Stack Star vs SlingShot Merge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stack Star
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Stack Star Think ahead, stack smart, and master every puzzle! Welcome to Stack Star, a fresh and satisfying puzzle experience where strategy is the key to success. Move colorful blocks between columns and organize them by color. Every decision matters as you plan the perfect sequence to complete each level. Simple to learn yet full of clever challenges, Stack Star offers relaxing gameplay that rewards smart thinking and careful planning. Features * Unique color stacking gameplay * Organize blocks into matching color columns * Hundreds of handcrafted logic puzzles * Easy to play, challenging to master * Smooth animations and satisfying interactions * Discover new mechanics as you progress * Perfect for quick sessions or long puzzle marathons Can you find the perfect strategy and complete every level? Download Stack Star today and put your puzzle skills to the test!
SlingShot Merge
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Sling, merge and duel real players in real time. SlingShot Merge is a physics puzzle: pull back the slingshot and launch numbered balls onto the board. Matching numbers merge and grow — and 4 or more matching balls merge in one go. This is not a grid-slide puzzle: every shot is aimed, and physics decides where the balls land. NEW: ADVENTURE 90 handcrafted levels across 6 worlds — Beginnings, Ice Land, Stone Forest, Ocean, Volcano and Galaxy — each with its own landscape. Reach each level's goal, earn up to 3 stars and master portals, planets, ice, cages, treasure chests and timer balls. Finish a world to open its reward: coins, lives and new ball sets. THREE WAYS TO PLAY · Classic — aim every shot and keep the balls below the red line. · Vortex — balls flow toward the center and merge in a swirling vortex. Keep them inside the gold ring. · Adventure — level by level, world by world. LIVE 1v1 DUELS Get matched with a real opponent in seconds. Three minutes, highest score wins — overflow the line and you lose instantly. PLAY A FRIEND Create a private room, share the code and duel someone you know. WEEKLY SEASONS Every Monday a new season starts. Climb the trophy, score and vortex leaderboards and earn coin rewards. MAKE IT YOURS · 15 ball sets — donuts, footballs, planets, cat and dog breeds and more · 12 live themes with animated backgrounds, themed slingshots and effects · 60 hand-drawn avatars and your own player name · Permanent power-up upgrades for undo, hammer and bomb EVERY DAY · 6 daily missions with a completion bonus · Daily reward streak · A new 30% deal in the store every day YOUR PROGRESS FOLLOWS YOU Score, coins, trophies, Adventure progress and unlocks are saved with your Game Center account. Free to play. Optional in-app purchases, including a one-time purchase to remove ads.
Screenshots
Verdict
Stack Star and SlingShot Merge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Stack Star sells 13 one-off in-app purchases and SlingShot Merge sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Stack Star ships an update every 3 weeks, SlingShot Merge every 11 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Stack Star | SlingShot Merge |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 361 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | Moonstep Games | Emirhan Gokhan UYGUN |
In-app purchases
Stack Star
- Starter Pack$0.99
- 1000 Coins$1.99
- Star Bundle$4.99
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- 5000 Coins$7.99
- No Ads$7.99
- Super Bundle$9.99
- 10000 Coins$14.99
- Mega Bundle$19.99
- 25000 Coins$29.99
- Giant Bundle$49.99
- 50000 Coins$59.99
- 100000 Coins$89.99
- Ultimate Bundle$99.99
SlingShot Merge
- 250 Coins$0.99
- Remove Ads$1.99
- 700 Coins$1.99
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- Starter Pack$2.49
- Ad-Free + Coins$2.79
- 2000 Coins$4.99









