# Paperlogix vs Kase₄

The clearest difference is review sentiment: Paperlogix at 58% against Kase₄'s 0%. Paperlogix also leads on price (Free vs $9.99). Kase₄'s advantage is iOS requirement (15.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Paperlogix is free to download; Kase₄ costs $9.99 up front. Paperlogix sells 3 one-off in-app purchases and Kase₄ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Paperlogix ships an update every 3 months, Kase₄ every 2 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Paperlogix | Kase₄ |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (68 ratings)](https://appshunter.io/ios/app/paperlogix-document-scanner/id1254878055/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | **58.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Freemium** | Paid |
| Size | 28 MB | 17 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onloft Software LLC](https://appshunter.io/developer/390063391) | [Kenneth Wong](https://appshunter.io/developer/1275992151) |

## What reviewers say

### Paperlogix

[App page](https://appshunter.io/ios/app/paperlogix-document-scanner/id1254878055)

Capture high-quality scans of documents and receipts with automatic cropping and perspective correction. Organize your files using folders and tags, and leverage powerful automation features for sorting and archiving. Pro features include OCR, cloud uploads, and customizable themes.

**Highlights:** Automatic document edge detection, Skew and perspective correction, Folder and tag organization, Text recognition (OCR), Cloud service integration, Workflow automation, Multi-page scanning

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade from Basic to Pro | $1.99 | one-time |
| Paperlogix Basic Upgrade | $2.99 | one-time |
| Paperlogix Pro Upgrade | $4.99 | one-time |


### Kase₄

[App page](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888)

This app allows you to create and manage your own personal databases on your device. It offers flexibility in designing structures to track anything important, with features like inter-linked data, full-text search, and various field types. Your data remains private and accessible offline.

**Highlights:** Design custom databases, Inter-linked data, Full-text search with NLP, Multiple field types, Markdown support, Passcode and biometric lock, Data visualization (Formatters), OCR for text recognition

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip: Dollar | $1.00 | one-time |
| Tip: Coffee | $2.00 | one-time |
| Tip: Coffee, CA | $4.00 | one-time |
| Tip: Caffè Mocha | $5.00 | one-time |


## Frequently asked questions

### Is Paperlogix free?

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

### Is Kase₄ free?

Kase₄ costs $9.99, and also offers in-app purchases.

### Do Paperlogix or Kase₄ have ads?

Neither Paperlogix nor Kase₄ shows ads.

### Which is updated more often, Paperlogix or Kase₄?

Paperlogix ships an update every 3 months, and Kase₄ every 2 months. Most recently, Paperlogix was updated on October 7, 2026 and Kase₄ on October 3, 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.*