# ProPlus Pit vs Optimal Biz Docs

The clearest difference is update cadence: ProPlus Pit at every 6 weeks against Optimal Biz Docs's every 7 months. Optimal Biz Docs's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

ProPlus Pit ships an update every 6 weeks, Optimal Biz Docs every 7 months. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ProPlus Pit | Optimal Biz Docs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Size | 7 MB | 3 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pro-Ship Incorporated.](https://appshunter.io/developer/635233200) | [OPTiM Corporation](https://appshunter.io/developer/484555009) |

## What reviewers say

### ProPlus Pit

[App page](https://appshunter.io/ios/app/proplus-pit/id635233197)

**Features:** Vision Pro support

**In-app purchases:** none


### Optimal Biz Docs

[App page](https://appshunter.io/ios/app/optimal-biz-docs/id797348056)

**In-app purchases:** none


## Frequently asked questions

### Is ProPlus Pit free?

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

### Is Optimal Biz Docs free?

Optimal Biz Docs is free to download, with no in-app purchases.

### Do ProPlus Pit or Optimal Biz Docs have ads?

Neither ProPlus Pit nor Optimal Biz Docs shows ads.

### Which is updated more often, ProPlus Pit or Optimal Biz Docs?

ProPlus Pit ships an update every 6 weeks, and Optimal Biz Docs every 7 months. Most recently, ProPlus Pit was updated on September 23, 2026 and Optimal Biz Docs on September 17, 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.*