# Genius Inc. vs Sky Stack

The clearest difference is in-app purchases: Sky Stack at none against Genius Inc.'s 6. Sky Stack also leads on update cadence (daily vs every 8 days). Genius Inc.'s advantage is ads (none vs shown) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Genius Inc. sells 6 one-off in-app purchases. Sky Stack asks for nothing beyond the download.

Genius Inc. ships an update every 8 days, Sky Stack daily. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Genius Inc. | Sky Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/genius-inc/id6474677941/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UDO GAMES OYUN YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/944939988) | [Ding-Yao Jheng](https://appshunter.io/developer/6799717682) |

## What reviewers say

### Genius Inc.

[App page](https://appshunter.io/ios/app/genius-inc/id6474677941)

Nurture a growing population by upgrading your facility and unlocking new life phases. Raise babies to become geniuses and manage your community's development. This simulation game focuses on growth and advancement.

**Highlights:** Grow your population, Upgrade your facility, Unlock new life phases, Raise babies to be geniuses

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Legendary Pack | $0.99 | one-time |
| 100 Gem | $1.99 | one-time |
| No Ads | $2.99 | one-time |
| Legendary Packs x5 | $2.99 | one-time |
| 300 Gem | $3.99 | one-time |
| 1000 Gem | $4.99 | one-time |


### Sky Stack

[App page](https://appshunter.io/ios/app/sky-stack-one-tap-tower/id6800795670)

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

**In-app purchases:** none


## Frequently asked questions

### Is Genius Inc. free?

Genius Inc. is free to download, with in-app purchases available.

### Is Sky Stack free?

Sky Stack is free to download, with no in-app purchases.

### Do Genius Inc. or Sky Stack have ads?

Sky Stack shows ads; Genius Inc. does not.

### Which is updated more often, Genius Inc. or Sky Stack?

Genius Inc. ships an update every 8 days, and Sky Stack daily. Most recently, Genius Inc. was updated on October 14, 2026 and Sky Stack on October 8, 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.*