# 1Office vs VNPT SmartCA

The clearest difference is rating: 1Office at 2.7 against VNPT SmartCA's 2.1. VNPT SmartCA's advantage is review sentiment (45% vs 33%) and iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

1Office holds the better App Store score, 2.7 against 2.1. Both are backed by a comparable volume of ratings — 17 and 20 respectively. Written reviews complicate that: 33% of 1Office's written reviews are positive against 45% of VNPT SmartCA's, so the app with the better star average is not the one people write more warmly about.

1Office ships an update monthly, VNPT SmartCA every 4 weeks. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 1Office | VNPT SmartCA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (17 ratings)](https://appshunter.io/ios/app/1office/id1272801903/reviews)** | [2.1 (20 ratings)](https://appshunter.io/ios/app/vnpt-smartca/id1540522462/reviews) |
| Number of ratings | 17 | **20** |
| Positive reviews | 33.3% of reviews | **44.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 40 MB | 122 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [1OFFICE JOINT STOCK COMPANY](https://appshunter.io/developer/1216593429) | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) |

## What reviewers say

### 1Office

[App page](https://appshunter.io/ios/app/1office/id1272801903)

This comprehensive business management solution helps over 6,000 companies and 500,000 employees streamline operations. It offers integrated tools for project, task, customer, HR, payroll, and financial management, all built on secure cloud technology.

**Highlights:** Project and task management, Customer relationship management, Human resource management, Payroll and insurance processing, Internal communication tools, Digital document signing, Cloud-based deployment

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 1Office free?

1Office is free to download, with no in-app purchases.

### Is VNPT SmartCA free?

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

### Which has better reviews, 1Office or VNPT SmartCA?

1Office is rated higher. 1Office averages 2.7 out of 5 from 17 ratings, while VNPT SmartCA averages 2.1 from 20 ratings.

### Do 1Office or VNPT SmartCA have ads?

Neither 1Office nor VNPT SmartCA shows ads.

### Which is updated more often, 1Office or VNPT SmartCA?

1Office ships an update monthly, and VNPT SmartCA every 4 weeks. Most recently, 1Office was updated on October 20, 2026 and VNPT SmartCA on October 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.*