Comparison

IQ BLOCK vs Double Number Merging

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

Head to head
About

IQ BLOCK

This game challenges your mind with hexagonal, triangular, and square blocks. Enjoy daily brain teasers by fitting shapes into a grid. It's designed for quick play sessions to keep your mind sharp and entertained.

Highlights
  • Hexagonal, triangular, and square block puzzles
  • Daily brain challenges
  • Simple to learn, hard to master gameplay
  • Thousands of unique levels
  • Colorful graphics and themes
  • No time limits
Features
Read full description

Put your brain to the test! The most addictive block game in the market will challenge your brain in 3 different ways. We have incorporated hexagonal, Triangular and Square blocks to keep your mind fresh with new challenges on a daily basis. Play this game 3 mins a day to keep your mind fresh, and enjoy the satisfaction of fitting all the differently shaped blocks neatly on the board. Each block you successfully fill will increase your brilliance meter but so will the challenges. Are you ready to push your mind to the limits? HOW TO PLAY • Arrange the blocks to fit them all in the grid frame. • Collect block pieces to level up! • Be careful of the blockades, and fake tiles • No time limits! SPECIAL FEATURES • Simple gameplay you can master in seconds, but hard to master. • Thousands of unique levels to get your brain going all day long! What a BRAIN stretch! • Stunning, colorful graphics & themes for pure entertainment & excitement! • Perfect brain-teaser & perfect for small pockets of time

About

Double Number Merging

Engage your mind with a classic number-themed puzzle game. Strategically merge falling number blocks to clear space and achieve higher scores. Enjoy a fun and challenging experience anywhere, anytime, with features like daily bonuses and progress saving.

Highlights
  • Number block merging
  • Brain exercise
  • Multiple levels
  • Daily bonuses
  • Auto-save progress
  • Smash unwanted blocks
Features
Read full description

Challenge your brain and puzzle-solving skills with Double Number Merging. The game is suitable for everyone and focused on the classic number theme. With a simple design and easy-to-play mechanic, this puzzle game can give you entertainment and improve your reflexes at the same time. Use the right strategy to arrange and merge number blocks. Climb to higher ranks and prove your skills. Enjoy the game anywhere and whenever you want something fun and challenging to spend your time. Are you craving that satisfying feeling when merging multiple blocks at the same time? This fun and free puzzle game can surely bring it to you! What makes this game interesting: - Fun and challenging single-player puzzle game - Play anytime, anywhere! - Great brain exercise for all ages - Many levels to test and improve your puzzle-solving skills - Smooth and eye-catching effects - Auto-save and pause your progress when AFK - Daily bonuses How to play: - A numerical block will slowly fall from above each time - Tap to choose which column the block will fall onto - Break your own high-score by unlocking new number and merging as many blocks as possible - Use tools to smash unwanted blocks

Screenshots

IQ BLOCK4 screens
Double Number Merging4 screens

Verdict

The call

The clearest difference is rating: Double Number Merging at 3.9 against IQ BLOCK's 3.3. Double Number Merging also leads on ratings volume (781 vs 12). On price, review sentiment, update cadence and ads 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. IQ BLOCK sells 10 one-off in-app purchases and Double Number Merging sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Double Number Merging holds the better App Store score, 3.9 against 3.3. That said, the two scores are not equally well evidenced: Double Number Merging has 781 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 0% of IQ BLOCK's written reviews are positive against 7% of Double Number Merging's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
IQ BLOCK versus Double Number Merging: the parameters behind the verdict, then further details
ParameterIQ BLOCKDouble Number Merging
PriceFreeFree
Rating3.3 (12 ratings)3.9 (781 ratings) — better
Positive reviews0.0% of reviews7.0% of reviews — better
Number of ratings12781 — better
Update frequencyEvery 3 monthsEvery 3 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size219 MB290 MB
Age rating4+4+
DeveloperDayOne LLCpuzzle studio

Customer experience

IQ BLOCK

All ratings12 ratings
Positive58.3%
Neutral0.0%
Negative41.7%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Double Number Merging

All ratings778 ratings
Positive71.2%
Neutral6.3%
Negative22.5%
Written reviews157 reviews
Positive7.0%
Neutral3.8%
Negative89.2%

Bugs and requests

IQ BLOCK

Not enough reviews yet to summarise bugs or requests.

Double Number Merging

Reported bugs

2 issues
  • Purchased items not received
  • Freezing and crashing issues

Requested features

2 requests
  • Option to remove ads for a fee
  • Reduce frequency of ads during gameplay

In-app purchases

10 purchases

IQ BLOCK

One-time10
  • Remove Ads$2.99
  • 1,150 Coins$7.99
  • Pink Pulsar Pack$7.99
Show 7 more
  • Starter Pack$7.99
  • Mega Coin Pack$15.99
  • 2,750 Coins$19.99
  • The Dusk Bundle$19.99
  • 6,000 Coins$39.99
  • Night House Bundle$39.99
  • 15,000 Coins$89.99
9 purchases

Double Number Merging

One-time9
  • 1000 Diamonds$0.99
  • 10 Hammers$1.49
  • 10 Switches$1.49
Show 6 more
  • 3000 Diamonds$2.99
  • 4400 Diamonds$3.99
  • Starter Pack$4.99
  • 9200 Diamonds$7.99
  • 18100 Diamonds$14.99
  • 26000 Diamonds$19.99

Questions

Is IQ BLOCK free?
IQ BLOCK is free to download, with in-app purchases available.
Is Double Number Merging free?
Double Number Merging is free to download, with in-app purchases available.
Which has better reviews, IQ BLOCK or Double Number Merging?
Double Number Merging is rated higher. IQ BLOCK averages 3.3 out of 5 from 12 ratings, while Double Number Merging averages 3.9 from 781 ratings.
Do IQ BLOCK or Double Number Merging have ads?
Both IQ BLOCK and Double Number Merging show ads.
Which is updated more often, IQ BLOCK or Double Number Merging?
IQ BLOCK ships an update every 3 months, and Double Number Merging every 3 months. Most recently, IQ BLOCK was updated on November 7, 2026 and Double Number Merging on November 8, 2026.

Other comparisons