# KnittingConverter vs PDF Splitter & Compressor

The clearest difference is update cadence: PDF Splitter & Compressor at every 5 days against KnittingConverter's every 5 months. PDF Splitter & Compressor also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KnittingConverter sells 2 one-off in-app purchases and PDF Splitter & Compressor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KnittingConverter ships an update every 5 months, PDF Splitter & Compressor every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KnittingConverter | PDF Splitter & Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 59 MB | 35 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Neumann](https://appshunter.io/developer/972665636) | [JEAN CHOE](https://appshunter.io/developer/6774613380) |

## What reviewers say

### KnittingConverter

[App page](https://appshunter.io/ios/app/knittingconverter/id6754216944)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yarn calculator | $0.99 | one-time |
| Pro-Version | $8.99 | one-time |


### PDF Splitter & Compressor

[App page](https://appshunter.io/ios/app/pdf-splitter-and-compressor/id6774623808)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is KnittingConverter free?

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

### Is PDF Splitter & Compressor free?

PDF Splitter & Compressor is free to download, with in-app purchases available.

### Do KnittingConverter or PDF Splitter & Compressor have ads?

Neither KnittingConverter nor PDF Splitter & Compressor shows ads.

### Which is updated more often, KnittingConverter or PDF Splitter & Compressor?

KnittingConverter ships an update every 5 months, and PDF Splitter & Compressor every 5 days. Most recently, KnittingConverter was updated on October 28, 2026 and PDF Splitter & Compressor on October 25, 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.*