It helps you visualize your time lived and remaining, and add significant life moments to your timeline. Local data storage ensures your privacy.

**Highlights:** Personalized life estimate, Years, months, and days views, Estimated time lived and remaining, Moments placed along timeline, Home Screen widgets, Optional notifications, Local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Fan free?

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

### Is Time Flees free?

Time Flees costs $1.99, with no in-app purchases.

### Which has better reviews, Sleep Fan or Time Flees?

Time Flees is rated higher. Sleep Fan averages 4.8 out of 5 from 36K ratings, while Time Flees averages 5.0 from 2 ratings.

### Do Sleep Fan or Time Flees have ads?

Sleep Fan shows ads; Time Flees does not.

### Which is updated more often, Sleep Fan or Time Flees?

Sleep Fan ships an update every 2 months, and Time Flees fortnightly. Most recently, Sleep Fan was updated on October 23, 2026 and Time Flees on October 12, 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.*