# Convert vs KinetStudy

The clearest difference is price: Convert at Free against KinetStudy's $0.99. Convert also leads on update cadence (every 10 days vs every 3 weeks). KinetStudy's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Convert is free to download; KinetStudy costs $0.99 up front. Convert sells 3 in-app purchases, starting at $3.99 per month. KinetStudy asks for nothing beyond the download.

Convert ships an update every 10 days, KinetStudy every 3 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Convert | KinetStudy |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 8 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [远 吴](https://appshunter.io/developer/1678040884) | [俊杰 沈](https://appshunter.io/developer/6773175292) |

## 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 |


### KinetStudy

[App page](https://appshunter.io/ios/app/kinetstudy/id6797004663)

**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 KinetStudy free?

KinetStudy costs $0.99, with no in-app purchases.

### Do Convert or KinetStudy have ads?

Convert shows ads; KinetStudy does not.

### Which is updated more often, Convert or KinetStudy?

Convert ships an update every 10 days, and KinetStudy every 3 weeks. Most recently, Convert was updated on September 30, 2026 and KinetStudy on October 7, 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.*