# Zero21 Card Game vs Fill Parking

The clearest difference is update cadence: Fill Parking at daily against Zero21 Card Game's every 65 months. Fill Parking also leads on iOS requirement (11.0 vs 15.6). 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.

Zero21 Card Game ships an update every 65 months, Fill Parking daily. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Zero21 Card Game | Fill Parking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/zero21-card-game/id1550265606/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 65 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 58 MB | 80 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Nhung](https://appshunter.io/developer/1436505077) | [Nebih Basaran](https://appshunter.io/developer/1586973680) |

## What reviewers say

### Zero21 Card Game

[App page](https://appshunter.io/ios/app/zero21-card-game/id1550265606)

This number puzzle game challenges you to keep your score between 0 and 21 by collecting cards. Utilize power-up cards and strategic choices to navigate diverse levels and daily challenges. It's a fun, relaxing way to train your brain.

**Highlights:** Keep score between 0 and 21, Collect number cards, Use power-up cards, Unlock new card collections, Daily challenges, Diverse card layouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Fill Parking

[App page](https://appshunter.io/ios/app/fill-parking/id6470489082)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zero21 Card Game free?

Zero21 Card Game is free to download, with no in-app purchases.

### Is Fill Parking free?

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

### Do Zero21 Card Game or Fill Parking have ads?

Both Zero21 Card Game and Fill Parking show ads.

### Which is updated more often, Zero21 Card Game or Fill Parking?

Zero21 Card Game ships an update every 65 months, and Fill Parking daily. Most recently, Zero21 Card Game was updated on November 3, 2026 and Fill Parking on October 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.*