# U+0505모바일Fax vs SecuSign

The clearest difference is review sentiment: U+0505모바일Fax at 35% against SecuSign's 0%. SecuSign's advantage is update cadence (every 6 weeks vs every 11 months) and iOS requirement (13 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

U+0505모바일Fax ships an update every 11 months, SecuSign every 6 weeks. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | U+0505모바일Fax | SecuSign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/u-plus-0505fax/id1150947831/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **35.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 70 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LG Uplus](https://appshunter.io/developer/372558480) | [SECUVE Co., Ltd.](https://appshunter.io/developer/805466484) |

## What reviewers say

### U+0505모바일Fax

[App page](https://appshunter.io/ios/app/u-plus-0505fax/id1150947831)

Send and receive faxes easily from your smartphone without needing a physical fax machine or multi-function printer. Streamline your workflow by sending faxes using your address book and attached photos.

**Highlights:** Send faxes from smartphone, Receive faxes on smartphone, No physical fax machine needed, Use address book for sending, Attach photos to faxes, Reduce work time

**In-app purchases:** none


### SecuSign

[App page](https://appshunter.io/ios/app/secusign/id1500367268)

This app combines facial recognition with signature verification for secure, multi-modal biometric authentication. It allows for convenient and safe verification using facial and handwritten signature biometrics.

**Highlights:** Multi-modal biometric authentication, Facial recognition, Handwritten signature verification, Secure and convenient authentication, Biometric data protection

**In-app purchases:** none


## Frequently asked questions

### Is U+0505모바일Fax free?

U+0505모바일Fax is free to download, with no in-app purchases.

### Is SecuSign free?

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

### Do U+0505모바일Fax or SecuSign have ads?

Neither U+0505모바일Fax nor SecuSign shows ads.

### Which is updated more often, U+0505모바일Fax or SecuSign?

U+0505모바일Fax ships an update every 11 months, and SecuSign every 6 weeks. Most recently, U+0505모바일Fax was updated on October 6, 2026 and SecuSign on October 21, 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.*