Comparison

PenX vs penX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

PenX

A structured note-taking App

About

PenX

Features

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An elegant App designed to help you capture, organize, and store your thoughts, tasks, ideas, and information. - Local-first - Privacy-first - Open source - Cross platform - Realtime sync - Creator friendly

About

penX

Features

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PenX手写笔，结合APP信号调节，您可以在ipad上感受到真实的笔触，更好的解决断触，延迟等现象，实现书写的自然感受，为您提供更流畅灵敏的体验。开机搜索连接蓝牙后，可切换到功能设置界面，实现20多个快捷设置功能（包括电源键开关机，加减音量，播放上下曲，拍照，快速截屏，智能关机）等功能，给您带来更高效的进行记录，学习和使用

Screenshots

PenX4 screens

penX3 screens

Verdict

The call

The clearest difference is in-app purchases: penX at none against PenX's 4. penX also leads on iOS requirement (12.0 vs 14.0). PenX's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PenX sells 4 in-app purchases, starting at $4.99 per month. penX asks for nothing beyond the download.

UpkeepUpdate frequency

PenX ships an update every 2 days, penX every 6 weeks. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 3 level

PenX versus penX: the parameters behind the verdict, then further details
Parameter	PenX	penX
Price	Free	Free
Update frequency	Every 2 days — better	Every 6 weeks
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.0	12.0 — better
Further details — not scored
Size	34 MB	33 MB
Age rating	4+	4+
Developer	志毅陈	Shenzhen Xinyun Zhilian Technology Co., Ltd