# Train Sorting Puzzle vs Battery Lab

The clearest difference is iOS requirement: Train Sorting Puzzle at 12.0 against Battery Lab's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on March 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Train Sorting Puzzle | Battery Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/battery-lab/id6747341700/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Daily | Daily |
| Monetization | — | Ad-supported |
| Size | 143 MB | 133 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bugbomb](https://appshunter.io/developer/1440148721) | [Valery Burachonak](https://appshunter.io/developer/1812874955) |

## What reviewers say

### Train Sorting Puzzle

[App page](https://appshunter.io/ios/app/train-sorting-puzzle/id6746746682)

**Features:** macOS Compatibility

**In-app purchases:** none


### Battery Lab

[App page](https://appshunter.io/ios/app/battery-lab/id6747341700)

A puzzle game where players use a laser beam and connectors to charge colorful batteries. Strategize to complete levels before time runs out by expanding the laser and connecting it to the batteries.

**Highlights:** Expand laser beam, Charge colorful batteries, Drag and connect pieces, Complete levels, Time-based challenges, Strategic gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Train Sorting Puzzle free?

Train Sorting Puzzle is free to download, with no in-app purchases.

### Is Battery Lab free?

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

### Do Train Sorting Puzzle or Battery Lab have ads?

Both Train Sorting Puzzle and Battery Lab show ads.

### Which is updated more often, Train Sorting Puzzle or Battery Lab?

Train Sorting Puzzle ships an update daily, and Battery Lab daily. Most recently, Train Sorting Puzzle was updated on March 5, 2026 and Battery Lab on September 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.*