# Super Solitaire 21 to Zero vs Cargo Overseer

The clearest difference is rating: Cargo Overseer at 4.9 against Super Solitaire 21 to Zero's 3.0. Cargo Overseer also leads on ratings volume (23 vs 4). Super Solitaire 21 to Zero's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Cargo Overseer holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Cargo Overseer has 23 ratings behind it against 4, so its average is the more settled of the two.

Super Solitaire 21 to Zero ships an update every 3 days, Cargo Overseer every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Super Solitaire 21 to Zero | Cargo Overseer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/super-solitaire-21-to-zero/id1503396699/reviews) | **[4.9 (23 ratings)](https://appshunter.io/ios/app/cargo-overseer/id6814700560/reviews)** |
| Number of ratings | 4 | **23** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 30 MB | 165 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Dusan Lilic](https://appshunter.io/developer/1458408899) | [爱芹 王](https://appshunter.io/developer/1831634736) |

## What reviewers say

### Super Solitaire 21 to Zero

[App page](https://appshunter.io/ios/app/super-solitaire-21-to-zero/id1503396699)

This card game offers a unique twist on solitaire, challenging players to keep their score between 0 and 21 within a 30-second time limit. It features two distinct modes, including an "insane" mode with rapid shuffling, designed to train your brain and provide an engaging offline experience.

**Highlights:** Unique score-based solitaire gameplay, Stay between 0 and 21 score, 30-second timed levels, Normal and Insane game modes, Offline play, Brain training challenges

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

**In-app purchases:** none


### Cargo Overseer

[App page](https://appshunter.io/ios/app/cargo-overseer/id6814700560)

Engage in a challenging cargo sorting game where you must match colorful packages to the correct carts on a moving track. Plan your moves strategically to complete each level within a limited number of attempts. Test your organizational skills to become the ultimate cargo sorting expert.

**Highlights:** Package sorting challenge, Match colorful packages, Moving track gameplay, Limited moves per level, Strategic planning required, Become a sorting expert

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

**In-app purchases:** none


## Frequently asked questions

### Is Super Solitaire 21 to Zero free?

Super Solitaire 21 to Zero is free to download, with no in-app purchases.

### Is Cargo Overseer free?

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

### Which has better reviews, Super Solitaire 21 to Zero or Cargo Overseer?

Cargo Overseer is rated higher. Super Solitaire 21 to Zero averages 3.0 out of 5 from 4 ratings, while Cargo Overseer averages 4.9 from 23 ratings.

### Do Super Solitaire 21 to Zero or Cargo Overseer have ads?

Neither Super Solitaire 21 to Zero nor Cargo Overseer shows ads.

### Which is updated more often, Super Solitaire 21 to Zero or Cargo Overseer?

Super Solitaire 21 to Zero ships an update every 3 days, and Cargo Overseer every 3 weeks. Most recently, Super Solitaire 21 to Zero was updated on November 3, 2026 and Cargo Overseer 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.*