# Rockebilly vs aSim

The clearest difference is in-app purchases: Rockebilly at none against aSim's 10. Rockebilly also leads on iOS requirement (11.0 vs 17.0). aSim's advantage is update cadence (every 5 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. aSim sells 10 in-app purchases, starting at $2.49 per month. Rockebilly asks for nothing beyond the download.

Rockebilly ships an update every 7 months, aSim every 5 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rockebilly | aSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (70 ratings)](https://appshunter.io/ios/app/asim-create-and-share-mini-apps/id6581479509/reviews)** |
| Number of ratings | — | **70** |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 185 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Simon Meyborg](https://appshunter.io/developer/465630089) | [Daniel Li](https://appshunter.io/developer/1730842552) |

## What reviewers say

### Rockebilly

[App page](https://appshunter.io/ios/app/rockebilly/id6526482964)

**Features:** macOS Compatibility

**In-app purchases:** none


### aSim

[App page](https://appshunter.io/ios/app/asim-create-and-share-mini-apps/id6581479509)

Create and share your own mini-applications with friends. Simply describe your app idea, and within a minute, you can experience it. This platform allows for collaborative app building and sharing.

**Highlights:** Build mini-applications, Share with friends, Describe app ideas, Experience creations in 60 seconds, Collaborative app building

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 User Sub Token | $2.49 | per month |
| 2 User Sub Tokens | $4.99 | per month |
| 3 User Sub Tokens | $7.49 | per month |
| 4 User Sub Tokens | $9.99 | per month |
| aSim Plus Weekly | $9.99 | per 7 days |
| 5 User Sub Tokens | $12.49 | per month |
| aSim Plus Monthly | $19.99 | per month |
| aSim Pro Weekly | $49.99 | per 7 days |
| aSim Pro Monthly | $149.99 | per month |
| aSim Plus Yearly | $209.99 | per year |


## Frequently asked questions

### Is Rockebilly free?

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

### Is aSim free?

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

### Do Rockebilly or aSim have ads?

Neither Rockebilly nor aSim shows ads.

### Which is updated more often, Rockebilly or aSim?

Rockebilly ships an update every 7 months, and aSim every 5 days. Most recently, Rockebilly was updated on October 5, 2026 and aSim on October 14, 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.*