# VNPT SmartCA vs CSKH TTN

VNPT SmartCA and CSKH TTN 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.

VNPT SmartCA ships an update every 4 weeks, CSKH TTN every 6 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | VNPT SmartCA | CSKH TTN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (20 ratings)](https://appshunter.io/ios/app/vnpt-smartca/id1540522462/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 44.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 122 MB | 31 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) | [vecto](https://appshunter.io/developer/1783239440) |

## What reviewers say

### VNPT SmartCA

[App page](https://appshunter.io/ios/app/vnpt-smartca/id1540522462)

This app provides a secure and efficient remote digital signing solution, allowing users to manage and execute digital signatures directly from their mobile devices. It offers features like online account registration, unlimited signing capabilities, and transaction tracking for a comprehensive digital signing experience.

**Highlights:** Online account registration with eKYC, Unlimited digital signing, Manage multiple certificates on one device, Online certificate registration and renewal, Sign, receive, and share files, Track digital signing transactions

**In-app purchases:** none


### CSKH TTN

[App page](https://appshunter.io/ios/app/cskh-ttn/id6744088133)

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

**In-app purchases:** none


## Frequently asked questions

### Is VNPT SmartCA free?

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

### Is CSKH TTN free?

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

### Do VNPT SmartCA or CSKH TTN have ads?

Neither VNPT SmartCA nor CSKH TTN shows ads.

### Which is updated more often, VNPT SmartCA or CSKH TTN?

VNPT SmartCA ships an update every 4 weeks, and CSKH TTN every 6 weeks. Most recently, VNPT SmartCA was updated on October 28, 2026 and CSKH TTN on October 28, 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.*