# Convert vs Hydra Pal

The clearest difference is in-app purchases: Hydra Pal at none against Convert's 3. Hydra Pal also leads on ads (none vs shown) and update cadence (daily vs every 10 days). On price and device support there is nothing between them.

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

Convert ships an update every 10 days, Hydra Pal daily. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Convert | Hydra Pal |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 23 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [远 吴](https://appshunter.io/developer/1678040884) | [海慧 周](https://appshunter.io/developer/6785343042) |

## 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 |


### Hydra Pal

[App page](https://appshunter.io/ios/app/hydra-pal/id6786603857)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Convert free?

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

### Is Hydra Pal free?

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

### Do Convert or Hydra Pal have ads?

Convert shows ads; Hydra Pal does not.

### Which is updated more often, Convert or Hydra Pal?

Convert ships an update every 10 days, and Hydra Pal daily. Most recently, Convert was updated on October 13, 2026 and Hydra Pal on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*