# Proed vs Zhang's HSC

The clearest difference is update cadence: Proed at every 6 weeks against Zhang's HSC's every 3 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Proed ships an update every 6 weeks, Zhang's HSC every 3 months. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Proed | Zhang's HSC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 48 MB | 55 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Early purpose Pty Ltd](https://appshunter.io/developer/1582340894) | [Momence, Inc.](https://appshunter.io/developer/1577856011) |

## What reviewers say

### Proed

[App page](https://appshunter.io/ios/app/proed/id1582340892)

Capture your academic mistakes and solutions by taking photos, categorizing them with tags, and analyzing the reasons behind errors. Generate custom exam papers based on selected topics and difficulty levels, with instant access to solutions.

**Highlights:** Photo capture of mistakes and solutions, Error analysis and tagging, Custom exam paper generation, Topic and difficulty selection, Instant access to solutions, Covers years 8-12 subjects

**Features:** macOS Compatibility

**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 Proed free?

Proed 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 Proed or Zhang's HSC have ads?

Neither Proed nor Zhang's HSC shows ads.

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

Proed ships an update every 6 weeks, and Zhang's HSC every 3 months. Most recently, Proed was updated on September 10, 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.*