Comparison

Double Number Merging vs OSAMARU

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

Head to head
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

About

OSAMARU

Features
Read full description

OSAMARU is a calm number puzzle game about placing shapes, matching sums, and building higher scores through smart moves. Play at your own pace in Classic mode, or solve handcrafted Adventure levels where every piece matters. Each board is simple to understand, but the best moves require planning, timing, and a little patience. Features: • Classic mode for endless score chasing • Adventure levels with star-based progression • Shape placement and number merging mechanics • Clean visuals and relaxed puzzle flow • Leaderboards for your best Classic scores Place the pieces, plan your board, and find the smartest way to clear each challenge.

Screenshots

Double Number Merging4 screens
OSAMARU4 screens

Verdict

The call

The clearest difference is update cadence: OSAMARU at every 3 days against Double Number Merging's every 3 months. On price, ads, in-app purchases 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. Double Number Merging sells 9 one-off in-app purchases and OSAMARU sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Double Number Merging ships an update every 3 months, OSAMARU every 3 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 9 level
Double Number Merging versus OSAMARU: the parameters behind the verdict, then further details
ParameterDouble Number MergingOSAMARU
PriceFreeFree
Rating3.9 (779 ratings) — better—
Positive reviews7.0% of reviews—
Number of ratings779 — better—
Update frequencyEvery 3 monthsEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size290 MB176 MB
Age rating4+4+
Developerpuzzle studioMuharrem Kurt

Bugs and 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

OSAMARU

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
1 purchases

OSAMARU

One-time1
  • Remove Ads$3.99

Questions

Is Double Number Merging free?
Double Number Merging is free to download, with in-app purchases available.
Is OSAMARU free?
OSAMARU is free to download, with in-app purchases available.
Do Double Number Merging or OSAMARU have ads?
Both Double Number Merging and OSAMARU show ads.
Which is updated more often, Double Number Merging or OSAMARU?
Double Number Merging ships an update every 3 months, and OSAMARU every 3 days. Most recently, Double Number Merging was updated on October 30, 2026 and OSAMARU on November 6, 2026.

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