Comparison

Bubble Runes vs Number Stack

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

Head to head
About

Bubble Runes

Engage in a magical bubble-shooting adventure with unique mechanics and spectacular effects. Strategically match and pop colored bubbles to create chain reactions and achieve high scores in this progressively challenging puzzle game.

Highlights
  • Unique mechanics with explosive and sticky bubbles
  • Spectacular chain reaction scoring system
  • Progressive difficulty and level system
  • Realistic physics and smooth gameplay
  • Optimized HD graphics and immersive sound
  • Haptic feedback support
Features
Read full description

Shoot. Match. Blast every rune off the board. Free to play, no ads, no paywalls. Bubble Runes is fast, loud and ridiculously satisfying. Line up three runes of the same color and watch them explode. Hit the right one and an entire wall comes crashing down. One more game? You'll say it every time. POWERS THAT TURN THE GAME AROUND Blow the board apart with the Explosion, split it in two with Lightning, pull runes together with the Magnet. And watch out for Sticky: it plays for the other side. Just when all seems lost, they show up to save you. THIRTEEN WORLDS TO DISCOVER Sail with pirates under the moon, read your fate at a fortune teller's table, get lost in deep space, dive into a retro pixel-art dungeon, survive a haunted Halloween night. Every world brings its own runes, art, music and sounds. Play, earn coins, unlock them all. BEAT YOUR FRIENDS Climb the Game Center leaderboard and show everyone who's boss. Nothing can be bought to score higher: every point is yours, and so are the bragging rights. New record? Share it with a single tap. A NEW CHALLENGE EVERY DAY A fresh daily mission, a streak to keep alive, and rewards waiting for you. ALSO IN THE BOX - iPhone, iPad and Apple Vision Pro - Game controller support - Play offline, anywhere - Progress synced with iCloud Easy to pick up, impossible to put down.

About

Number Stack

A relaxing puzzle game where you merge hexagonal number blocks to create larger numbers and clear the board. Plan your placements strategically to manage space and achieve satisfying merge chains.

Highlights
  • Merge hexa numbers
  • Clear the board
  • Build bigger numbers
  • Stack with a plan
  • Hexagon block puzzle
  • Satisfying merge chains
  • Use power-ups
Features
Read full description

A relaxing number puzzle where you merge hexa blocks, build bigger numbers, and clear the board. Number Stack - Clear Hexa combines number matching, stacking, and merging on a colorful hexagon board. Match equal numbers, create bigger blocks, and plan your placements to keep the board clear. MERGE HEXA NUMBERS Place number blocks on the board and look for matching values. When equal numbers meet, they merge into a bigger number. Keep useful numbers close, create new combinations, and look for opportunities to make one move lead into the next. The bigger your numbers become, the more carefully you need to manage the space around them. CLEAR THE BOARD Your goal is simple: clear the blocks and keep the board under control. Every placement changes the board. A move that creates a merge now can also affect the space you need for your next block, so think ahead before committing to a placement. A well-planned merge can open space and give you another chance to continue the stack. BUILD BIGGER NUMBERS Start with smaller values and combine them into larger ones. Watch your numbers grow as matching blocks merge. Look for efficient combinations instead of making every possible merge immediately. Sometimes the best move is the one that keeps more options open. STACK WITH A PLAN Every block takes up valuable space. As the stack grows, placement becomes more important. Keep useful numbers together, avoid blocking future combinations, and leave room for the next blocks. The puzzle is easy to learn, but finding the cleanest sequence of moves takes planning. HEXAGON BLOCK PUZZLE The hexa board gives the number puzzle a distinctive way to arrange and connect blocks. Colorful hexagon tiles make numbers easy to read while keeping the board clean and focused on the puzzle. SATISFYING MERGE CHAINS One good match can create another opportunity. Set up your numbers carefully and watch a successful merge open space for the next move. Chain reactions turn a simple number match into a satisfying sequence. CLEAR EVERY LEVEL Progress through levels and solve new boards as the challenge grows. Each board asks you to manage your space, find useful matches, and decide where the next number should go. Take your time and make each placement count. USE POWER-UPS When the board becomes difficult, power-ups can help you create new opportunities. Use them when a crowded position is blocking your next merge or when you need to open space and regain control of the board. EASY TO LEARN, HARDER TO MASTER The core rules are simple: Match numbers. Merge blocks. Build bigger numbers. Clear the board. The challenge comes from planning ahead and managing the space on your hexa board. Number Stack - Clear Hexa is designed for quick puzzle sessions, but the growing stack gives you plenty of reasons to think about your next move. WHY PLAY NUMBER STACK - CLEAR HEXA? • Number merge puzzle gameplay • Hexagon number blocks • Match and merge equal numbers • Build bigger number blocks • Clear-the-board objectives • Strategic stacking and placement • Satisfying merge chains • Helpful power-ups • Level-based progression • Simple, easy-to-learn controls • Relaxing casual puzzle experience If you enjoy number puzzles, merge games, hexa block puzzles, block puzzles, brain games, or 2048-style number progression, try Number Stack - Clear Hexa. Merge the numbers. Manage the stack. Clear the board.

Screenshots

Bubble Runes4 screens
Number Stack4 screens

Verdict

The call

The clearest difference is in-app purchases: Number Stack at none against Bubble Runes's 3. Number Stack also leads on update cadence (every 2 days vs weekly). Bubble Runes's advantage is ads (none vs shown). On price, review sentiment, device support and iOS requirement 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 Runes sells 3 one-off in-app purchases. Number Stack asks for nothing beyond the download.

UpkeepUpdate frequency

Bubble Runes ships an update weekly, Number Stack every 2 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Bubble Runes versus Number Stack: the parameters behind the verdict, then further details
ParameterBubble RunesNumber Stack
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—3 — better
Update frequencyWeeklyEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, Vision ProiPhone, iPad, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size334 MB58 MB
Age rating9+4+
DeveloperDimitri GianiSOUCEAN

Customer experience

Bubble Runes

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Number Stack

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Bubble Runes

One-time3
  • 500 Coins$0.99
  • 3,000 Coins$1.99
  • 10,000 Coins$5.99
None

Number Stack

No in-app purchases

Questions

Is Bubble Runes free?
Bubble Runes is free to download, with in-app purchases available.
Is Number Stack free?
Number Stack is free to download, with no in-app purchases.
Do Bubble Runes or Number Stack have ads?
Number Stack shows ads; Bubble Runes does not.
Which is updated more often, Bubble Runes or Number Stack?
Bubble Runes ships an update weekly, and Number Stack every 2 days. Most recently, Bubble Runes was updated on November 4, 2026 and Number Stack on November 6, 2026.

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