Comparison

Assembly Line! vs Extra+

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

Head to head
About

Assembly Line!

Build and manage an efficient assembly line to maximize profits. This idle tycoon game features strategic machine placement and resource management. Earn money even when offline and unlock upgrades to become a wealthy industrialist.

Highlights
  • Build and manage assembly lines
  • Strategic machine placement
  • Resource crafting and selling
  • Offline revenue generation
  • Machine and resource information
  • Over 50 resources and 18 machines
Features
Read full description

Assembly Line - Build and manage your assembly line! Assembly Line combines elements from idle and tycoon games. You need to build the best assembly line in order to have the most profit possible. There're different types of machines that will help you achieve that, but you must use them strategically. Become rich as you build the best assembly line ever! The plan is simple: Build resources and then sell them. Start with the initial machine and create basics resources, and use more advanced machines to craft and create more complex resources. When you go offline the machines will keep working and still generate revenue, so when you come back you will have a pile of money to swim on it. Just like Scrooge Mcduck! :) It is only up to you how much you can make, Assembly Line is an idle game, but with the combination of tycoon and strategy elements you have a lot of choices in how you will make money. Assembly Line also offers you an information menu, where you can read information about each individual machine and resource to make the best decision on how you will set up your line. Features: • 18 different machines that will help you manage your assembly line! • More than 50 different resources to make and sell! • 20+ upgrades that will increase your profit! • Buy different assembly lines, to increase your revenue! • Earn money even when offline! • Become rich as you build and manage the best assembly line! • Not internet required.

About

Extra+

Features
Read full description

Swipe to move the dice on the board to reach 2048! When two dice with the same number touch, they merge into one. Reach the Extra Joker die and keep playing to reach even higher! Dice Extra is a simple and satisfying puzzle game with a few smart twists to make every run more strategic, more flexible and more fun! Elegantly designed with colorful tiles, smooth controls and a clean, easy-to-read board, Dice Extra is made for quick sessions, long score chases and relaxing puzzle play. Features include: • Swipe anywhere to move tiles • Smooth, satisfying tile movement • Bright, colorful high-resolution graphics • Large, easy-to-read board • Personal best scores • See the next tile before it appears • New special tiles that add more variety • Wild Joker tiles that can merge with any number • Stone tiles that can be broken to reveal hidden numbers • Grab tiles that can trigger chain merges • x2 and x4 multiplier cells for bigger scores • Free to play Plan your moves, keep your board open and use the new mechanics at the right moment to push your score higher. Whether you want a quick puzzle break or a longer run toward your next best score, Dice Extra gives the classic merge puzzle a fresh, polished and rewarding upgrade. For support and answers to frequently asked questions, visit: https://www.99upgames.com

Screenshots

Assembly Line!4 screens
Extra+4 screens

Verdict

The call

The clearest difference is in-app purchases: Assembly Line! at none against Extra+'s 1. Assembly Line! also leads on ads (none vs shown) and iOS requirement (14.0 vs 17.6). Extra+'s advantage is update cadence (every 10 days vs every 2 months). On price 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. Extra+ sells 1 one-off in-app purchase. Assembly Line! asks for nothing beyond the download.

UpkeepUpdate frequency

Assembly Line! ships an update every 2 months, Extra+ every 10 days. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
Assembly Line! versus Extra+: the parameters behind the verdict, then further details
ParameterAssembly Line!Extra+
PriceFreeFree
Rating4.2 (57 ratings) — better—
Positive reviews61.7% of reviews—
Number of ratings57 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.6
Further details — not scored
Size69 MB19 MB
Age rating4+4+
DeveloperJoao Reis99 Up Games

Bugs and requests

Assembly Line!

Reported bugs

4 issues
  • Transporter menu not closing
  • Filtered robotic arm not working properly
  • Machines resetting after closing the app
  • Offline earnings not properly credited

Requested features

4 requests
  • Copy and paste functionality
  • More blueprints and production options
  • Improved offline earnings calculation
  • Better UI and number display for high values

Extra+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Assembly Line!

No in-app purchases

1 purchases

Extra+

One-time1
  • Remove Ads$4.99

Questions

Is Assembly Line! free?
Assembly Line! is free to download, with no in-app purchases.
Is Extra+ free?
Extra+ is free to download, with in-app purchases available.
Do Assembly Line! or Extra+ have ads?
Extra+ shows ads; Assembly Line! does not.
Which is updated more often, Assembly Line! or Extra+?
Assembly Line! ships an update every 2 months, and Extra+ every 10 days. Most recently, Assembly Line! was updated on October 11, 2026 and Extra+ on October 4, 2026.

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