# 67 Duos vs Bubble Pop Zen

67 Duos and Bubble Pop Zen are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

67 Duos ships an update every 2 days, Bubble Pop Zen every 4 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 67 Duos | Bubble Pop Zen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/67-duos/id6756528504/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Ad-supported | — |
| Size | 32 MB | 53 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Matthew Margulis](https://appshunter.io/developer/1838211385) | [Jintu Sangha](https://appshunter.io/developer/1812454466) |

## What reviewers say

### 67 Duos

[App page](https://appshunter.io/ios/app/67-duos/id6756528504)

A simple yet addictive game where players tap numbers in a specific sequence to build combos. Offers different modes for quick play, endless challenges, or relaxed sessions. Customize the visual theme and compete globally for high scores.

**Highlights:** Sequence tapping gameplay, Blitz, Survival, and Zen modes, Customizable themes (kittens, puppies), Global leaderboard, Easy to learn, hard to master

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Pop Zen

[App page](https://appshunter.io/ios/app/bubble-pop-zen/id6756987686)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 67 Duos free?

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

### Is Bubble Pop Zen free?

Bubble Pop Zen is free to download, with no in-app purchases.

### Do 67 Duos or Bubble Pop Zen have ads?

Both 67 Duos and Bubble Pop Zen show ads.

### Which is updated more often, 67 Duos or Bubble Pop Zen?

67 Duos ships an update every 2 days, and Bubble Pop Zen every 4 days. Most recently, 67 Duos was updated on November 5, 2026 and Bubble Pop Zen on November 9, 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.*