# Offhand 随手写 vs 公交地铁通行

The clearest difference is in-app purchases: 公交地铁通行 at none against Offhand 随手写's 1. 公交地铁通行 also leads on update cadence (every 4 days vs every 9 days). Offhand 随手写's advantage is ads (none vs shown) and device support (4 vs 1). On price there is nothing between them.

Both are free to download. Offhand 随手写 sells 1 in-app purchase, starting at $19.99 per year. 公交地铁通行 asks for nothing beyond the download.

Offhand 随手写 ships an update every 9 days, 公交地铁通行 every 4 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Offhand 随手写 | 公交地铁通行 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 30 MB | 18 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [浩 赵](https://appshunter.io/developer/6790351177) | [翠银 范](https://appshunter.io/developer/6801790483) |

## What reviewers say

### Offhand 随手写

[App page](https://appshunter.io/ios/app/offhand/id6790468495)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offhand Membership | $19.99 | per year |


### 公交地铁通行

[App page](https://appshunter.io/ios/app/id6802241921)

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

**In-app purchases:** none


## Frequently asked questions

### Is Offhand 随手写 free?

Offhand 随手写 is free to download, with in-app purchases available.

### Is 公交地铁通行 free?

公交地铁通行 is free to download, with no in-app purchases.

### Do Offhand 随手写 or 公交地铁通行 have ads?

公交地铁通行 shows ads; Offhand 随手写 does not.

### Which is updated more often, Offhand 随手写 or 公交地铁通行?

Offhand 随手写 ships an update every 9 days, and 公交地铁通行 every 4 days. Most recently, Offhand 随手写 was updated on October 24, 2026 and 公交地铁通行 on October 29, 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.*