# 软航PDF阅读器 vs 秒拍证件照AI

The clearest difference is in-app purchases: 软航PDF阅读器 at none against 秒拍证件照AI's 2. 软航PDF阅读器 also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 秒拍证件照AI sells 2 one-off in-app purchases. 软航PDF阅读器 asks for nothing beyond the download.

软航PDF阅读器 ships an update every 2 days, 秒拍证件照AI every 2 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 软航PDF阅读器 | 秒拍证件照AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 10 MB | 29 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chongqing Ruanhang Technology Co., Ltd.](https://appshunter.io/developer/1538523893) | [Sichuan future Three Kingdoms Enterprise Management Consulting Co., Ltd](https://appshunter.io/developer/1584626609) |

## What reviewers say

### 软航PDF阅读器

[App page](https://appshunter.io/ios/app/pdf/id1540740963)

**Features:** macOS Compatibility

**In-app purchases:** none


### 秒拍证件照AI

[App page](https://appshunter.io/ios/app/ai/id6751316781)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 证件照生成工具 | $0.99 | one-time |
| 证件照打印工具 | $1.99 | one-time |


## Frequently asked questions

### Is 软航PDF阅读器 free?

软航PDF阅读器 is free to download, with no in-app purchases.

### Is 秒拍证件照AI free?

秒拍证件照AI is free to download, with in-app purchases available.

### Do 软航PDF阅读器 or 秒拍证件照AI have ads?

Neither 软航PDF阅读器 nor 秒拍证件照AI shows ads.

### Which is updated more often, 软航PDF阅读器 or 秒拍证件照AI?

软航PDF阅读器 ships an update every 2 days, and 秒拍证件照AI every 2 months. Most recently, 软航PDF阅读器 was updated on September 19, 2026 and 秒拍证件照AI on September 8, 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.*