Comparison

Bubble Struggle 2 vs Numlock

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

Head to head
About

Bubble Struggle 2

Read full description

Labeled as one of the 'Top 10 most played online games' - now on your Apple device. The game from your childhood! Designed in 2006, re-constructed in 2021. 72 unique levels 4 different weapons (Harpoon, Hook, Laser, Mine) 5 Items to help you complete the game. Play alone -- or together with a friend (on the same device). Have fun! :) P.S. I am the original author of the Bubble Trouble (aka Bubble Struggle) games. Please let me know any feedback via email (website link inside the game). Many thanks!

About

Numlock

Engage in a rapid-fire number puzzle game where you combine tiles using arithmetic operations to reach a target number before time expires. Progress through increasing difficulty levels and compete with others.

Highlights
  • Fast-paced number tile combining
  • Multiple difficulty tiers
  • Daily challenges with shareable results
  • Game Center leaderboards and achievements
  • Stats tracking and Home Screen widget
  • Dark-mode design with animations
Features
Read full description

Numlock is a fast-paced number puzzle game that will push your mental math to the limit. HOW TO PLAY A 4x4 grid of number tiles appears with a target number at the top. Select two tiles and an operation (+, ×, −, ÷) to combine them. The first tile becomes the result; the second disappears. Make any tile equal the target before the timer runs out! Hit the target to advance to the next round with a harder challenge and a time bonus. The game ends when the clock hits zero. How far can you go? FEATURES • Fast, addictive gameplay that takes seconds to learn • 5 difficulty tiers — from Easy (addition only) to Master (all operations, huge targets) • Combo system — solve rounds quickly for score multipliers • Daily Challenge — one puzzle per day, same for all players, share your results • Game Center leaderboards and 8 achievements • Beautiful dark-mode design with smooth animations and haptics • Stats tracking — best score, streaks, combo records, and more • Widget — see your daily challenge status right from your Home Screen DIFFICULTY PROGRESSION • Levels 1-2: Easy — targets 5-18, addition only • Levels 3-5: Medium — targets 20-45, addition and multiplication • Levels 6-8: Hard — targets 48-100, add multiplication and subtraction • Levels 9-12: Expert — targets 100-200, all four operations • Level 13+: Master — targets 150-500, all operations, minimal time bonus Every puzzle is verified to be solvable before you play it. No impossible rounds. DAILY CHALLENGE A new puzzle every day at midnight. Complete 4 rounds as fast as you can. Share your results with friends in a Wordle-style format. Build your daily streak! Think you're fast? Prove it.

Screenshots

Bubble Struggle 24 screens
Numlock3 screens

Verdict

The call

The clearest difference is in-app purchases: Numlock at none against Bubble Struggle 2's 1. Numlock also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). Bubble Struggle 2's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price 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. Bubble Struggle 2 sells 1 one-off in-app purchase. Numlock asks for nothing beyond the download.

UpkeepUpdate frequency

Bubble Struggle 2 ships an update every 2 months, Numlock every 4 days. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 4 level
Bubble Struggle 2 versus Numlock: the parameters behind the verdict, then further details
ParameterBubble Struggle 2Numlock
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size37 MB1 MB
Age rating4+4+
DeveloperOne up gamesGrason McDowell

In-app purchases

1 purchases

Bubble Struggle 2

One-time1
  • Remove ads$4.99
None

Numlock

No in-app purchases

Questions

Is Bubble Struggle 2 free?
Bubble Struggle 2 is free to download, with in-app purchases available.
Is Numlock free?
Numlock is free to download, with no in-app purchases.
Do Bubble Struggle 2 or Numlock have ads?
Bubble Struggle 2 shows ads; Numlock does not.
Which is updated more often, Bubble Struggle 2 or Numlock?
Bubble Struggle 2 ships an update every 2 months, and Numlock every 4 days. Most recently, Bubble Struggle 2 was updated on October 8, 2026 and Numlock on October 2, 2026.

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