# Crystal Dig vs Zen Bubble Merge

The clearest difference is ads: Zen Bubble Merge at none against Crystal Dig's shown. Crystal Dig's advantage is update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Crystal Dig sells 7 one-off in-app purchases and Zen Bubble Merge sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Crystal Dig ships an update every 4 days, Zen Bubble Merge every 2 weeks. The most recent releases landed on October 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Crystal Dig | Zen Bubble Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/crystal-dig-gem-miner/id6758684744/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 145 MB | 479 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Taco Truck Games](https://appshunter.io/developer/1203933681) | [Unlimited Legend Limited](https://appshunter.io/developer/1845092922) |

## What reviewers say

### Crystal Dig

[App page](https://appshunter.io/ios/app/crystal-dig-gem-miner/id6758684744)

Embark on an underground expedition combining classic block puzzle gameplay with a mining adventure. Descend through handcrafted levels, battle geological bosses, and collect rare gems. Compete for high scores and unlock achievements in this crystal-themed puzzle experience.

**Highlights:** Classic and Adventure game modes, 50 handcrafted adventure levels, 5 unique underground zones, Epic boss battles, Power-ups: Pickaxe, Shuffle, Undo, Gem collection with rarity tracking, 21 Game Center achievements

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Crystals | $0.99 | one-time |
| Pouch of Crystals | $2.99 | one-time |
| Remove Banner Ads | $3.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Sack of Crystals | $4.99 | one-time |
| Chest of Crystals | $9.99 | one-time |
| Vault of Crystals | $19.99 | one-time |


### Zen Bubble Merge

[App page](https://appshunter.io/ios/app/zen-bubble-merge/id6773305903)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coin1 | $1.99 | one-time |
| coin9 | $4.99 | one-time |
| coin3 | $14.99 | one-time |
| coin4 | $29.99 | one-time |
| coin5 | $54.99 | one-time |
| coin6 | $99.99 | one-time |


## Frequently asked questions

### Is Crystal Dig free?

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

### Is Zen Bubble Merge free?

Zen Bubble Merge is free to download, with in-app purchases available.

### Do Crystal Dig or Zen Bubble Merge have ads?

Crystal Dig shows ads; Zen Bubble Merge does not.

### Which is updated more often, Crystal Dig or Zen Bubble Merge?

Crystal Dig ships an update every 4 days, and Zen Bubble Merge every 2 weeks. Most recently, Crystal Dig was updated on October 25, 2026 and Zen Bubble Merge on October 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.*