# Pen to Published vs Optimize Business Systems

The clearest difference is ads: Optimize Business Systems at none against Pen to Published's shown. Optimize Business Systems also leads on update cadence (every 3 months vs every 12 months) and iOS requirement (13.0 vs 18.2). On price, 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.

Pen to Published ships an update every 12 months, Optimize Business Systems every 3 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Pen to Published | Optimize Business Systems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 months** |
| Size | 16 MB | 17 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mila Johansen](https://appshunter.io/developer/1730593829) | [Optimize Business Systems](https://appshunter.io/developer/1843123814) |

## What reviewers say

### Pen to Published

[App page](https://appshunter.io/ios/app/pen-to-published/id6477801054)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optimize Business Systems

[App page](https://appshunter.io/ios/app/optimize-business-systems/id6753804025)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pen to Published free?

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

### Is Optimize Business Systems free?

Optimize Business Systems is free to download, with no in-app purchases.

### Do Pen to Published or Optimize Business Systems have ads?

Pen to Published shows ads; Optimize Business Systems does not.

### Which is updated more often, Pen to Published or Optimize Business Systems?

Pen to Published ships an update every 12 months, and Optimize Business Systems every 3 months. Most recently, Pen to Published was updated on October 27, 2026 and Optimize Business Systems on October 13, 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.*