# Bottle Cap Merge Sort vs ZooBlox Sort

The clearest difference is review sentiment: ZooBlox Sort at 71% against Bottle Cap Merge Sort's 11%. ZooBlox Sort also leads on rating (4.9 vs 2.1) and ratings volume (971 vs 27). Bottle Cap Merge Sort's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Bottle Cap Merge Sort sells 10 in-app purchases, starting at $4.99 per 7 days and ZooBlox Sort sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ZooBlox Sort holds the better App Store score, 4.9 against 2.1. That said, the two scores are not equally well evidenced: ZooBlox Sort has 971 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 11% of Bottle Cap Merge Sort's written reviews are positive against 71% of ZooBlox Sort's.

Bottle Cap Merge Sort ships an update every 3 weeks, ZooBlox Sort weekly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Bottle Cap Merge Sort | ZooBlox Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (27 ratings)](https://appshunter.io/ios/app/bottle-cap-merge-sort/id6741880301/reviews) | **[4.9 (971 ratings)](https://appshunter.io/ios/app/zooblox-sort/id6749881819/reviews)** |
| Number of ratings | 27 | **971** |
| Positive reviews | 10.7% of reviews | **70.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 284 MB | 310 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [震轩 邱](https://appshunter.io/developer/1564884060) | [LE TECH CO.,LIMITED](https://appshunter.io/developer/1742170855) |

## What reviewers say

### Bottle Cap Merge Sort

[App page](https://appshunter.io/ios/app/bottle-cap-merge-sort/id6741880301)

Merge bottle caps by collecting and combining them to reach higher levels. Strategically add new caps to the board and aim for continuous upgrades. Challenge yourself to achieve the highest cap levels and enjoy the satisfying gameplay.

**Highlights:** Merge identical bottle caps, Combine caps to create higher levels, Add new caps to the board, Challenge yourself with increasing levels, Daily rewards with subscription

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Weekly Plan | $4.99 | per 7 days |
| Gold Gife | $0.99 | one-time |
| Rocket Sale | $0.99 | one-time |
| Normal Bundle | $1.99 | one-time |
| Master Bundle | $9.99 | one-time |
| 30-Day Ad-Free Pass | $9.99 | one-time |
| Ultra Bundle | $19.99 | one-time |
| Luxury Gold Bundle | $49.99 | one-time |
| Legendary Bundle | $49.99 | one-time |
| Giant Bundle | $79.99 | one-time |


### ZooBlox Sort

[App page](https://appshunter.io/ios/app/zooblox-sort/id6749881819)

Engage in a relaxing block sorting puzzle game featuring adorable animal characters. Arrange colorful blocks, test your logic, and collect new animals. Build and decorate your own island, compete with friends, and enjoy daily challenges.

**Highlights:** Sort and collect cute animal blocks, Drag and drop controls, Special bases and streak rewards, Build and decorate an island, Leaderboard competition, Daily tasks and rewards

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| chainpackge_1 | $0.99 | one-time |
| chainpackge_7 | $0.99 | one-time |
| Undo | $0.99 | one-time |
| level_Add_Column_item*2 | $0.99 | one-time |
| LEVEL PACK 01 | $1.99 | one-time |
| level_Add_Column_item*4 | $1.99 | one-time |
| chainpackge_8 | $2.99 | one-time |
| Addboard item  02 | $4.99 | one-time |
| no ads lifetime | $9.99 | one-time |
| NoAds_Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Bottle Cap Merge Sort free?

Bottle Cap Merge Sort is free to download, with in-app purchases available.

### Is ZooBlox Sort free?

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

### Which has better reviews, Bottle Cap Merge Sort or ZooBlox Sort?

ZooBlox Sort is rated higher. Bottle Cap Merge Sort averages 2.1 out of 5 from 27 ratings, while ZooBlox Sort averages 4.9 from 971 ratings.

### Do Bottle Cap Merge Sort or ZooBlox Sort have ads?

Both Bottle Cap Merge Sort and ZooBlox Sort show ads.

### Which is updated more often, Bottle Cap Merge Sort or ZooBlox Sort?

Bottle Cap Merge Sort ships an update every 3 weeks, and ZooBlox Sort weekly. Most recently, Bottle Cap Merge Sort was updated on November 4, 2026 and ZooBlox Sort on November 8, 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.*