Comparison

Circles JS vs Stack Tower

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

Head to head
About

Circles JS

Features
Read full description

The sequel to the 2015 hit game Circles is finally here and it's more fun than ever! Survive for as long as possible through endless waves in this casual and easy to learn but hard to master action game. Avoid the red circles and pop as many green ones as you can to increase your score. Colliding with a red circle means it's game over, so make sure to get rid of them by popping the blue, orange and purple ones. How many points can you get? Can you beat your friends? Game features: • Fast-paced, fun and addictive gameplay • Intuitive and customizable one-handed controls • No ads or other annoyances

About

Stack Tower

Tap to stack blocks with precision and build the tallest tower possible. Perfect placements are key to maintaining width and boosting your score. Compete in daily challenges and real-time multiplayer matches.

Highlights
  • Precision block stacking
  • Daily challenges with unique levels
  • Real-time multiplayer battles
  • Game Center leaderboards
  • Unlockable skins and achievements
  • Satisfying sound and haptic feedback
Features
Read full description

Stack blocks with precision and build the tallest tower you can. Every tap counts. Stack Tower is a fast-paced block stacking game where timing is everything. Blocks slide across the screen and you tap to place them. Any overhang gets sliced off, making the next block smaller. Land perfectly to keep your tower wide and your score climbing. PRECISION STACKING Tap at just the right moment to place each block. Perfect placements keep your tower full width. Chain together perfect placements to build combos that recover lost width and boost your score. DAILY CHALLENGES A new challenge drops every day with unique platform widths and speed curves. Some days test your reflexes, others reward patience. Everyone plays the same seed, so the daily leaderboard is a true test of skill. REAL-TIME MULTIPLAYER Race head to head against friends or random opponents through Game Center. Watch their tower grow in real time as you both compete for the highest score. Invite friends directly or get matched automatically. GAME CENTER LEADERBOARDS Compete on daily, weekly, and all-time leaderboards. See how your best runs stack up against players around the world. 18 UNLOCKABLE SKINS Earn skins by hitting milestones like high scores, combos, and total blocks placed. Each skin changes your block colors and background gradients, giving your tower a fresh look. ACHIEVEMENTS Track your progress through dozens of achievements. Hit score targets, land perfect streaks, and rack up lifetime stats to unlock rewards. PRO FEATURES Take your game to the next level with Pro. Unlock all 18 skins instantly, including 3 exclusive Pro-only designs. Get detailed game statistics to track your improvement, and enjoy an ad-free experience. DESIGNED TO FEEL GREAT Satisfying sound effects and haptic feedback on every block placement. Smooth animations, camera shake on impacts, and particle bursts on perfect landings make every round feel alive. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://www.napitventures.com/apps/stack-tower/terms Privacy Policy: https://www.napitventures.com/apps/stack-tower/privacy

Screenshots

Circles JS3 screens
Stack Tower4 screens

Verdict

The call

The clearest difference is in-app purchases: Circles JS at none against Stack Tower's 1. Circles JS also leads on ads (none vs shown) and update cadence (monthly vs every 5 months). 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. Stack Tower sells 1 one-off in-app purchase. Circles JS asks for nothing beyond the download.

UpkeepUpdate frequency

Circles JS ships an update monthly, Stack Tower every 5 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Circles JS versus Stack Tower: the parameters behind the verdict, then further details
ParameterCircles JSStack Tower
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyMonthly — betterEvery 5 months
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size11 MB5 MB
Age rating4+4+
DeveloperGustav FridellJenesh Napit

In-app purchases

None

Circles JS

No in-app purchases

1 purchases

Stack Tower

One-time1
  • Pro Upgrade$0.99

Questions

Is Circles JS free?
Circles JS is free to download, with no in-app purchases.
Is Stack Tower free?
Stack Tower is free to download, with in-app purchases available.
Do Circles JS or Stack Tower have ads?
Stack Tower shows ads; Circles JS does not.
Which is updated more often, Circles JS or Stack Tower?
Circles JS ships an update monthly, and Stack Tower every 5 months. Most recently, Circles JS was updated on October 11, 2026 and Stack Tower on October 6, 2026.

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