# F4 Service vs KieronScan

The clearest difference is in-app purchases: F4 Service at none against KieronScan's 2. F4 Service also leads on iOS requirement (13.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KieronScan sells 2 one-off in-app purchases. F4 Service asks for nothing beyond the download.

F4 Service ships an update every 6 weeks, KieronScan monthly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | F4 Service | KieronScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kieronscan/id6761315687/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free |
| Size | 28 MB | 22 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Essa Dakhil Allah Al Marwani Trading Co. LLC(F4 Service)](https://appshunter.io/developer/1747923460) | [Kieron Johnson](https://appshunter.io/developer/1817082074) |

## What reviewers say

### F4 Service

[App page](https://appshunter.io/ios/app/f4-service/id6503069447)

**Features:** macOS Compatibility

**In-app purchases:** none


### KieronScan

[App page](https://appshunter.io/ios/app/kieronscan/id6761315687)

This AI-powered tool analyzes legal documents like contracts and policies in seconds. It identifies risks, key terms, and provides professional summaries in plain English, saving you time and legal fees. It offers offline analysis and secure processing.

**Highlights:** Instant AI legal analysis, Document scanning with OCR, Workflow modes for various legal purposes, Risk identification and flagging, Professional summaries in plain English, Secure and private document processing, Offline analysis capability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro User (monthly) | $3.99 | one-time |
| Pro User (yearly) | $44.99 | one-time |


## Frequently asked questions

### Is F4 Service free?

F4 Service is free to download, with no in-app purchases.

### Is KieronScan free?

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

### Do F4 Service or KieronScan have ads?

Neither F4 Service nor KieronScan shows ads.

### Which is updated more often, F4 Service or KieronScan?

F4 Service ships an update every 6 weeks, and KieronScan monthly. Most recently, F4 Service was updated on October 27, 2026 and KieronScan 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.*