# Safe Cracker vs Assembly Line 2

The clearest difference is review sentiment: Assembly Line 2 at 80% against Safe Cracker's 0%. Assembly Line 2 also leads on rating (4.8 vs 2.4) and in-app purchases (none vs 3). Safe Cracker's advantage is iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Safe Cracker sells 3 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 2.4. That said, the two scores are not equally well evidenced: Assembly Line 2 has 1.5K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Safe Cracker's written reviews are positive against 80% of Assembly Line 2's.

Safe Cracker ships an update every 27 months, Assembly Line 2 weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Safe Cracker | Assembly Line 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (5 ratings)](https://appshunter.io/ios/app/safe-cracker-whack-your-lock/id1054319739/reviews) | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/assembly-line-2/id1669722484/reviews)** |
| Number of ratings | 5 | **1.5K** |
| Positive reviews | 0.0% of reviews | **79.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 27 months | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 111 MB | 138 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serge Spijkstra](https://appshunter.io/developer/706002599) | [Joao Reis](https://appshunter.io/developer/1633456295) |

## What reviewers say

### Safe Cracker

[App page](https://appshunter.io/ios/app/safe-cracker-whack-your-lock/id1054319739)

A puzzle game where players decipher complex codes to crack safes. It requires precision timing, strategic thinking, and pattern recognition to progress through increasingly difficult levels and earn rewards.

**Highlights:** Decipher complex codes, Precision timing mechanics, Strategic problem-solving, Unlock new safes and skins, Leaderboard challenges, Intuitive controls

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add life | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| no ads | $2.99 | one-time |


### 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 Safe Cracker free?

Safe Cracker 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, Safe Cracker or Assembly Line 2?

Assembly Line 2 is rated higher. Safe Cracker averages 2.4 out of 5 from 5 ratings, while Assembly Line 2 averages 4.8 from 1.5K ratings.

### Do Safe Cracker or Assembly Line 2 have ads?

Both Safe Cracker and Assembly Line 2 show ads.

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

Safe Cracker ships an update every 27 months, and Assembly Line 2 weekly. Most recently, Safe Cracker was updated on October 24, 2026 and Assembly Line 2 on October 25, 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.*