# Realm Grinder vs Assembly Line 2

The clearest difference is in-app purchases: Assembly Line 2 at none against Realm Grinder's 9. Assembly Line 2 also leads on update cadence (weekly vs every 6 weeks) and rating (4.8 vs 4.5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Realm Grinder 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 4.5. Both are backed by a comparable volume of ratings — 3.1K and 1.5K respectively. Written reviews point the same way: 64% of Realm Grinder's written reviews are positive against 80% of Assembly Line 2's.

Realm Grinder ships an update every 6 weeks, Assembly Line 2 weekly. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Realm Grinder | Assembly Line 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (3.1K ratings)](https://appshunter.io/ios/app/realm-grinder/id1110149506/reviews) | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/assembly-line-2/id1669722484/reviews)** |
| Number of ratings | **3.1K** | 1.5K |
| Positive reviews | 63.8% of reviews | **79.6% 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 | 53 MB | 138 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Kongregate](https://appshunter.io/developer/491569846) | [Joao Reis](https://appshunter.io/developer/1633456295) |

## What reviewers say

### Realm Grinder

[App page](https://appshunter.io/ios/app/realm-grinder/id1110149506)

Build a vast kingdom from humble beginnings, earning wealth even offline. Explore deep strategic choices by aligning with diverse factions, unlocking hundreds of upgrades, and discovering new game systems. Enjoy frequent events and collect numerous achievements.

**Highlights:** Kingdom building and offline wealth generation, Deep strategic choices with multiple factions, Hundreds of upgrades and unique buildings, Unlock new game systems and content, Collect hundreds of achievements, Frequent in-game events

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gift of the Heroes | $4.99 | one-time |
| Small Pack of Rubies | $4.99 | one-time |
| Gift of the Kings | $9.99 | one-time |
| Medium Pack of Rubies | $9.99 | one-time |
| Gift of the Faithful | $9.99 | one-time |
| Gift of the Myths | $14.99 | one-time |
| Gift of the Gods | $19.99 | one-time |
| Large Pack of Rubies | $19.99 | one-time |
| Huge Pack of Rubies | $49.99 | one-time |

**What reviewers like**

- 🚀 Fantastic game, getting even better
- 🚀 Best idle game imo
- 🚀 Really Good!
- 🚀 Great game, just hard to read the text
- 🚀 Amazing, Addicting, Creative, and Addicting Game!

**What reviewers complain about**

- 🐛 Scry not working - no response from support team
- 🐛 Crashes constantly
- 🐛 Impossible to read/play on iPhone 12
- 🐛 Impossible to read/play on iPhone 12
- 🐛 Broke

**Reported bugs**

- Scry not working since last release
- Crashes constantly
- Impossible to read/play on iPhone 12
- Impossible to read/play on iPhone 12
- Can't collect lava stone, only holy symbols

**Requested features**

- Have to add some faction wars
- Change the screen bigger for newer iPhone models please
- Please add Chinese
- Please add Chinese
- Suggestion


### 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 Realm Grinder free?

Realm Grinder 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, Realm Grinder or Assembly Line 2?

Assembly Line 2 is rated higher. Realm Grinder averages 4.5 out of 5 from 3.1K ratings, while Assembly Line 2 averages 4.8 from 1.5K ratings.

### Do Realm Grinder or Assembly Line 2 have ads?

Both Realm Grinder and Assembly Line 2 show ads.

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

Realm Grinder ships an update every 6 weeks, and Assembly Line 2 weekly. Most recently, Realm Grinder was updated on October 21, 2026 and Assembly Line 2 on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*