# OKON/UDR vs E

The clearest difference is update cadence: OKON/UDR at every 5 months against E's every 13 months. E's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

OKON/UDR ships an update every 5 months, E every 13 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OKON/UDR | E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.1% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 34 MB | 5 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUNGOLF CO.Ltd.](https://appshunter.io/developer/1279612075) | [JUN HWANG](https://appshunter.io/developer/1522298006) |

## What reviewers say

### OKON/UDR

[App page](https://appshunter.io/ios/app/okonudr/id979809096)

This app provides convenient access to OKONGOLF membership services. Track trophies, view favorite shop details, and manage your profile. Log in easily with QR codes and review past game scorecards.

**Highlights:** Trophy tracking, Favorite shop status, QR/Code login, Scorecard history, Golf swing videos, Course information, Shop search

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-spogolf/id1585794805)

Practice your golf swing with simulated data, swing footage, and scorecards. Capture instant snapshots of your impact moment with a camera sensor.

**Highlights:** Simulation golf practice data, Swing footage analysis, Scorecard tracking, Impact moment snapshot camera, Real-time swing visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is OKON/UDR free?

OKON/UDR is free to download, with no in-app purchases.

### Is E free?

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

### Do OKON/UDR or E have ads?

Neither OKON/UDR nor E shows ads.

### Which is updated more often, OKON/UDR or E?

OKON/UDR ships an update every 5 months, and E every 13 months. Most recently, OKON/UDR was updated on November 1, 2026 and E on November 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.*