# VNPT SmartCA vs KEYTECH

The clearest difference is iOS requirement: VNPT SmartCA at 13.0 against KEYTECH's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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, KEYTECH fortnightly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | VNPT SmartCA | KEYTECH |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 122 MB | 69 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) | [Bach Tuan Anh](https://appshunter.io/developer/1570579656) |

## 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


### KEYTECH

[App page](https://appshunter.io/ios/app/keytech/id6474772049)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VNPT SmartCA free?

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

### Is KEYTECH free?

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

### Do VNPT SmartCA or KEYTECH have ads?

Neither VNPT SmartCA nor KEYTECH shows ads.

### Which is updated more often, VNPT SmartCA or KEYTECH?

VNPT SmartCA ships an update every 4 weeks, and KEYTECH fortnightly. Most recently, VNPT SmartCA was updated on October 5, 2026 and KEYTECH on October 7, 2026.

---

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