# 나크21 vs TRCARE

나크21 and TRCARE are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

나크21 ships an update every 3 months, TRCARE every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 나크21 | TRCARE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 16 MB | 1 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [N.K CO.,Ltd](https://appshunter.io/developer/1495613793) | [Nu Skin Korea](https://appshunter.io/developer/456815709) |

## What reviewers say

### 나크21

[App page](https://appshunter.io/ios/app/21-nak21/id1027691542)

Receive real-time sale and event notifications, enjoy easy login, and invite friends for rewards. Track your deliveries with a single tap and easily write reviews for purchased items.

**Highlights:** Real-time push notifications for sales and events, Simplified login and easy member registration, Friend invitation system with rewards, One-touch delivery status tracking, Convenient auto-generated review prompts

**Features:** macOS Compatibility

**In-app purchases:** none


### TRCARE

[App page](https://appshunter.io/ios/app/trcare/id6465796034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 나크21 free?

나크21 is free to download, with no in-app purchases.

### Is TRCARE free?

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

### Do 나크21 or TRCARE have ads?

Neither 나크21 nor TRCARE shows ads.

### Which is updated more often, 나크21 or TRCARE?

나크21 ships an update every 3 months, and TRCARE every 4 months. Most recently, 나크21 was updated on November 1, 2026 and TRCARE on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*