# Builderment vs Assembly Line 2

The clearest difference is in-app purchases: Assembly Line 2 at none against Builderment's 10. Assembly Line 2 also leads on update cadence (weekly vs every 6 weeks) and rating (4.8 vs 4.6). Builderment's advantage is iOS requirement (12.0 vs 14.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Builderment sells 9 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 4.6. Both are backed by a comparable volume of ratings — 3.3K and 1.5K respectively. Written reviews complicate that: 87% of Builderment's written reviews are positive against 80% of Assembly Line 2's, so the app with the better star average is not the one people write more warmly about.

Builderment ships an update every 6 weeks, Assembly Line 2 weekly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Builderment | Assembly Line 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.3K ratings)](https://appshunter.io/ios/app/builderment/id1558592038/reviews) | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/assembly-line-2/id1669722484/reviews)** |
| Number of ratings | **3.3K** | 1.5K |
| Positive reviews | **87.0% of reviews** | 79.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 48 MB | 138 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Builderment LLC](https://appshunter.io/developer/1558592040) | [Joao Reis](https://appshunter.io/developer/1633456295) |

## What reviewers say

### Builderment

[App page](https://appshunter.io/ios/app/builderment/id1558592038)

Build and automate complex production lines on an alien planet. Harvest resources, craft items, and research new technologies to send goods back to Earth. Expand your factories and optimize your resource extraction.

**Highlights:** Build factories on a massive scale, Automate item crafting, Use conveyor belts for transport, Research new technologies, Harvest diverse resources, Expand production lines

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pile of Gems | $2.99 | one-time |
| Pile of Gems | $4.99 | one-time |
| Bunch of Gems | $6.99 | one-time |
| Bunch of Gems | $9.99 | one-time |
| Sack of Gems | $19.99 | one-time |
| Advanced World Settings | $19.99 | one-time |
| Chest of Gems | $29.99 | one-time |
| Chest of Gems | $39.99 | one-time |
| Vault of Gems | $79.99 | one-time |

**What reviewers like**

- 🚀 Addictive and engaging gameplay
- 👍 No ads or pay-to-win mechanics
- 🚀 Smooth performance and optimization
- 👍 Intuitive and user-friendly interface
- 🚀 Efficient conveyor belt and resource management

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- ⏱️ Slow progression and research times
- 🔌 Game stops when app is closed
- 🧠 Lack of end-game content and replayability

**Reported bugs**

- Disappearing resources when moving storage
- Conveyor belt pathing issues and clipping
- Inconsistent resource production rates

**Requested features**

- Ability to run the game in the background
- Multiple research labs for parallel progression
- More varied and customizable map layouts
- Conveyor belt color-coding or labeling
- Overflow and smart splitter mechanics


### 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


## Frequently asked questions

### Is Builderment free?

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

### Is Assembly Line 2 free?

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

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

Assembly Line 2 is rated higher. Builderment averages 4.6 out of 5 from 3.3K ratings, while Assembly Line 2 averages 4.8 from 1.5K ratings.

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

Both Builderment and Assembly Line 2 show ads.

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

Builderment ships an update every 6 weeks, and Assembly Line 2 weekly. Most recently, Builderment was updated on September 24, 2026 and Assembly Line 2 on September 23, 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.*