# Stack Colors! vs Size Up

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.

Both are free to download. Stack Colors! sells 2 one-off in-app purchases. Size Up asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | Stack Colors! | Size Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (181K ratings)](https://appshunter.io/ios/app/stack-colors/id1504295793/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/size-up-epic-run-race-3d/id6504098546/reviews)** |
| Number of ratings | **181K** | 1 |
| Positive reviews | 49.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 217 MB | 291 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [TapNation](https://appshunter.io/developer/1483575279) |

## What reviewers say

### Stack Colors!

[App page](https://appshunter.io/ios/app/stack-colors/id1504295793)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |
| No Ads | $3.99 | one-time |

**What reviewers like**

- 🎉 Fun and addictive gameplay
- 💥 Satisfying color-matching mechanics
- 🚀 Fast-paced and responsive controls
- 👍 Easy to pick up and play

**What reviewers complain about**

- 🔍 Repetitive and monotonous levels
- 🔋 High battery consumption
- 🐛 Occasional glitches and lags
- 💸 Excessive advertisements

**Reported bugs**

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

**Requested features**

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


### Size Up

[App page](https://appshunter.io/ios/app/size-up-epic-run-race-3d/id6504098546)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*