# Checkware 4 vs JSON & CSV Converter

The clearest difference is in-app purchases: Checkware 4 at none against JSON & CSV Converter's 2. JSON & CSV Converter's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JSON & CSV Converter sells 2 in-app purchases, starting at $2.99 per 7 days. Checkware 4 asks for nothing beyond the download.

Checkware 4 ships an update every 6 weeks, JSON & CSV Converter every 2 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Checkware 4 | JSON & CSV Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 19 MB | 31 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [New Solutions GmbH](https://appshunter.io/developer/1126273236) | [AlicSystems](https://appshunter.io/developer/1793437899) |

## What reviewers say

### Checkware 4

[App page](https://appshunter.io/ios/app/checkware-4/id1286629728)

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON & CSV Converter

[App page](https://appshunter.io/ios/app/json-and-csv-converter/id6756044431)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Checkware 4 free?

Checkware 4 is free to download, with no in-app purchases.

### Is JSON & CSV Converter free?

JSON & CSV Converter is free to download, with in-app purchases available.

### Do Checkware 4 or JSON & CSV Converter have ads?

Neither Checkware 4 nor JSON & CSV Converter shows ads.

### Which is updated more often, Checkware 4 or JSON & CSV Converter?

Checkware 4 ships an update every 6 weeks, and JSON & CSV Converter every 2 days. Most recently, Checkware 4 was updated on October 16, 2026 and JSON & CSV Converter on October 9, 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.*