# Assembly Line 2 vs Deep Water Mining Factory

The clearest difference is in-app purchases: Assembly Line 2 at none against Deep Water Mining Factory's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Deep Water Mining Factory sells 1 one-off in-app purchase. Assembly Line 2 asks for nothing beyond the download.

Assembly Line 2 ships an update weekly, Deep Water Mining Factory every 5 days. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Assembly Line 2 | Deep Water Mining Factory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/assembly-line-2/id1669722484/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 79.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 138 MB | 231 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joao Reis](https://appshunter.io/developer/1633456295) | [Sung Joon Kim](https://appshunter.io/developer/1670599180) |

## What reviewers say

### Assembly Line 2

[App page](https://appshunter.io/ios/app/assembly-line-2/id1669722484)

Build and manage a factory to craft and sell resources. Optimize your assembly line with various machines and upgrades to maximize profits, even while offline. Discover new resources and make strategic decisions to grow your industrial empire.

**Highlights:** Build and optimize 21 different machines, Unlock tons of upgrades, Craft around 50 unique resources, Offline progress generation, Informative machine and resource data, Progress backup

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fun gameplay
- 👍 Optional ads
- 🎨 Good visuals
- 🕹️ Engaging factory management

**What reviewers complain about**

- 🐛 Clunky controls
- 🔋 Battery drain issues
- 🧭 Unclear progression
- 🧠 Tedious menu navigation

**Reported bugs**

- Inconsistent offline earnings
- Crafters and splitters stop working
- Crashes on launch

**Requested features**

- Copy/paste assembly lines
- Rotate/flip multiple machines
- Pause production
- Better performance optimization


### Deep Water Mining Factory

[App page](https://appshunter.io/ios/app/deep-water-mining-factory/id1670599178)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 5 level boost (Qtr 10) | $3.99 | one-time |


## Frequently asked questions

### Is Assembly Line 2 free?

Assembly Line 2 is free to download, with no in-app purchases.

### Is Deep Water Mining Factory free?

Deep Water Mining Factory is free to download, with in-app purchases available.

### Do Assembly Line 2 or Deep Water Mining Factory have ads?

Both Assembly Line 2 and Deep Water Mining Factory show ads.

### Which is updated more often, Assembly Line 2 or Deep Water Mining Factory?

Assembly Line 2 ships an update weekly, and Deep Water Mining Factory every 5 days. Most recently, Assembly Line 2 was updated on October 16, 2026 and Deep Water Mining Factory on October 1, 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.*