# K vs CrewApproval

The clearest difference is update cadence: K at every 9 days against CrewApproval's every 4 months. CrewApproval's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

K ships an update every 9 days, CrewApproval every 4 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | K | CrewApproval |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free | — |
| Size | 139 MB | 2 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [영림원소프트랩](https://appshunter.io/developer/1677709297) | [DaZone Tech Inc.](https://appshunter.io/developer/1073506541) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-smartmobileerp/id1130920848)

This app provides mobile access to a comprehensive ERP system, allowing users to manage business functions anytime, anywhere. It offers personalized features, optimized mobile interfaces, and seamless integration across devices for a smart work environment.

**Highlights:** Full Ksystem ERP functionality on iOS, Personalized features like leave requests and payroll, User-customizable interface with favorites and notifications, Mobile-optimized barcode scanning and search, Touch-based UI for easy data entry, Integrated work environment across PC, mobile, and web

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

**In-app purchases:** none


### CrewApproval

[App page](https://appshunter.io/ios/app/crewapproval/id1300434778)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is CrewApproval free?

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

### Do K or CrewApproval have ads?

Neither K nor CrewApproval shows ads.

### Which is updated more often, K or CrewApproval?

K ships an update every 9 days, and CrewApproval every 4 months. Most recently, K was updated on September 17, 2026 and CrewApproval on September 18, 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.*