Comparison

Idle Factories Builder vs Dam Builder 3D

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

Head to head
About

Idle Factories Builder

Build and automate your own industrial empire. Manage finances, hire employees, and upgrade factories to maximize profits. Enjoy offline bonuses and watch your fortune grow in this engaging business simulator.

Highlights
  • Build and manage factories
  • Automate production lines
  • Hire and train employees
  • Upgrade industrial facilities
  • Collect offline bonuses
  • Expand your business empire
Features
Read full description

Build and automate your factories, manage your idle profits & become the most famous industrial tycoon in history! Welcome to Idle Factories Builder where your goal is to build & operate an industry empire. BUILD & MANAGE PLANTS You start the idle tycoon game by operating a small mine producing the first cash needed to develop your factory business. Handle your company finances, hire more employees, buy heavy equipment, and build more mills! Don’t worry, the idle gameplay is simple so both children and adults can easily learn how to play the 3D construction game! DEVELOP YOUR MILLS Train workers, develop management teams, upgrade your factories to work faster and make more money. Invest your capital wisely to get the maximum profit from your industrial facilities! Find new ways to make the mills produce more goods, expand the city and gain your fortune! GET OFFLINE BONUSES Collect the cash even without WiFi connection! But don't forget to open the building game to collect your daily idle bonuses! All you need is to relax and watch your bank account growing. Run the most lucrative business ever and enjoy this idle construction and tycoon game. Download one of the most exciting building simulator games now!

About

Dam Builder 3D

Build and expand a dam in this idle simulation game. Earn profits by releasing water and upgrade your dam. Unlock a fishing fleet to catch and sell fish for even more rewards.

Highlights
  • Construct and expand dams
  • Release water for profit
  • Upgrade dam sections
  • Unlock upstream dock
  • Operate a fishing boat
  • Expand fishing fleet
Features
Read full description

Introducing "Dam Builder," a super casual idle game where you embark on the journey of constructing a dam! Begin with a small dam on a serene lake and gradually expand it into a massive structure. Earn profits by releasing water from the dam. Upgrade each section of the dam individually to increase your earnings. As you progress, unlock a bustling dock in the upstream lake after constructing Dam 2. Once the dock is unlocked, you'll automatically acquire a fishing boat. Send the fishing boat out to the lake, catch fish, and transport them to the dock for additional profits. Use diamonds to unlock new fishing boats and expand your fishing fleet. Dive into the tranquil world of "Dam Builder" and witness your empire grow along with the expanding dam!

Screenshots

Idle Factories Builder4 screens
Dam Builder 3D4 screens

Verdict

The call

The clearest difference is rating: Dam Builder 3D at 4.8 against Idle Factories Builder's 4.1. Dam Builder 3D also leads on ratings volume (10K vs 35) and review sentiment (64% vs 40%). Idle Factories Builder's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model 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. Idle Factories Builder sells 3 one-off in-app purchases and Dam Builder 3D sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Dam Builder 3D holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Dam Builder 3D has 10K ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 40% of Idle Factories Builder's written reviews are positive against 64% of Dam Builder 3D's.

UpkeepUpdate frequency

Idle Factories Builder ships an update every 2 weeks, Dam Builder 3D every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard5 real differences · 5 level
Idle Factories Builder versus Dam Builder 3D: the parameters behind the verdict, then further details
ParameterIdle Factories BuilderDam Builder 3D
PriceFreeFree
Rating4.1 (35 ratings)4.8 (10K ratings) — better
Positive reviews40.0% of reviews64.3% of reviews — better
Number of ratings3510K — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.0
Further details — not scored
Size213 MB209 MB
Age rating4+4+
DeveloperAI Games FZSolid Games

Customer experience

Idle Factories Builder

All ratings35 ratings
Positive71.4%
Neutral11.4%
Negative17.1%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Dam Builder 3D

All ratings9,983 ratings
Positive94.8%
Neutral3.5%
Negative1.7%
Written reviews168 reviews
Positive64.3%
Neutral5.4%
Negative30.4%

Bugs and requests

Idle Factories Builder

Not enough reviews yet to summarise bugs or requests.

Dam Builder 3D

Reported bugs

3 issues
  • Ads not working as intended
  • Game freezing or crashing
  • Issues with in-app purchases

Requested features

4 requests
  • More maps and levels
  • Reduced ad frequency
  • Shorter ad durations
  • Improved water physics

In-app purchases

3 purchases

Idle Factories Builder

One-time3
  • No Forced Ads$4.99
  • No Ads (Discount)$11.99
  • No Ads$16.99
10 purchases

Dam Builder 3D

One-time10
  • Diamond Pack 1$1.99
  • AD ticket (Mid)$1.99
  • AD ticket (Big)$3.99
Show 7 more
  • No Ads Lite$4.99
  • Diamond Pack 2$4.99
  • Diamond Package (Small)$4.99
  • No Ads Plus$9.99
  • Diamond Pack 3$9.99
  • Remove force ad forever$9.99
  • Diamond Package (Big)$9.99

Questions

Is Idle Factories Builder free?
Idle Factories Builder is free to download, with in-app purchases available.
Is Dam Builder 3D free?
Dam Builder 3D is free to download, with in-app purchases available.
Which has better reviews, Idle Factories Builder or Dam Builder 3D?
Dam Builder 3D is rated higher. Idle Factories Builder averages 4.1 out of 5 from 35 ratings, while Dam Builder 3D averages 4.8 from 10K ratings.
Do Idle Factories Builder or Dam Builder 3D have ads?
Both Idle Factories Builder and Dam Builder 3D show ads.
Which is updated more often, Idle Factories Builder or Dam Builder 3D?
Idle Factories Builder ships an update every 2 weeks, and Dam Builder 3D every 2 months. Most recently, Idle Factories Builder was updated on November 3, 2026 and Dam Builder 3D on November 7, 2026.

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