# Assembly Line! vs 4 in Sequence

The clearest difference is rating: 4 in Sequence at 5.0 against Assembly Line!'s 4.2. Assembly Line!'s advantage is update cadence (every 2 months vs every 9 months) and ratings volume (57 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

4 in Sequence holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Assembly Line! has 57 ratings behind it against 1, so its average is the more settled of the two.

Assembly Line! ships an update every 2 months, 4 in Sequence every 9 months. The most recent releases landed on August 18, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Assembly Line! | 4 in Sequence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (57 ratings)](https://appshunter.io/ios/app/assembly-line/id1339770318/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/4-in-sequence/id1506847300/reviews)** |
| Number of ratings | **57** | 1 |
| Positive reviews | 61.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 69 MB | 3 MB |
| Requires iOS | 14.0 | **13.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joao Reis](https://appshunter.io/developer/1633456295) | [Frederico Cox](https://appshunter.io/developer/1455752353) |

## What reviewers say

### Assembly Line!

[App page](https://appshunter.io/ios/app/assembly-line/id1339770318)

Build and manage an efficient assembly line to maximize profits. This idle tycoon game features strategic machine placement and resource management. Earn money even when offline and unlock upgrades to become a wealthy industrialist.

**Highlights:** Build and manage assembly lines, Strategic machine placement, Resource crafting and selling, Offline revenue generation, Machine and resource information, Over 50 resources and 18 machines

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Amazing and addictive game
- 👍 Satisfying factory building
- 🤓 Challenging and strategic
- 🎮 Fun and engaging gameplay

**What reviewers complain about**

- 🐛 Bugs with transporters and multi-selector
- 🔧 Some features not working as expected
- 💰 Unbalanced progression and profitability
- 📱 Compatibility issues with iPhone X

**Reported bugs**

- Transporter menu not closing
- Filtered robotic arm not working properly
- Machines resetting after closing the app
- Offline earnings not properly credited

**Requested features**

- Copy and paste functionality
- More blueprints and production options
- Improved offline earnings calculation
- Better UI and number display for high values


### 4 in Sequence

[App page](https://appshunter.io/ios/app/4-in-sequence/id1506847300)

A classic strategy game where players aim to connect four of their colored balls in a row. Choose from three difficulty levels to challenge your concentration and strategic thinking. Press 'New Game' to continue playing or 'Reset Game' to start fresh.

**Highlights:** Connect four balls in sequence, Three difficulty levels, Automatic difficulty adjustment, New Game and Reset Game options, Test concentration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Assembly Line! free?

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

### Is 4 in Sequence free?

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

### Which has better reviews, Assembly Line! or 4 in Sequence?

4 in Sequence is rated higher. Assembly Line! averages 4.2 out of 5 from 57 ratings, while 4 in Sequence averages 5.0 from 1 ratings.

### Do Assembly Line! or 4 in Sequence have ads?

Neither Assembly Line! nor 4 in Sequence shows ads.

### Which is updated more often, Assembly Line! or 4 in Sequence?

Assembly Line! ships an update every 2 months, and 4 in Sequence every 9 months. Most recently, Assembly Line! was updated on August 18, 2026 and 4 in Sequence on September 7, 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.*