Number Run vs Sky Stackers
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Number Run
Embark on a thrilling number-collecting adventure where you run, merge, and battle with unique characters. Expand your collection of funny numbers and build a powerful army to overcome obstacles and enemies in a vibrant 3D world.
- Collect and merge numbers
- Unlock new characters
- Battle enemies
- Beautiful 3D graphics
- Offline gameplay
- ASMR sound effects
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Welcome to the world of Math and Numbers with amazing characters! Run, collect and merge to unlock the new free number! Let's explore, get all funny numbers into your collection and build your own powerful numbers' army. FEATURE OF NUMBER RUN: MERGE 3D MATH - Free to play, offline availabel - Beautiful 3D numbers graphic design - Fun and addictive gameplay - Easy to play, suitable for all ages - ASMR sound will help you relax - No time limit, have fun today HOW TO PLAY NUMBER RUN: MERGE 3D MATH - Simply swipe number to move - Collect numbers and items on the way - Avoid the obstacles - Merge same numbers to power up to beat enemies - Unlock new numbers - If you bump into obstacles and lose all the numbers, you have to start over. Try to evolve to beat all enemies and build a relax numbers' world. Download Number Run: Merge 3D Math Game and relax for free now.
Sky Stackers
A fast-paced arcade game where players precisely drop blocks to build a tower as high as possible. The challenge increases with height, offering endless score chasing and quick, satisfying stacking sessions.
- One-touch gameplay
- Endless score chasing
- Satisfying stacking mechanics
- Rewarded continues
- Quick play sessions
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Sky Stackers is a fast and addictive arcade stacking game where precision and timing matter. Drop blocks carefully, build your tower higher, and keep the stack from collapsing. The higher you climb, the harder it gets. Features: • Simple one-touch gameplay • Endless score chasing • Smooth and satisfying stacking mechanics • Rewarded continues • Premium option to remove ads • Quick sessions, perfect anytime play Can you reach the sky?
Screenshots
Verdict
The clearest difference is review sentiment: Sky Stackers at 100% against Number Run's 50%. Sky Stackers also leads on rating (5.0 vs 3.7) and ads (none vs shown). Number Run's advantage is ratings volume (80 vs 4) and iOS requirement (12.0 vs 17.0). On price, in-app purchases, monetization model 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
Both are free to download. Number Run sells 1 one-off in-app purchase and Sky Stackers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sky Stackers holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Number Run has 80 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of Number Run's written reviews are positive against 100% of Sky Stackers's.
Number Run ships an update every 6 weeks, Sky Stackers daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | Number Run | Sky Stackers |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (80 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 80 — better | 4 |
| Update frequency | Every 6 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 280 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | Negaxy., JSC | Zackery Allen |
Customer experience
Number Run
Sky Stackers
In-app purchases
Number Run
- remove ads$2.99
Sky Stackers
- Premium Upgrade$0.99
Questions
Is Number Run free?
Is Sky Stackers free?
Which has better reviews, Number Run or Sky Stackers?
Do Number Run or Sky Stackers have ads?
Which is updated more often, Number Run or Sky Stackers?
Other comparisons
