# PORTSIDE FOS vs Fly with Tailwinds

The clearest difference is review sentiment: Fly with Tailwinds at 89% against PORTSIDE FOS's 3%. Fly with Tailwinds also leads on rating (3.7 vs 1.2) and update cadence (every 2 weeks vs every 4 months). On price, ratings volume, 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.

Fly with Tailwinds holds the better App Store score, 3.7 against 1.2. Both are backed by a comparable volume of ratings — 48 and 36 respectively. Written reviews point the same way: 3% of PORTSIDE FOS's written reviews are positive against 89% of Fly with Tailwinds's.

PORTSIDE FOS ships an update every 4 months, Fly with Tailwinds every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PORTSIDE FOS | Fly with Tailwinds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (48 ratings)](https://appshunter.io/ios/app/portside-fos/id1049458379/reviews) | **[3.7 (36 ratings)](https://appshunter.io/ios/app/fly-with-tailwinds/id6450366921/reviews)** |
| Number of ratings | **48** | 36 |
| Positive reviews | 2.9% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 269 MB | 76 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Portside, Inc.](https://appshunter.io/developer/1609132004) | [Gigafly](https://appshunter.io/developer/1692937815) |

## What reviewers say

### PORTSIDE FOS

[App page](https://appshunter.io/ios/app/portside-fos/id1049458379)

This app provides aviation professionals with essential flight planning and scheduling tools on their mobile devices. Access aircraft schedules, crew duty times, flight logs, and trip details, with offline capabilities for use in flight. It integrates with desktop companion applications and international trip support services.

**Highlights:** Aircraft Schedules, Trip and Leg Details, Crew Duty Times, Flight Log Entry, Expense Submission, Offline Airport Directory, Weather and NOTAMs

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

**In-app purchases:** none


### Fly with Tailwinds

[App page](https://appshunter.io/ios/app/fly-with-tailwinds/id6450366921)

This aviation software keeps users updated with the latest industry trends and regulations. It offers a reliable, secure, and compliant platform for flight training professionals. Focus on delivering quality training with peace of mind.

**Highlights:** Industry trend updates, Regulatory compliance, Secure platform, Reliable software, Flight training focus

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is PORTSIDE FOS free?

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

### Is Fly with Tailwinds free?

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

### Which has better reviews, PORTSIDE FOS or Fly with Tailwinds?

Fly with Tailwinds is rated higher. PORTSIDE FOS averages 1.2 out of 5 from 48 ratings, while Fly with Tailwinds averages 3.7 from 36 ratings.

### Do PORTSIDE FOS or Fly with Tailwinds have ads?

Neither PORTSIDE FOS nor Fly with Tailwinds shows ads.

### Which is updated more often, PORTSIDE FOS or Fly with Tailwinds?

PORTSIDE FOS ships an update every 4 months, and Fly with Tailwinds every 2 weeks. Most recently, PORTSIDE FOS was updated on November 2, 2026 and Fly with Tailwinds on November 3, 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.*