# PicZip vs When to Post

PicZip and When to Post are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | PicZip | When to Post |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | +4 | 4+ |
| Developer | [利龙 张](https://appshunter.io/developer/1649262253) | [Rebels](https://appshunter.io/developer/1439774555) |

## What reviewers say

### PicZip

[App page](https://appshunter.io/ios/app/piczip-image-compressor/id6768667875)

**Features:** Vision Pro support

**In-app purchases:** none


### When to Post

[App page](https://appshunter.io/ios/app/when-to-post-boost-your-reach/id6800796689)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PicZip free?

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

### Is When to Post free?

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

### Do PicZip or When to Post have ads?

Neither PicZip nor When to Post shows ads.

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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.*