# AR Trails vs St. John (HK)

The clearest difference is update cadence: St. John (HK) at every 3 months against AR Trails's every 8 months. AR Trails's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AR Trails ships an update every 8 months, St. John (HK) every 3 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AR Trails | St. John (HK) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 7 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hong Kong Baptist University](https://appshunter.io/developer/427917925) | [stjohn](https://appshunter.io/developer/1590880373) |

## What reviewers say

### AR Trails

[App page](https://appshunter.io/ios/app/ar-trails/id1489270733)

This educational tool uses augmented reality to create an engaging learning experience. It motivates students to explore various topics, fostering interaction and knowledge sharing through a blend of mobile technology and AR.

**Highlights:** Augmented Reality integration, Blended learning environment, Student motivation tools, Interactive knowledge sharing, Mobile technology platform

**Features:** macOS Compatibility

**In-app purchases:** none


### St. John (HK)

[App page](https://appshunter.io/ios/app/st-john-hk/id1608760571)

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

**In-app purchases:** none


## Frequently asked questions

### Is AR Trails free?

AR Trails is free to download, with no in-app purchases.

### Is St. John (HK) free?

St. John (HK) is free to download, with no in-app purchases.

### Do AR Trails or St. John (HK) have ads?

Neither AR Trails nor St. John (HK) shows ads.

### Which is updated more often, AR Trails or St. John (HK)?

AR Trails ships an update every 8 months, and St. John (HK) every 3 months. Most recently, AR Trails was updated on October 18, 2026 and St. John (HK) on October 9, 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.*