Comparison

Stack Colors! vs Size Up

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

Head to head
About

Stack Colors!

Arrange and stack platforms of the correct color to build height. Once stacked, launch them to achieve a significant score multiplier in a visually rewarding experience.

Highlights
  • Move and stack colored platforms
  • Kick stacked platforms
  • Score boost
  • Satisfying gameplay
Features
Read full description

Move and stack the right color platforms and finally kick them to get a huge score boost in a satisfying way!

About

Size Up

Rush through a city, collecting people of your color to grow your character's size and strength. Avoid obstacles and opponents of different colors. Fight bosses and capture fortresses to win.

Highlights
  • Collect same-colored crowds to grow character size
  • Avoid obstacles and different-colored crowds
  • Fight bosses and capture fortresses
  • Smooth swipe controls
  • Multiple unique levels
  • Rewards and gifts
Features
Read full description

Size Up - Epic Run Race 3D Size Up is one of the most anticipated epic game. This challenging game urges you to rush through the city, grow bigger and bigger. Level up and become the king of the hill with this arcade runner 3d game! Start running alone and gather everyone with similar color as yours to grow your character size. Epic Rush Runner Games: - Run without falling into traps and avoid all kinds of moving, rotating, and extended obstacles. The more people of similar color you collect, the bigger your character size becomes. If you merge with crowd of same color groups, it adds more strength and power to your character, but you must always remember about other groups of crowd with different color: if the color of other group is different than yours then it will decrease size of your character, beware of it. Get an unlimited amount of power & size until you reach end of the level. Crush your opponents in the ultimate battle and capture the fortress in fun race 3d game! Epic Run Fighting Game: - How to Play Size Up Game: SWIPE left and right to control horizontal slide on the platform. COLLECT your people to grow character size. AVOID colliding with other crowd, wall & obstacles. FIGHT against bosses. KEEP the castle. Giant Rush Color Run Race 3D: Size Up Game Features: Multiple power punches to defeat boss enemy. Multiple dance moves to enjoy your victory. This new crowd simulator is free, no money. Your goal: Join biggest crowd of your color, fight the enemy boss & win epic battle. Easy and simple control. Lots of unique levels. Deadly Traps and insurmountable obstacles. Graphics bright and sharp. Extremely smooth swipe controls. Color blast full of satisfaction. Rewards and gifts. Giant Runner Rush Games: Please share your feedback with us, we will be happy to try and add that to our game! Terms of Service and Privacy Policy: https://www.quiet.fun/legal-notices/

Screenshots

Stack Colors!4 screens
Size Up4 screens

Verdict

The call

The clearest difference is in-app purchases: Size Up at none against Stack Colors!'s 2. Size Up also leads on rating (5.0 vs 4.6). Stack Colors!'s advantage is ratings volume (181K vs 1). On price, update cadence, ads 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 Colors! sells 2 one-off in-app purchases. Size Up asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Size Up holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Stack Colors! has 181K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Stack Colors! ships an update every 6 weeks, Size Up every 5 weeks. The most recent releases landed on November 1, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Stack Colors! versus Size Up: the parameters behind the verdict, then further details
ParameterStack Colors!Size Up
PriceFreeFree
Rating4.6 (181K ratings)5.0 (1 ratings) — better
Positive reviews49.0% of reviews—
Number of ratings181K — better1
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size217 MB291 MB
Age rating12+9+
DeveloperVoodooTapNation

Customer experience

Stack Colors!

All ratings180,696 ratings
Positive89.6%
Neutral4.4%
Negative6.1%
Written reviews1,052 reviews
Positive49.0%
Neutral12.3%
Negative38.7%

Size Up

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Stack Colors!

Reported bugs

3 issues
  • Freezing and crashing issues
  • Color scheme confusion due to similar shades
  • Inconsistent bonus/kick mechanics

Requested features

4 requests
  • Ability to customize character/avatar
  • More varied level designs and challenges
  • Multiplayer or competitive modes
  • Offline play without ads

Size Up

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Stack Colors!

One-time2
  • No Ads$2.99
  • No Ads$3.99
None

Size Up

No in-app purchases

Questions

Is Stack Colors! free?
Stack Colors! is free to download, with in-app purchases available.
Is Size Up free?
Size Up is free to download, with no in-app purchases.
Which has better reviews, Stack Colors! or Size Up?
Size Up is rated higher. Stack Colors! averages 4.6 out of 5 from 181K ratings, while Size Up averages 5.0 from 1 ratings.
Do Stack Colors! or Size Up have ads?
Both Stack Colors! and Size Up show ads.
Which is updated more often, Stack Colors! or Size Up?
Stack Colors! ships an update every 6 weeks, and Size Up every 5 weeks. Most recently, Stack Colors! was updated on November 1, 2026 and Size Up on October 10, 2026.

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