# Convert vs 口语急救箱

The clearest difference is in-app purchases: 口语急救箱 at none against Convert's 3. 口语急救箱 also leads on ads (none vs shown). Convert's advantage is update cadence (every 10 days vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Convert sells 3 in-app purchases, starting at $3.99 per month. 口语急救箱 asks for nothing beyond the download.

Convert ships an update every 10 days, 口语急救箱 every 8 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Convert | 口语急救箱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/convert-batch-format-convert/id6449841256/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [远 吴](https://appshunter.io/developer/1678040884) | [宇鹏 蓝](https://appshunter.io/developer/1671067246) |

## What reviewers say

### Convert

[App page](https://appshunter.io/ios/app/convert-batch-format-convert/id6449841256)

Easily convert, compress, and enlarge images in batches. Supports a wide range of popular formats for all your image editing needs. Offers lossless magnification to enhance picture clarity.

**Highlights:** Batch image format conversion, Support for most image formats, Batch image compression, Formulate compression quality, Batch lossless image magnification, Enhance picture clarity

**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 | $29.99 | per year |


### 口语急救箱

[App page](https://appshunter.io/ios/app/id6743833900)

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

**In-app purchases:** none


## Frequently asked questions

### Is Convert free?

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

### Is 口语急救箱 free?

口语急救箱 is free to download, with no in-app purchases.

### Do Convert or 口语急救箱 have ads?

Convert shows ads; 口语急救箱 does not.

### Which is updated more often, Convert or 口语急救箱?

Convert ships an update every 10 days, and 口语急救箱 every 8 months. Most recently, Convert was updated on October 13, 2026 and 口语急救箱 on October 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.*