# 觅签 vs PDFW·电子签名

The clearest difference is in-app purchases: 觅签 at none against PDFW·电子签名's 1. 觅签 also leads on iOS requirement (13 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDFW·电子签名 sells 1 one-off in-app purchase. 觅签 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 觅签 | PDFW·电子签名 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 32 MB | 3 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [中科康信(常州)科技有限公司](https://appshunter.io/developer/1542311571) | [上海寻程网络科技有限公司](https://appshunter.io/developer/1500716476) |

## What reviewers say

### 觅签

[App page](https://appshunter.io/ios/app/id1542311569)

**Features:** Vision Pro support

**In-app purchases:** none


### PDFW·电子签名

[App page](https://appshunter.io/ios/app/pdfw/id6756837676)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁完整功能 | $29.99 | one-time |


## Frequently asked questions

### Is 觅签 free?

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

### Is PDFW·电子签名 free?

PDFW·电子签名 is free to download, with in-app purchases available.

### Do 觅签 or PDFW·电子签名 have ads?

Neither 觅签 nor PDFW·电子签名 shows ads.

### Which is updated more often, 觅签 or PDFW·电子签名?

觅签 ships an update every 3 weeks, and PDFW·电子签名 every 3 weeks. Most recently, 觅签 was updated on November 3, 2026 and PDFW·电子签名 on October 30, 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.*