# Build Up!! vs Crowded Sky

The clearest difference is ads: Crowded Sky at none against Build Up!!'s shown. Crowded Sky also leads on rating (5.0 vs 4.5) and update cadence (every 2 days vs fortnightly). Build Up!!'s advantage is ratings volume (16K vs 1) and device support (3 vs 1). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Build Up!! sells 1 one-off in-app purchase and Crowded Sky sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Crowded Sky holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Build Up!! has 16K ratings behind it against 1, so its average is the more settled of the two.

Build Up!! ships an update fortnightly, Crowded Sky every 2 days. The most recent releases landed on November 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Build Up!! | Crowded Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (16K ratings)](https://appshunter.io/ios/app/build-up/id1453032346/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crowded-sky/id6814630129/reviews)** |
| Number of ratings | **16K** | 1 |
| Positive reviews | 34.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 266 MB | 8 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Scout Corps](https://appshunter.io/developer/1659454946) |

## What reviewers say

### Build Up!!

[App page](https://appshunter.io/ios/app/build-up/id1453032346)

Construct your tower as tall as possible by strategically placing building nodes. Collect more nodes as you ascend to reach crucial checkpoints and achieve new heights.

**Highlights:** Build structures high, Gather building nodes, Reach checkpoints, Ascend to new heights

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads. | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and fun game
- 🚀 Runs well with no crashes
- 💰 Free to play

**What reviewers complain about**

- 💸 Excessive ads
- 🐛 Impossible or buggy levels
- 🔁 Repetitive gameplay

**Reported bugs**

- Rivet counter malfunction
- Levels regenerating incorrectly
- Tower physics issues

**Requested features**

- More level variety
- Ability to create custom maps
- Removal of perfect triangle requirement


### Crowded Sky

[App page](https://appshunter.io/ios/app/crowded-sky/id6814630129)

Pilot a spaceship using your phone's motion sensors in this arcade-style space combat game. Engage in campaign missions, endless survival modes, and time trials. Customize your ship and weapons for an immersive experience.

**Highlights:** Tilt-to-steer controls, 27 campaign missions, Infinite survival mode, 24 slalom time trials, Customizable ship loadouts, Four difficulty settings

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weapons Pack | $1.99 | one-time |
| All Slalom Courses | $1.99 | one-time |
| Campaign Act II | $2.99 | one-time |
| Campaign Act III | $2.99 | one-time |
| Campaign & Slalom Bundle | $6.99 | one-time |


## Frequently asked questions

### Is Build Up!! free?

Build Up!! is free to download, with in-app purchases available.

### Is Crowded Sky free?

Crowded Sky is free to download, with in-app purchases available.

### Which has better reviews, Build Up!! or Crowded Sky?

Crowded Sky is rated higher. Build Up!! averages 4.5 out of 5 from 16K ratings, while Crowded Sky averages 5.0 from 1 ratings.

### Do Build Up!! or Crowded Sky have ads?

Build Up!! shows ads; Crowded Sky does not.

### Which is updated more often, Build Up!! or Crowded Sky?

Build Up!! ships an update fortnightly, and Crowded Sky every 2 days. Most recently, Build Up!! was updated on November 3, 2026 and Crowded Sky on October 13, 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.*