Comparison

Double Number Merging vs Overclock

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

Overclock

Test your speed, focus, and reaction time with five engaging mini-games. Compete with friends on leaderboards and unlock customization options. Designed for quick replays and challenging your personal bests.

Highlights
  • Five distinct reflex mini-games
  • Reaction time testing
  • Color matching challenges
  • Pattern recognition
  • Game Center leaderboards
  • Unlockable color themes
Features
Read full description

Overclock — Reflex Games How fast are your reflexes, really? Overclock puts your speed, focus, and reaction time to the test across five fast-paced mini-games — each one simple to learn, hard to master, and dangerously replayable. 5 Games, 5 Skills Reaction Time — Wait for green, then tap as fast as you can. Millisecond precision, pure reflex. Color Match — Fight the Stroop effect. Tap the ink color, not the word. Speed increases every round. Odd One Out — Spot the mismatched shape in a growing grid before time runs out. Sequence Recall — Watch, remember, repeat. How long a pattern can you hold? Dodge & Tap — Tap the green, dodge the red. Fast hands, faster instincts. Compete With Friends Every game connects to Game Center leaderboards, so you're not just chasing your own best — you're chasing everyone else's. Bragging rights are on the line. Make It Yours Earn coins with every round you play, and unlock new accent color themes to customize your look. Volt, Plasma, Ember, Neon — pick the vibe that matches your speed. Built to Be Replayed Instant retry after every round means there's always time for one more try. Track your personal bests, beat them, then beat them again. No ads interrupting your flow. No unnecessary permissions. Just five sharp, satisfying reflex challenges — and the only question left is: how fast are you?

Screenshots

Double Number Merging4 screens
Overclock4 screens

Verdict

The call

The clearest difference is review sentiment: Overclock at 100% against Double Number Merging's 7%. Overclock also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 9). Double Number Merging's advantage is ratings volume (778 vs 5) and iOS requirement (15.0 vs 18.2). 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. Double Number Merging sells 9 one-off in-app purchases. Overclock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Overclock holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Double Number Merging has 778 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 7% of Double Number Merging's written reviews are positive against 100% of Overclock's.

UpkeepUpdate frequency

Double Number Merging ships an update every 3 months, Overclock every 4 days. The most recent releases landed on October 19, 2026 and September 27, 2026 respectively.

Scorecard8 real differences · 2 level
Double Number Merging versus Overclock: the parameters behind the verdict, then further details
ParameterDouble Number MergingOverclock
PriceFreeFree
Rating3.9 (778 ratings)5.0 (5 ratings) — better
Positive reviews7.0% of reviews100.0% of reviews — better
Number of ratings778 — better5
Update frequencyEvery 3 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.2
Further details — not scored
Size290 MB4 MB
Age rating4+4+
Developerpuzzle studioPatrick DiRenzo

Customer experience

Double Number Merging

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

Overclock

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Overclock

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
None

Overclock

No in-app purchases

Questions

Is Double Number Merging free?
Double Number Merging is free to download, with in-app purchases available.
Is Overclock free?
Overclock is free to download, with no in-app purchases.
Which has better reviews, Double Number Merging or Overclock?
Overclock is rated higher. Double Number Merging averages 3.9 out of 5 from 778 ratings, while Overclock averages 5.0 from 5 ratings.
Do Double Number Merging or Overclock have ads?
Double Number Merging shows ads; Overclock does not.
Which is updated more often, Double Number Merging or Overclock?
Double Number Merging ships an update every 3 months, and Overclock every 4 days. Most recently, Double Number Merging was updated on October 19, 2026 and Overclock on September 27, 2026.

Other comparisons