# Vibecoding Idle vs The UnderGrowth

The clearest difference is update cadence: The UnderGrowth at every 5 days against Vibecoding Idle's every 3 weeks. The UnderGrowth also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Vibecoding Idle sells 1 one-off in-app purchase and The UnderGrowth sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Vibecoding Idle ships an update every 3 weeks, The UnderGrowth every 5 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | Vibecoding Idle | The UnderGrowth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (21 ratings)](https://appshunter.io/ios/app/vibecoding-idle-ai-tycoon/id6753848492/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 37 MB | 26 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TODAUD](https://appshunter.io/developer/1829882233) | [Ehren Davis](https://appshunter.io/developer/1808781309) |

## What reviewers say

### Vibecoding Idle

[App page](https://appshunter.io/ios/app/vibecoding-idle-ai-tycoon/id6753848492)

An incremental coding simulator where you build an AI empire. Start with basic coding and automate systems to generate wealth, even while offline. Features include empire building, AFK rewards, and strategic prestige resets.

**Highlights:** Build a tech empire, Automated offline earnings, Boost production speed, Strategic prestige resets, Terminal aesthetics, Idle clicker gameplay

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

**In-app purchases (1)**

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


### The UnderGrowth

[App page](https://appshunter.io/ios/app/the-undergrowth/id6759311061)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10× Click Power | $0.99 | one-time |
| 2× Production Boost | $0.99 | one-time |


## Frequently asked questions

### Is Vibecoding Idle free?

Vibecoding Idle is free to download, with in-app purchases available.

### Is The UnderGrowth free?

The UnderGrowth is free to download, with in-app purchases available.

### Do Vibecoding Idle or The UnderGrowth have ads?

Both Vibecoding Idle and The UnderGrowth show ads.

### Which is updated more often, Vibecoding Idle or The UnderGrowth?

Vibecoding Idle ships an update every 3 weeks, and The UnderGrowth every 5 days. Most recently, Vibecoding Idle was updated on November 9, 2026 and The UnderGrowth on November 9, 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.*