# Possibility HUB vs CardStar

The clearest difference is in-app purchases: Possibility HUB at none against CardStar's 1. Possibility HUB also leads on iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CardStar sells 1 one-off in-app purchase. Possibility HUB asks for nothing beyond the download.

Possibility HUB ships an update fortnightly, CardStar every 9 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Possibility HUB | CardStar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 87 MB | 3 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [OmniAccess S.L.](https://appshunter.io/developer/507983509) | [Wolfram Wacker](https://appshunter.io/developer/1843968515) |

## What reviewers say

### Possibility HUB

[App page](https://appshunter.io/ios/app/possibility-hub/id6692624293)

**Features:** macOS Compatibility

**In-app purchases:** none


### CardStar

[App page](https://appshunter.io/ios/app/cardstar/id6756068591)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CardStar Pro | $0.99 | one-time |


## Frequently asked questions

### Is Possibility HUB free?

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

### Is CardStar free?

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

### Do Possibility HUB or CardStar have ads?

Neither Possibility HUB nor CardStar shows ads.

### Which is updated more often, Possibility HUB or CardStar?

Possibility HUB ships an update fortnightly, and CardStar every 9 days. Most recently, Possibility HUB was updated on October 30, 2026 and CardStar on October 28, 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.*