# OnlyFlights vs Stacky

The clearest difference is update cadence: Stacky at every 4 days against OnlyFlights's every 10 days. Stacky also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OnlyFlights sells 4 in-app purchases, starting at $3.99 per month and Stacky sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

OnlyFlights ships an update every 10 days, Stacky every 4 days. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | OnlyFlights | Stacky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/onlyflights-flight-tracker/id6742445816/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 141 MB | 47 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksandr Huryn](https://appshunter.io/developer/1872391969) | [Stacky Technologies](https://appshunter.io/developer/6778837622) |

## What reviewers say

### OnlyFlights

[App page](https://appshunter.io/ios/app/onlyflights-flight-tracker/id6742445816)

This app provides real-time flight status, including departure and arrival times, delays, and gate information. It offers live notifications and detailed airport data to simplify your travel experience. Track your own flights, friends' and family's flights, and access travel insights.

**Highlights:** Real-time flight status updates, Departure and arrival time tracking, Airport information, Live notifications, Track friends' and family flights, Apple Watch app, Widgets

**Features:** Family Sharing, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - 1 Month | $3.99 | per month |
| Pro - 6 Months | $12.99 | per 6 months |
| Pro - 12 Months | $19.99 | per year |
| Family Plan  / 12 Months | $34.99 | per year |


### Stacky

[App page](https://appshunter.io/ios/app/stacky-flight-tracker-and-trips/id6778837620)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacky Premium | $8.99 | per month |
| Stacky Premium | $69.99 | per year |
| Trip Pass | $6.99 | one-time |


## Frequently asked questions

### Is OnlyFlights free?

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

### Is Stacky free?

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

### Do OnlyFlights or Stacky have ads?

Neither OnlyFlights nor Stacky shows ads.

### Which is updated more often, OnlyFlights or Stacky?

OnlyFlights ships an update every 10 days, and Stacky every 4 days. Most recently, OnlyFlights was updated on October 10, 2026 and Stacky on September 28, 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.*