# 图片格式转换 vs iPDF Converter

The clearest difference is ads: iPDF Converter at none against 图片格式转换's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 图片格式转换 sells 3 in-app purchases, starting at $3.99 per month and iPDF Converter sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

图片格式转换 ships an update weekly, iPDF Converter every 2 weeks. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 图片格式转换 | iPDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 61 MB | 64 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [子豪 张](https://appshunter.io/developer/1625809217) | [Rashmi Varsani](https://appshunter.io/developer/1749930901) |

## What reviewers say

### 图片格式转换

[App page](https://appshunter.io/ios/app/id6446273369)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month Membership | $3.99 | per month |
| Season Membership | $9.99 | per 3 months |
| Year Membership | $19.99 | per year |


### iPDF Converter

[App page](https://appshunter.io/ios/app/ipdf-converter-pdf-scanner/id6754192721)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $6.99 | per 7 days |
| Week | $6.99 | per 7 days |
| Lifetime 4999 | $49.99 | one-time |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is 图片格式转换 free?

图片格式转换 is free to download, with in-app purchases available.

### Is iPDF Converter free?

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

### Do 图片格式转换 or iPDF Converter have ads?

图片格式转换 shows ads; iPDF Converter does not.

### Which is updated more often, 图片格式转换 or iPDF Converter?

图片格式转换 ships an update weekly, and iPDF Converter every 2 weeks. Most recently, 图片格式转换 was updated on September 14, 2026 and iPDF Converter on September 17, 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.*