# Zhang's HSC vs PACE

The clearest difference is update cadence: PACE at daily against Zhang's HSC's every 3 months. Zhang's HSC's advantage is iOS requirement (15.1 vs 17.0). 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.

Zhang's HSC ships an update every 3 months, PACE daily. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Zhang's HSC | PACE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 55 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [Dongjin Youn](https://appshunter.io/developer/6819176496) |

## What reviewers say

### 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, Vision Pro support

**In-app purchases:** none


### PACE

[App page](https://appshunter.io/ios/app/pace-study-timer-and-squads/id6819176494)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zhang's HSC free?

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

### Is PACE free?

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

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

Neither Zhang's HSC nor PACE shows ads.

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

Zhang's HSC ships an update every 3 months, and PACE daily. Most recently, Zhang's HSC was updated on October 30, 2026 and PACE on November 10, 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.*