# IIJ SmartKey vs TimeKey

The clearest difference is in-app purchases: IIJ SmartKey at none against TimeKey's 2. IIJ SmartKey also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). TimeKey's advantage is update cadence (every 6 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. TimeKey sells 2 in-app purchases, starting at $1.49 per month. IIJ SmartKey asks for nothing beyond the download.

IIJ SmartKey ships an update every 9 months, TimeKey every 6 weeks. The most recent releases landed on October 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | IIJ SmartKey | TimeKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/timekey/id1506129753/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 55 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Internet Initiative Japan, Inc.](https://appshunter.io/developer/444664358) | [Naoki Chiba](https://appshunter.io/developer/1506129752) |

## 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


### TimeKey

[App page](https://appshunter.io/ios/app/timekey/id1506129753)

This app generates secure Time-based One-Time Passwords (TOTP) for two-factor authentication, protecting your online accounts. It offers local data storage, biometric security, and an intuitive interface for easy account management and quick code access. No internet connection is needed for code generation.

**Highlights:** Generate secure TOTP codes, Import accounts via QR code or manual entry, Organize accounts with categories and favorites, Biometric authentication (Face ID/Touch ID), Passcode protection, Dark mode support, Export QR codes for backup

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $1.49 | per month |
| Premium 1 year | $13.49 | per year |


## Frequently asked questions

### Is IIJ SmartKey free?

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

### Is TimeKey free?

TimeKey is free to download, with in-app purchases available.

### Do IIJ SmartKey or TimeKey have ads?

TimeKey shows ads; IIJ SmartKey does not.

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

IIJ SmartKey ships an update every 9 months, and TimeKey every 6 weeks. Most recently, IIJ SmartKey was updated on October 7, 2026 and TimeKey on September 15, 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.*