# IIJ SmartKey vs VSTK

The clearest difference is update cadence: VSTK at every 5 days against IIJ SmartKey's every 9 months. IIJ SmartKey's advantage is iOS requirement (12.0 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.

IIJ SmartKey ships an update every 9 months, VSTK every 5 days. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | IIJ SmartKey | VSTK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vstk/id6753781763/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 19 MB | 143 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Internet Initiative Japan, Inc.](https://appshunter.io/developer/444664358) | [Anmeng Technology Information Limited](https://appshunter.io/developer/1845011576) |

## What reviewers say

### IIJ SmartKey

[App page](https://appshunter.io/ios/app/iij-smartkey/id974476420)

This app generates one-time passwords for two-step verification, enhancing online security. It supports TOTP standards and offers slide authentication for convenient logins. Additional features include app locking and cross-device data backup.

**Highlights:** Generates TOTP one-time passwords, Supports slide authentication, App locking with Touch ID/passcode, Cross-device data backup, Compatible with Google Authenticator

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

**In-app purchases:** none


### VSTK

[App page](https://appshunter.io/ios/app/vstk/id6753781763)

This app offers an intelligent ecosystem for social media entrepreneurs. It integrates brand management, AI tools, and resources to accelerate success, featuring AI trend aggregation, expert courses, and AI avatar creation.

**Highlights:** AI trend aggregation, Expert-led entrepreneurship courses, AI Avatar creation, Semantic search and Q&A, Digital business cards and earnings dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is IIJ SmartKey free?

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

### Is VSTK free?

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

### Do IIJ SmartKey or VSTK have ads?

Neither IIJ SmartKey nor VSTK shows ads.

### Which is updated more often, IIJ SmartKey or VSTK?

IIJ SmartKey ships an update every 9 months, and VSTK every 5 days. Most recently, IIJ SmartKey was updated on October 15, 2026 and VSTK on October 22, 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.*