# Train Miner vs Bottle Cap Merge Sort

The clearest difference is rating: Train Miner at 4.9 against Bottle Cap Merge Sort's 2.1. Train Miner also leads on ratings volume (762 vs 27). Bottle Cap Merge Sort's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Train Miner sells 13 in-app purchases, starting at $6.99 per 7 days and Bottle Cap Merge Sort sells 12 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Train Miner holds the better App Store score, 4.9 against 2.1. That said, the two scores are not equally well evidenced: Train Miner has 762 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 18% of Train Miner's written reviews are positive against 11% of Bottle Cap Merge Sort's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Train Miner | Bottle Cap Merge Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (762 ratings)](https://appshunter.io/ios/app/train-miner-idle-construction/id6738736540/reviews)** | [2.1 (27 ratings)](https://appshunter.io/ios/app/bottle-cap-merge-sort/id6741880301/reviews) |
| Number of ratings | **762** | 27 |
| Positive reviews | **18.2% of reviews** | 10.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 377 MB | 281 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mango Gamez](https://appshunter.io/developer/1766950921) | [震轩 邱](https://appshunter.io/developer/1564884060) |

## What reviewers say

### Train Miner

[App page](https://appshunter.io/ios/app/train-miner-idle-construction/id6738736540)

Build impressive structures and monuments using automated trollies to transport materials. Upgrade tools, merge vehicles, and enjoy a relaxing construction experience with stunning 3D graphics. Watch your creations come to life brick by brick.

**Highlights:** Automated trollies for material transport, Brick cutting for precise construction, Trolley merging for faster delivery, Tool and cutter upgrades, Monument and building construction, Relaxing ASMR experience

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Subscription | $6.99 | per 7 days |
| Automove Train Forever | $1.99 | one-time |
| 3x Earnings Forever | $1.99 | one-time |
| Pack of 10 Gems | $1.99 | one-time |
| Speed Up | $1.99 | one-time |
| Limited Time Offer | $2.99 | one-time |
| Pack of 30 Gems | $4.99 | one-time |
| Pro Pack | $6.99 | one-time |
| Pack of 50 Gems | $8.99 | one-time |
| Remove forced ads | $9.99 | one-time |
| Remove Ads Pack | $10.99 | one-time |
| Pack of 100 Gems | $14.99 | one-time |
| Pack of 200 Gems | $19.99 | one-time |

**What reviewers like**

- 👍 Great game
- 💡 Automatic train movement

**What reviewers complain about**

- 🐛 Progress reset issue
- 🔒 Lack of customer support
- 💰 Paid version still has ads
- 🔋 Too many ads

**Reported bugs**

- Progress reset
- Idle mode not working

**Requested features**

- New locations
- More levels


### 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 |


## Frequently asked questions

### Is Train Miner free?

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

### Is Bottle Cap Merge Sort free?

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

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

Train Miner is rated higher. Train Miner averages 4.9 out of 5 from 762 ratings, while Bottle Cap Merge Sort averages 2.1 from 27 ratings.

### Do Train Miner or Bottle Cap Merge Sort have ads?

Both Train Miner and Bottle Cap Merge Sort show ads.

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

Train Miner ships an update monthly, and Bottle Cap Merge Sort monthly. Most recently, Train Miner was updated on September 20, 2026 and Bottle Cap Merge Sort on September 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.*