# 赛默手写板 vs PlanPro

The clearest difference is in-app purchases: 赛默手写板 at none against PlanPro's 1. 赛默手写板 also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PlanPro sells 1 one-off in-app purchase. 赛默手写板 asks for nothing beyond the download.

赛默手写板 ships an update every 3 months, PlanPro every 2 months. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 赛默手写板 | PlanPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/planpro/id6449917562/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 42 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Smartda Electronic Technology Co Ltd.](https://appshunter.io/developer/1540049336) | [迎祥 范](https://appshunter.io/developer/1536256199) |

## What reviewers say

### 赛默手写板

[App page](https://appshunter.io/ios/app/id1621239745)

**Features:** macOS Compatibility

**In-app purchases:** none


### PlanPro

[App page](https://appshunter.io/ios/app/planpro/id6449917562)

This utility app helps you manage your time and remember important dates with clear countdowns and custom reminders. Track birthdays, anniversaries, holidays, exams, and personal goals to stay focused and make every moment count. Features include customizable widgets for your home and lock screens.

**Highlights:** Countdown timers for important dates, Customizable reminders, Desktop and lock screen widgets, Support for lunar and Gregorian calendars, Customizable backgrounds and widget styles, iCloud data backup

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlanPro-Advanced | $1.99 | one-time |


## Frequently asked questions

### Is 赛默手写板 free?

赛默手写板 is free to download, with no in-app purchases.

### Is PlanPro free?

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

### Do 赛默手写板 or PlanPro have ads?

Neither 赛默手写板 nor PlanPro shows ads.

### Which is updated more often, 赛默手写板 or PlanPro?

赛默手写板 ships an update every 3 months, and PlanPro every 2 months. Most recently, 赛默手写板 was updated on October 7, 2026 and PlanPro on October 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.*