# Fieldmark vs Zhang's HSC

The clearest difference is update cadence: Fieldmark at every 3 weeks against Zhang's HSC's every 3 months. 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.

Fieldmark ships an update every 3 weeks, Zhang's HSC every 3 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Fieldmark | Zhang's HSC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 30 MB | 55 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FAIMS Project](https://appshunter.io/developer/1592632374) | [Momence, Inc.](https://appshunter.io/developer/1577856011) |

## What reviewers say

### Fieldmark

[App page](https://appshunter.io/ios/app/fieldmark/id1592632372)

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

**In-app purchases:** none


### Zhang's HSC

[App page](https://appshunter.io/ios/app/zhangs-hsc/id6503916650)

Manage your account, book classes, and stay connected with updates and announcements. Easily message the organization with any questions or to share information. Follow the public feed for promotions and shared content.

**Highlights:** Account management, Class and event booking, Direct messaging, Public feed for announcements, Promotions and content sharing

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Fieldmark free?

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

### Is Zhang's HSC free?

Zhang's HSC is free to download, with no in-app purchases.

### Do Fieldmark or Zhang's HSC have ads?

Neither Fieldmark nor Zhang's HSC shows ads.

### Which is updated more often, Fieldmark or Zhang's HSC?

Fieldmark ships an update every 3 weeks, and Zhang's HSC every 3 months. Most recently, Fieldmark was updated on September 9, 2026 and Zhang's HSC on September 21, 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.*