# E9sign vs KB Star Fx

The clearest difference is update cadence: KB Star Fx at every 5 weeks against E9sign's every 4 months. KB Star Fx also leads on iOS requirement (13.0 vs 15.0). 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.

E9sign ships an update every 4 months, KB Star Fx every 5 weeks. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | E9sign | KB Star Fx |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 38.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 18 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [E9PAY](https://appshunter.io/developer/1321773015) | [Kookmin Bank Co., Ltd.](https://appshunter.io/developer/373742141) |

## What reviewers say

### E9sign

[App page](https://appshunter.io/ios/app/e9sign/id6480026164)

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

**In-app purchases:** none


### KB Star Fx

[App page](https://appshunter.io/ios/app/kb-star-fx/id6480251323)

This platform allows for quick and easy foreign exchange trading, similar to stocks. It offers real-time exchange rates, various transaction types, and expert market insights. Trade even when branches are closed.

**Highlights:** Real-time exchange rates, Various transaction types (spot, futures, swaps), Extended trading hours (until 6 AM), Expert and AI market predictions, Real-time charts and technical analysis, Price change notifications

**In-app purchases:** none


## Frequently asked questions

### Is E9sign free?

E9sign is free to download, with no in-app purchases.

### Is KB Star Fx free?

KB Star Fx is free to download, with no in-app purchases.

### Do E9sign or KB Star Fx have ads?

Neither E9sign nor KB Star Fx shows ads.

### Which is updated more often, E9sign or KB Star Fx?

E9sign ships an update every 4 months, and KB Star Fx every 5 weeks. Most recently, E9sign was updated on October 1, 2026 and KB Star Fx on October 15, 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.*