# Vietpass vs OpenChart

The clearest difference is in-app purchases: Vietpass at none against OpenChart's 2. Vietpass also leads on iOS requirement (15.5 vs 17.0). OpenChart's advantage is update cadence (every 2 days vs every 9 days). On price, ads and device support there is nothing between them.

Both are free to download. OpenChart sells 2 in-app purchases, starting at $3.99 per month. Vietpass asks for nothing beyond the download.

Vietpass ships an update every 9 days, OpenChart every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Vietpass | OpenChart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 207 MB | 86 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VIETNAM PUBLIC JOINT STOCK COMMERCIAL BANK](https://appshunter.io/developer/957284066) | [younghyun choi](https://appshunter.io/developer/1844194272) |

## What reviewers say

### Vietpass

[App page](https://appshunter.io/ios/app/vietpass/id6761758275)

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

**In-app purchases:** none


### OpenChart

[App page](https://appshunter.io/ios/app/openchart-crypto-charts/id6778795322)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenChart PRO | $3.99 | per month |
| OpenChart Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Vietpass free?

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

### Is OpenChart free?

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

### Do Vietpass or OpenChart have ads?

Neither Vietpass nor OpenChart shows ads.

### Which is updated more often, Vietpass or OpenChart?

Vietpass ships an update every 9 days, and OpenChart every 2 days. Most recently, Vietpass was updated on October 31, 2026 and OpenChart on October 31, 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.*