# Main Data Sub vs CardCosmic

The clearest difference is update cadence: CardCosmic at every 3 weeks against Main Data Sub's every 3 months. CardCosmic also leads on chart position (#202 vs unranked). Main Data Sub's advantage is iOS requirement (12.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Main Data Sub ships an update every 3 months, CardCosmic every 3 weeks. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Main Data Sub | CardCosmic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3K ratings)](https://appshunter.io/ios/app/cardcosmic/id6756063147/reviews)** |
| Number of ratings | — | **3K** |
| Positive reviews | — | 26.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Best chart rank | — | **#202** |
| Size | 76 MB | 105 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kiziani Hub](https://appshunter.io/developer/1751074880) | [CardCosmic, Inc.](https://appshunter.io/developer/1858125991) |

## What reviewers say

### Main Data Sub

[App page](https://appshunter.io/ios/app/main-data-sub/id6661032147)

**Features:** macOS Compatibility

**In-app purchases:** none


### CardCosmic

[App page](https://appshunter.io/ios/app/cardcosmic/id6756063147)

**Currently charting:** #202 Top Free · Utilities (US App Store)

Easily convert unwanted gift cards into cash. The platform offers instant quotes, fast withdrawals, and competitive rates with secure transactions. Track your orders in real-time for a seamless selling experience.

**Highlights:** Sell gift cards instantly, Fast and easy withdrawals, Best market rates, Secure transactions, Track every order

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

**In-app purchases:** none


## Frequently asked questions

### Is Main Data Sub free?

Main Data Sub is free to download, with no in-app purchases.

### Is CardCosmic free?

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

### Do Main Data Sub or CardCosmic have ads?

Neither Main Data Sub nor CardCosmic shows ads.

### Which is updated more often, Main Data Sub or CardCosmic?

Main Data Sub ships an update every 3 months, and CardCosmic every 3 weeks. Most recently, Main Data Sub was updated on September 21, 2026 and CardCosmic on September 27, 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.*