# Simubus vs XtraFibra

The clearest difference is in-app purchases: XtraFibra at none against Simubus's 3. XtraFibra also leads on update cadence (every 3 days vs fortnightly). Simubus's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Simubus sells 3 in-app purchases, starting at $12.90 per month. XtraFibra asks for nothing beyond the download.

Simubus ships an update fortnightly, XtraFibra every 3 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Simubus | XtraFibra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 49 MB | 71 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Chongqing Shengniu Technology Co., Ltd](https://appshunter.io/developer/1868286779) | [Astera Global OU](https://appshunter.io/developer/1884388998) |

## What reviewers say

### Simubus

[App page](https://appshunter.io/ios/app/simubus/id6757686667)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $12.90 | per month |
| Yearly Pro Subscription | $69.99 | per year |
| Lifetime | $79.99 | one-time |


### XtraFibra

[App page](https://appshunter.io/ios/app/xtrafibra/id6788462433)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simubus free?

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

### Is XtraFibra free?

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

### Do Simubus or XtraFibra have ads?

Neither Simubus nor XtraFibra shows ads.

### Which is updated more often, Simubus or XtraFibra?

Simubus ships an update fortnightly, and XtraFibra every 3 days. Most recently, Simubus was updated on October 14, 2026 and XtraFibra on October 6, 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.*