# Penng vs 4TRAINER

The clearest difference is in-app purchases: Penng at none against 4TRAINER's 4. 4TRAINER's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 4TRAINER sells 4 in-app purchases, starting at $49.99 per month. Penng asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Penng | 4TRAINER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 219 MB | 45 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Fehrsen](https://appshunter.io/developer/1779903399) | [Racquel Nina Dennison](https://appshunter.io/developer/1885601216) |

## What reviewers say

### Penng

[App page](https://appshunter.io/ios/app/penng/id6738275081)

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

**In-app purchases:** none


### 4TRAINER

[App page](https://appshunter.io/ios/app/4trainer/id6760665109)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard monthly subscription | $49.99 | per month |
| Three month subscription | $129.99 | per 3 months |
| Six month subscription | $244.99 | per 6 months |
| Annual Subscription | $449.99 | per year |


## Frequently asked questions

### Is Penng free?

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

### Is 4TRAINER free?

4TRAINER is free to download, with in-app purchases available.

### Do Penng or 4TRAINER have ads?

Neither Penng nor 4TRAINER shows ads.

### Which is updated more often, Penng or 4TRAINER?

Penng ships an update weekly, and 4TRAINER weekly. Most recently, Penng was updated on September 20, 2026 and 4TRAINER on September 22, 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.*