# IM vs P

The clearest difference is update cadence: P at every 3 weeks against IM's every 4 months. IM's advantage is iOS requirement (9.0 vs 17.6). 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.

IM ships an update every 4 months, P every 3 weeks. The most recent releases landed on September 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IM | P |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 22 MB | 95 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUANG JUICHI](https://appshunter.io/developer/1072611022) | [InSynerger Technology Co., Ltd.](https://appshunter.io/developer/1447476970) |

## What reviewers say

### IM

[App page](https://appshunter.io/ios/app/im-dsp/id1500213546)

**Features:** macOS Compatibility

**In-app purchases:** none


### P

[App page](https://appshunter.io/ios/app/p-infactory/id1530129293)

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

**In-app purchases:** none


## Frequently asked questions

### Is IM free?

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

### Is P free?

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

### Do IM or P have ads?

Neither IM nor P shows ads.

### Which is updated more often, IM or P?

IM ships an update every 4 months, and P every 3 weeks. Most recently, IM was updated on September 8, 2026 and P on October 24, 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.*