# Serene vs Sky Logger Flight Log

The clearest difference is update cadence: Serene at every 2 weeks against Sky Logger Flight Log's every 6 weeks. Serene also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Serene sells 1 in-app purchase, starting at $39.99 per year and Sky Logger Flight Log sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Serene ships an update every 2 weeks, Sky Logger Flight Log every 6 weeks. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Serene | Sky Logger Flight Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/serene-panic-attack-relief/id6466402220/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 22 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Payal Seth](https://appshunter.io/developer/571307498) | [Dolair Alali](https://appshunter.io/developer/6792620743) |

## What reviewers say

### Serene

[App page](https://appshunter.io/ios/app/serene-panic-attack-relief/id6466402220)

This app offers tools to help manage anxiety and panic attacks. It provides guided modules for relaxation, meditation, sleep, and affirmations. Designed for on-the-go use, it aims to provide a simple and aesthetic user experience for immediate relief.

**Highlights:** Visualize to calm panic attacks, Meditate to reduce anxiety, Improve sleep quality, Use affirmations for motivation, Help mode for immediate relief, Ad-free experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serene Yearly Plan | $39.99 | per year |


### Sky Logger Flight Log

[App page](https://appshunter.io/ios/app/sky-logger-flight-log/id6795010923)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Premium monthly Sky Logger | $9.99 | per month |
| Yearly Premium Sky Logger | $99.99 | per year |


## Frequently asked questions

### Is Serene free?

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

### Is Sky Logger Flight Log free?

Sky Logger Flight Log is free to download, with in-app purchases available.

### Do Serene or Sky Logger Flight Log have ads?

Neither Serene nor Sky Logger Flight Log shows ads.

### Which is updated more often, Serene or Sky Logger Flight Log?

Serene ships an update every 2 weeks, and Sky Logger Flight Log every 6 weeks. Most recently, Serene was updated on November 3, 2026 and Sky Logger Flight Log on November 10, 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.*