Comparison

Realm Grinder vs Assembly Line 2

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Realm Grinder

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
Read full description

Grow your kingdom, build alliances, and explore one of the deepest idle RPG's ever! Use your money and influence to grow your kingdom from a single farm to a huge realm that earns wealth even while you're not online! In Realm Grinder, the player is given an incredible array of choices in how they build forge their new kingdom. KEY FEATURES: *Deep Strategy - Choose to align yourself with a dozen different factions, each of which has their own distinct play style. Will you align with the elves, who reward tapping for treasure, or the demons, who give massive bonuses to the most powerful structures? *Hundreds of Upgrades - Further fine tune your strategy by choosing unique upgrades, buildings, and spells to invest in. *Tons of Content - Continue to unlock new and exciting systems like new factions, research, reincarnations, excavations, and way more. Months and months of unique content! *Collect Hundreds of Achievements - Achievement hunters will be delighted with the broad range and depth of the achievement system. And it's not just eye candy! Many strategies rely on collecting trophies in order to boost certain upgrades. *Frequent Events - Beyond the expansive base content in the game, there are frequent events where players can enjoy unique mechanics and exciting bonuses. Please Note: Realm Grinder is a free-to-play game, but some extra game items can be purchased for real money. You can disable in-app purchases in your device's settings.

About

Assembly Line 2

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
Read full description

Welcome to Assembly Line 2, the sequel to the factory-building and managing game. Assembly Line 2 combines elements from idle and tycoon games. Make the most money by using different types of machines to build an assembly line to craft resources and sell them. Unlock upgrades to make it more efficient and expand your factory. The goal is simple, build resources and sell them. Starting with a few machines and very basic resources, and using them with more advanced machines to craft and create more complex resources. Your factory will continue generating money even when you are offline. When you return to the game you will have piles of money waiting for you, but don't spend it all in one place! While Assembly Line 2 is an idle game, because you make the layout of your factory, it is up to you to optimize it to make the most money possible. Don't worry if you get lost with all those machines to build, the game offers an information menu so you can see what each machine does at any time. It also offers information on each resource price, so you can make decisions on what to craft. You can also see stats on the amount you are producing. Features: - 21 different machines to build and optimize the best factory. - Tons of upgrades to increase productivity. - Around 50 different unique resources to craft. - Multi-language support. - Backup your progress. - No internet required.

Screenshots

Realm Grinder4 screens
Assembly Line 24 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Realm Grinder sells 9 one-off in-app purchases. Assembly Line 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Realm Grinder ships an update every 6 weeks, Assembly Line 2 weekly. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
Realm Grinder versus Assembly Line 2: the parameters behind the verdict, then further details
ParameterRealm GrinderAssembly Line 2
PriceFreeFree
Rating4.5 (3.1K ratings)4.8 (1.5K ratings) — better
Positive reviews64.0% of reviews79.5% of reviews — better
Number of ratings3.1K — better1.5K
Update frequencyEvery 6 weeksWeekly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size53 MB138 MB
Age rating9+4+
DeveloperKongregateJoao Reis

Customer experience

Realm Grinder

All ratings3,113 ratings
Positive89.1%
Neutral4.6%
Negative6.3%
Written reviews724 reviews
Positive64.0%
Neutral10.4%
Negative25.7%

Assembly Line 2

All ratings1,479 ratings
Positive94.9%
Neutral3.3%
Negative1.8%
Written reviews220 reviews
Positive79.5%
Neutral12.3%
Negative8.2%

User reviews

Realm Grinder

From 3.1K App Store ratings

What we love

  • 🚀 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!

Room to improve

  • 🐛 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

Assembly Line 2

From 1.5K App Store ratings

What we love

  • 🚀 Fun gameplay
  • 👍 Optional ads
  • 🎨 Good visuals
  • 🕹️ Engaging factory management

Room to improve

  • 🐛 Clunky controls
  • 🔋 Battery drain issues
  • 🧭 Unclear progression
  • 🧠 Tedious menu navigation

Bugs and requests

Realm Grinder

Reported bugs

10 issues
  • 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
Show 5 more
  • No lava stones
  • UI bad
  • Crashes every time it connects to Game Center
  • Spells cast not counting
  • Can't purchase anything

Requested features

5 requests
  • 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

Reported bugs

3 issues
  • Inconsistent offline earnings
  • Crafters and splitters stop working
  • Crashes on launch

Requested features

4 requests
  • Copy/paste assembly lines
  • Rotate/flip multiple machines
  • Pause production
  • Better performance optimization

In-app purchases

9 purchases

Realm Grinder

One-time9
  • Gift of the Heroes$4.99
  • Small Pack of Rubies$4.99
  • Gift of the Kings$9.99
Show 6 more
  • Medium Pack of Rubies$9.99
  • Gift of the Faithful$9.99
  • Gift of the Myths$14.99
  • Gift of the Gods$19.99
  • Large Pack of Rubies$19.99
  • Huge Pack of Rubies$49.99
None

Assembly Line 2

No in-app purchases

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 September 25, 2026 and Assembly Line 2 on September 26, 2026.

Other comparisons