# BI Design Wiki vs PartX

The clearest difference is update cadence: PartX at monthly against BI Design Wiki's every 3 months. 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.

BI Design Wiki ships an update every 3 months, PartX monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BI Design Wiki | PartX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 3 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [BI Innovation](https://appshunter.io/developer/1303499261) | [Fime, TOO](https://appshunter.io/developer/990714671) |

## What reviewers say

### BI Design Wiki

[App page](https://appshunter.io/ios/app/bi-design-wiki/id6446160939)

**Features:** macOS Compatibility

**In-app purchases:** none


### PartX

[App page](https://appshunter.io/ios/app/partx/id6745438222)

**In-app purchases:** none


## Frequently asked questions

### Is BI Design Wiki free?

BI Design Wiki is free to download, with no in-app purchases.

### Is PartX free?

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

### Do BI Design Wiki or PartX have ads?

Neither BI Design Wiki nor PartX shows ads.

### Which is updated more often, BI Design Wiki or PartX?

BI Design Wiki ships an update every 3 months, and PartX monthly. Most recently, BI Design Wiki was updated on November 3, 2026 and PartX on October 30, 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.*