# Charter5m vs GoatHSK

The clearest difference is price: Charter5m at Free against GoatHSK's $2.99. GoatHSK's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Charter5m is free to download; GoatHSK costs $2.99 up front. Charter5m sells 2 in-app purchases, starting at $9.99 per month. GoatHSK asks for nothing beyond the download.

Charter5m ships an update every 2 weeks, GoatHSK weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Charter5m | GoatHSK |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Paid |
| Size | 14 MB | 100 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Doan Nguyen](https://appshunter.io/developer/995899135) | [Matthias Holl](https://appshunter.io/developer/1896291232) |

## What reviewers say

### Charter5m

[App page](https://appshunter.io/ios/app/charter5m-cfa-level-1-prep/id6762566043)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Charter5m Premium | $9.99 | per month |
| Charter5m Premium | $99.99 | per year |


### GoatHSK

[App page](https://appshunter.io/ios/app/goathsk/id6770220174)

This offline flashcard app helps you learn HSK vocabulary levels 1-9. It uses spaced repetition to adapt to your memory, ensuring efficient review without overwhelming you with known words. All 11,000+ entries are available in one place.

**Highlights:** Offline HSK vocabulary learning, Supports HSK levels 1-9, 11,000+ vocabulary entries, Spaced repetition (FSRS-5), No account or subscription required, No user tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Charter5m free?

Charter5m is free to download, with in-app purchases available.

### Is GoatHSK free?

GoatHSK costs $2.99, with no in-app purchases.

### Do Charter5m or GoatHSK have ads?

Neither Charter5m nor GoatHSK shows ads.

### Which is updated more often, Charter5m or GoatHSK?

Charter5m ships an update every 2 weeks, and GoatHSK weekly. Most recently, Charter5m was updated on October 25, 2026 and GoatHSK on October 25, 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.*