# Reef Bubbles vs Stakko

The clearest difference is in-app purchases: Reef Bubbles at none against Stakko's 2. Reef Bubbles also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Stakko sells 2 in-app purchases, starting at $3.99 per month. Reef Bubbles asks for nothing beyond the download.

Reef Bubbles ships an update daily, Stakko every 2 weeks. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Reef Bubbles | Stakko |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/stakko-daily-sort-puzzle/id6779988243/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 14 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Raj Salim](https://appshunter.io/developer/1638689285) | [Luke McGinley](https://appshunter.io/developer/1896761938) |

## What reviewers say

### Reef Bubbles

[App page](https://appshunter.io/ios/app/reef-bubbles/id6761497043)

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

**In-app purchases:** none


### Stakko

[App page](https://appshunter.io/ios/app/stakko-daily-sort-puzzle/id6779988243)

A relaxing block-sorting puzzle game where you slide numbered blocks to match specific column goals. Offers daily challenges, curated puzzles, and a timed mode for strategic gameplay. Designed for a clean and satisfying user experience.

**Highlights:** Daily block-sorting challenges, Easy, Medium, and Hard curated puzzles, Timed Gauntlet mode, Progress tracking with stats and streaks, Clean and relaxing interface, Supports iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stakko+ Monthly | $3.99 | per month |
| Stakko+ Yearly | $24.99 | per year |


## Frequently asked questions

### Is Reef Bubbles free?

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

### Is Stakko free?

Stakko is free to download, with in-app purchases available.

### Do Reef Bubbles or Stakko have ads?

Stakko shows ads; Reef Bubbles does not.

### Which is updated more often, Reef Bubbles or Stakko?

Reef Bubbles ships an update daily, and Stakko every 2 weeks. Most recently, Reef Bubbles was updated on October 25, 2026 and Stakko on October 10, 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.*