# CTS 라디오조이 vs 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학)

The clearest difference is update cadence: CTS 라디오조이 at every 6 weeks against 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학)'s every 20 months. 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학)'s advantage is iOS requirement (9.0 vs 12.0). 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.

CTS 라디오조이 ships an update every 6 weeks, 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) every 20 months. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CTS 라디오조이 | 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/cts/id508255651/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 20 months |
| Monetization | Free | — |
| Size | 41 MB | 32 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CTS Network](https://appshunter.io/developer/505392718) | [Zroad Korea](https://appshunter.io/developer/823392037) |

## What reviewers say

### CTS 라디오조이

[App page](https://appshunter.io/ios/app/cts/id508255651)

Listen to a wide variety of Christian radio programs, sermons, and praise music on demand. This app offers 24-hour radio channels and curated playlists for different moods and situations, all for free.

**Highlights:** Sermon podcasts, On-demand radio programs (talk, praise, sermons), 24-hour radio channels, Curated 60-minute praise music playlists, Diverse audio content from various ministries

**Features:** macOS Compatibility

**In-app purchases:** none


### 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학)

[App page](https://appshunter.io/ios/app/ctstv/id1220764307)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CTS 라디오조이 free?

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

### Is 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) free?

두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) is free to download, with no in-app purchases.

### Do CTS 라디오조이 or 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) have ads?

Neither CTS 라디오조이 nor 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) shows ads.

### Which is updated more often, CTS 라디오조이 or 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학)?

CTS 라디오조이 ships an update every 6 weeks, and 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) every 20 months. Most recently, CTS 라디오조이 was updated on September 14, 2026 and 두란노성경교실 (CTS기독교TV, 성경공부, 성경대학) on September 23, 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.*