# IIJ SmartKey vs LIQUID eKYC

The clearest difference is update cadence: LIQUID eKYC at every 5 weeks against IIJ SmartKey's every 9 months. IIJ SmartKey's advantage is iOS requirement (12.0 vs 14.0). On price, review sentiment, 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.

IIJ SmartKey ships an update every 9 months, LIQUID eKYC every 5 weeks. The most recent releases landed on October 15, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IIJ SmartKey | LIQUID eKYC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/liquid-ekyc/id6450022040/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 10.0% of reviews | **13.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 61 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Internet Initiative Japan, Inc.](https://appshunter.io/developer/444664358) | [LIQUID, INC.](https://appshunter.io/developer/1597699642) |

## 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


### LIQUID eKYC

[App page](https://appshunter.io/ios/app/liquid-ekyc/id6450022040)

This app facilitates secure online procedures by leveraging services like the Public Personal Authentication Service. It handles identity verification on your behalf, providing your personal information to requesting companies for seamless online transactions. The application is designed to be used through company websites, not as a standalone tool.

**Highlights:** Secure online procedures, Public Personal Authentication Service integration, My Number Card utilization, Identity verification services, Personal information provision to companies

**In-app purchases:** none


## Frequently asked questions

### Is IIJ SmartKey free?

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

### Is LIQUID eKYC free?

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

### Do IIJ SmartKey or LIQUID eKYC have ads?

Neither IIJ SmartKey nor LIQUID eKYC shows ads.

### Which is updated more often, IIJ SmartKey or LIQUID eKYC?

IIJ SmartKey ships an update every 9 months, and LIQUID eKYC every 5 weeks. Most recently, IIJ SmartKey was updated on October 15, 2026 and LIQUID eKYC on October 27, 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.*