# X vs Building Erp

The clearest difference is update cadence: Building Erp at every 3 weeks against X's every 3 months. X's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

X ships an update every 3 months, Building Erp every 3 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | X | Building Erp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 15 MB | 39 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WELL TECH, MCHJ](https://appshunter.io/developer/1738192523) | [SBD MCHJ](https://appshunter.io/developer/1705709341) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-go/id6755235523)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Building Erp

[App page](https://appshunter.io/ios/app/building-erp/id6760420341)

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

**In-app purchases:** none


## Frequently asked questions

### Is X free?

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

### Is Building Erp free?

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

### Do X or Building Erp have ads?

Neither X nor Building Erp shows ads.

### Which is updated more often, X or Building Erp?

X ships an update every 3 months, and Building Erp every 3 weeks. Most recently, X was updated on October 30, 2026 and Building Erp on October 28, 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.*