# PenX vs PlanDeck

The clearest difference is iOS requirement: PenX at 14.0 against PlanDeck's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PenX sells 4 in-app purchases, starting at $4.99 per month and PlanDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | PenX | PlanDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Size | 34 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [志毅 陈](https://appshunter.io/developer/1529215076) | [君 盛](https://appshunter.io/developer/6803296874) |

## What reviewers say

### PenX

[App page](https://appshunter.io/ios/app/penx-structured-notes-app/id6745962671)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO member | $4.99 | per month |
| PRO + AI member | $9.99 | per month |
| PRO member | $39.99 | per year |
| PRO + AI member | $79.99 | per year |


### PlanDeck

[App page](https://appshunter.io/ios/app/plandeck/id6810079579)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlanDeck Pro | $1.99 | one-time |


## Frequently asked questions

### Is PenX free?

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

### Is PlanDeck free?

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

### Do PenX or PlanDeck have ads?

Neither PenX nor PlanDeck shows ads.

### Which is updated more often, PenX or PlanDeck?

PenX ships an update every 2 days, and PlanDeck every 2 days. Most recently, PenX was updated on November 8, 2026 and PlanDeck on November 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.*