# Ringle vs Zero21 Card Game

The clearest difference is rating: Zero21 Card Game at 4.0 against Ringle's 1.0. Zero21 Card Game also leads on ratings volume (3 vs 1) and iOS requirement (15.6 vs 18.0). Ringle's advantage is update cadence (every 2 months vs every 65 months). On price, review sentiment, ads and in-app purchases 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 holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Ringle ships an update every 2 months, Zero21 Card Game every 65 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ringle | Zero21 Card Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ringle-circular-match-3/id310554164/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/zero21-card-game/id1550265606/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 65 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 44 MB | 58 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [moonxseed](https://appshunter.io/developer/310554167) | [Le Nhung](https://appshunter.io/developer/1436505077) |

## What reviewers say

### Ringle

[App page](https://appshunter.io/ios/app/ringle-circular-match-3/id310554164)

A fingertip puzzle game with simple controls and deep strategy. Choose from three modes to play at your own pace, enjoying minimal visuals and satisfying feedback. It offers a rewarding experience for quick breaks or focused play sessions.

**Highlights:** Intuitive fingertip controls, Deep, repeatable strategy, Three game modes: Relaxed, Normal, Rush, Minimalist visuals, Satisfying feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Ringle free?

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

### Is Zero21 Card Game free?

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

### Which has better reviews, Ringle or Zero21 Card Game?

Zero21 Card Game is rated higher. Ringle averages 1.0 out of 5 from 1 ratings, while Zero21 Card Game averages 4.0 from 3 ratings.

### Do Ringle or Zero21 Card Game have ads?

Both Ringle and Zero21 Card Game show ads.

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

Ringle ships an update every 2 months, and Zero21 Card Game every 65 months. Most recently, Ringle was updated on October 31, 2026 and Zero21 Card Game on November 3, 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.*