# Formosanus vs Flight Follower

The clearest difference is in-app purchases: Flight Follower at none against Formosanus's 1. Flight Follower also leads on update cadence (every 2 days vs every 2 months). Formosanus's advantage is iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Formosanus sells 1 one-off in-app purchase. Flight Follower asks for nothing beyond the download.

Formosanus ships an update every 2 months, Flight Follower every 2 days. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Formosanus | Flight Follower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/flight-follower/id6742644793/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 12 MB | 44 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yu Tse Wu](https://appshunter.io/developer/1032252133) | [Dennis WALSH](https://appshunter.io/developer/1799143772) |

## What reviewers say

### Formosanus

[App page](https://appshunter.io/ios/app/formosanus/id1056896515)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 百岳 | $0.99 | one-time |


### Flight Follower

[App page](https://appshunter.io/ios/app/flight-follower/id6742644793)

Track aircraft locations with this iOS-exclusive app designed for aviation enthusiasts. It features high-speed maps, live notifications, and home screen widgets for a seamless tracking experience.

**Highlights:** Ad-free aircraft tracking, High-speed Metal accelerated maps, Live notifications, Easy screen sharing, Gorgeous Home Screen widgets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Formosanus free?

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

### Is Flight Follower free?

Flight Follower is free to download, with no in-app purchases.

### Do Formosanus or Flight Follower have ads?

Neither Formosanus nor Flight Follower shows ads.

### Which is updated more often, Formosanus or Flight Follower?

Formosanus ships an update every 2 months, and Flight Follower every 2 days. Most recently, Formosanus was updated on September 23, 2026 and Flight Follower on June 1, 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.*