# Image Compressor ° CompressKit vs Photo to pdf

The clearest difference is update cadence: Photo to pdf at every 3 days against Image Compressor ° CompressKit's fortnightly. Image Compressor ° CompressKit's advantage is iOS requirement (16.4 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Image Compressor ° CompressKit sells 2 in-app purchases, starting at $2.99 per 7 days and Photo to pdf sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Image Compressor ° CompressKit ships an update fortnightly, Photo to pdf every 3 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Image Compressor ° CompressKit | Photo to pdf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/image-compressor-compresskit/id6748012527/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 6 MB | 27 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Francesco Paciello](https://appshunter.io/developer/1551514059) | [Marcin Jedrzejak](https://appshunter.io/developer/1742465555) |

## What reviewers say

### Image Compressor ° CompressKit

[App page](https://appshunter.io/ios/app/image-compressor-compresskit/id6748012527)

Effortlessly reduce the size of your photos without sacrificing visual quality. This tool offers multiple compression levels and batch processing to quickly free up device storage and optimize images for sharing or cloud backup.

**Highlights:** Multiple compression levels, Batch photo processing, Real-time preview, Space savings tracker, Automatic saving to Photos library, Intuitive iOS interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $2.99 | per 7 days |
| Unlimited access | $19.99 | per year |


### Photo to pdf

[App page](https://appshunter.io/ios/app/photo-to-pdf-shotdocu/id6749449366)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Unlimited access | $29.99 | one-time |


## Frequently asked questions

### Is Image Compressor ° CompressKit free?

Image Compressor ° CompressKit is free to download, with in-app purchases available.

### Is Photo to pdf free?

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

### Do Image Compressor ° CompressKit or Photo to pdf have ads?

Neither Image Compressor ° CompressKit nor Photo to pdf shows ads.

### Which is updated more often, Image Compressor ° CompressKit or Photo to pdf?

Image Compressor ° CompressKit ships an update fortnightly, and Photo to pdf every 3 days. Most recently, Image Compressor ° CompressKit was updated on October 30, 2026 and Photo to pdf on October 28, 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.*