# OpEn Compass vs QV.AC

The clearest difference is in-app purchases: QV.AC at none against OpEn Compass's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OpEn Compass sells 5 in-app purchases, starting at $2.99 per month. QV.AC asks for nothing beyond the download.

OpEn Compass ships an update every 2 weeks, QV.AC weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OpEn Compass | QV.AC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 24 MB | 245 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPULENCE CAPITAL INVESTMENTS LTD](https://appshunter.io/developer/1763822776) | [Tether Data](https://appshunter.io/developer/1841901002) |

## What reviewers say

### OpEn Compass

[App page](https://appshunter.io/ios/app/open-compass/id6756329063)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly Plan | $2.99 | per month |
| Premium Monthly Plan | $6.99 | per month |
| 150 Token Pack | $1.99 | one-time |
| 50 Token Pack | $1.99 | one-time |
| 500 Token Pack | $14.99 | one-time |


### QV.AC

[App page](https://appshunter.io/ios/app/qvac/id6796623527)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpEn Compass free?

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

### Is QV.AC free?

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

### Do OpEn Compass or QV.AC have ads?

Neither OpEn Compass nor QV.AC shows ads.

### Which is updated more often, OpEn Compass or QV.AC?

OpEn Compass ships an update every 2 weeks, and QV.AC weekly. Most recently, OpEn Compass was updated on October 26, 2026 and QV.AC 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.*