# Cplus Sec vs UDBK

The clearest difference is update cadence: UDBK at every 2 weeks against Cplus Sec's every 11 months. 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.

Cplus Sec ships an update every 11 months, UDBK every 2 weeks. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Cplus Sec | UDBK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Size | 30 MB | 100 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CPLUS SECURITIES LIMITED](https://appshunter.io/developer/1567141086) | [US Development Bank, Inc.](https://appshunter.io/developer/1829900709) |

## What reviewers say

### Cplus Sec

[App page](https://appshunter.io/ios/app/cplus-sec/id1567141054)

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

**In-app purchases:** none


### UDBK

[App page](https://appshunter.io/ios/app/udbk/id6749298389)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cplus Sec free?

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

### Is UDBK free?

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

### Do Cplus Sec or UDBK have ads?

Neither Cplus Sec nor UDBK shows ads.

### Which is updated more often, Cplus Sec or UDBK?

Cplus Sec ships an update every 11 months, and UDBK every 2 weeks. Most recently, Cplus Sec was updated on October 12, 2026 and UDBK on October 1, 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.*