# D vs 나온콜

The clearest difference is update cadence: D at every 3 weeks against 나온콜's every 2 months. D also leads on iOS requirement (7.1 vs 14.0). 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.

D ships an update every 3 weeks, 나온콜 every 2 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | D | 나온콜 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 4 MB | 24 MB |
| Requires iOS | **7.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Douzone Bizon Co.,Ltd.](https://appshunter.io/developer/871672498) | [Naonsoft](https://appshunter.io/developer/438163829) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-cloud-smartkey-for-iphone/id1066084158)

**In-app purchases:** none


### 나온콜

[App page](https://appshunter.io/ios/app/naon-call/id1573668186)

This service integrates with groupware to provide essential phone call features. It offers caller ID, call scheduling, and web-based calling, displaying caller information without saving contacts.

**Highlights:** Caller ID and contact information display, Call scheduling for follow-up calls, Web-based calling and SMS sending, Integration with groupware contacts and organization charts, Biometric and password authentication

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is 나온콜 free?

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

### Do D or 나온콜 have ads?

Neither D nor 나온콜 shows ads.

### Which is updated more often, D or 나온콜?

D ships an update every 3 weeks, and 나온콜 every 2 months. Most recently, D was updated on October 9, 2026 and 나온콜 on October 9, 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.*