# Assembly Line 2 vs Loop

The clearest difference is rating: Assembly Line 2 at 4.8 against Loop's 4.1. Assembly Line 2 also leads on in-app purchases (none vs 4) and ratings volume (1.5K vs 8). Loop's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Loop sells 4 one-off in-app purchases. Assembly Line 2 asks for nothing beyond the download.

Assembly Line 2 holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Assembly Line 2 has 1.5K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 80% of Assembly Line 2's written reviews are positive against 67% of Loop's.

Assembly Line 2 ships an update weekly, Loop every 3 days. The most recent releases landed on October 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Assembly Line 2 | Loop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/assembly-line-2/id1669722484/reviews)** | [4.1 (8 ratings)](https://appshunter.io/ios/app/loop-brain-puzzle/id6476114211/reviews) |
| Number of ratings | **1.5K** | 8 |
| Positive reviews | **79.5% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 138 MB | 40 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joao Reis](https://appshunter.io/developer/1633456295) | [Chain1 OU](https://appshunter.io/developer/1725863864) |

## 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


### Loop

[App page](https://appshunter.io/ios/app/loop-brain-puzzle/id6476114211)

A strategy puzzle game that challenges your logical thinking and problem-solving skills. Navigate grid-based levels, use queue boxes with action items, and master looping logic to collect all points and avoid infinite loops. Enjoy a mental workout with progressive difficulty and creative solutions.

**Highlights:** Grid-based puzzles, Queue box mechanic, Looping logic action, Varied levels with increasing complexity, Points collection challenges, Ad-free gameplay, Offline play

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Gold Nuggets | $0.99 | one-time |
| Unlock All Levels | $2.99 | one-time |
| 75 Gold Nuggets | $3.99 | one-time |
| 300 Gold Nuggets | $9.99 | one-time |


## Frequently asked questions

### Is Assembly Line 2 free?

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

### Is Loop free?

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

### Which has better reviews, Assembly Line 2 or Loop?

Assembly Line 2 is rated higher. Assembly Line 2 averages 4.8 out of 5 from 1.5K ratings, while Loop averages 4.1 from 8 ratings.

### Do Assembly Line 2 or Loop have ads?

Assembly Line 2 shows ads; Loop does not.

### Which is updated more often, Assembly Line 2 or Loop?

Assembly Line 2 ships an update weekly, and Loop every 3 days. Most recently, Assembly Line 2 was updated on October 13, 2026 and Loop on September 26, 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.*