# Bottle Cap Merge Sort vs Purp

The clearest difference is in-app purchases: Purp at none against Bottle Cap Merge Sort's 12. Purp also leads on ads (none vs shown). Bottle Cap Merge Sort's advantage is iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Bottle Cap Merge Sort sells 12 in-app purchases, starting at $4.99 per 7 days. Purp asks for nothing beyond the download.

## The numbers

| Metric | Bottle Cap Merge Sort | Purp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (27 ratings)](https://appshunter.io/ios/app/bottle-cap-merge-sort/id6741880301/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 10.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 284 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [震轩 邱](https://appshunter.io/developer/1564884060) | [鸣 吕](https://appshunter.io/developer/1837129366) |

## 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 (12)**

| 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 |
| NomberPass | $9.99 | one-time |
| Pro Bundle | $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 |


### Purp

[App page](https://appshunter.io/ios/app/purp/id6752107281)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bottle Cap Merge Sort free?

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

### Is Purp free?

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

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

Bottle Cap Merge Sort shows ads; Purp does not.

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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.*