# 圓玄學院 vs FlightMates

The clearest difference is in-app purchases: 圓玄學院 at none against FlightMates's 1. 圓玄學院 also leads on iOS requirement (13 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FlightMates sells 1 one-off in-app purchase. 圓玄學院 asks for nothing beyond the download.

圓玄學院 ships an update fortnightly, FlightMates every 4 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 圓玄學院 | FlightMates |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 8 MB | 9 MB |
| Requires iOS | **13** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [The Yuen Yuen Institute](https://appshunter.io/developer/1802107948) | [盈盈 张](https://appshunter.io/developer/1527693823) |

## What reviewers say

### 圓玄學院

[App page](https://appshunter.io/ios/app/id6746192520)

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

**In-app purchases:** none


### FlightMates

[App page](https://appshunter.io/ios/app/flightmates/id6802573988)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy the developer a coffee | $2.99 | one-time |


## Frequently asked questions

### Is 圓玄學院 free?

圓玄學院 is free to download, with no in-app purchases.

### Is FlightMates free?

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

### Do 圓玄學院 or FlightMates have ads?

Neither 圓玄學院 nor FlightMates shows ads.

### Which is updated more often, 圓玄學院 or FlightMates?

圓玄學院 ships an update fortnightly, and FlightMates every 4 weeks. Most recently, 圓玄學院 was updated on October 28, 2026 and FlightMates on October 31, 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.*