# SL Tracker vs Flight Owl

The clearest difference is in-app purchases: SL Tracker at none against Flight Owl's 3. SL Tracker also leads on update cadence (daily vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flight Owl sells 3 in-app purchases, starting at $3.99 per 7 days. SL Tracker asks for nothing beyond the download.

SL Tracker ships an update daily, Flight Owl every 5 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SL Tracker | Flight Owl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 10 MB | 41 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Erik Cativo](https://appshunter.io/developer/1834809833) | [TBM Solutions LLC](https://appshunter.io/developer/1885376086) |

## What reviewers say

### SL Tracker

[App page](https://appshunter.io/ios/app/sl-tracker/id6751373025)

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

**In-app purchases:** none


### Flight Owl

[App page](https://appshunter.io/ios/app/flight-owl-tracker-and-radar/id6790446536)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flight Owl Pro Weekly | $3.99 | per 7 days |
| Flight Owl Pro Annual | $49.99 | per year |
| Flight Owl Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is SL Tracker free?

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

### Is Flight Owl free?

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

### Do SL Tracker or Flight Owl have ads?

Neither SL Tracker nor Flight Owl shows ads.

### Which is updated more often, SL Tracker or Flight Owl?

SL Tracker ships an update daily, and Flight Owl every 5 days. Most recently, SL Tracker was updated on October 7, 2026 and Flight Owl on October 5, 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.*