IIJ SmartKey vs Spendia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IIJ SmartKey
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.
- Generates TOTP one-time passwords
- Supports slide authentication
- App locking with Touch ID/passcode
- Cross-device data backup
- Compatible with Google Authenticator
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Only enterprise user needs to register your device. You can skip registering your device, if you don't need it. The IIJ SmartKey app produces one-time passwords that conform to TOTP (RFC 6238) standards and can be used in the 2-step verification processes of a variety of online services supporting TOTP. Strengthen your online service security by linking this app, installed to your smartphone device, with your ID/password verification processes. Slide authentication can be used (ver 2.0). When logging in to a service that supports slide authentication, you will receive a push notification on your smartphone. Then you can pull the service icon for 2-step verification. For details, please visit http://www.iij.ad.jp/biz/smartkey-m/ (Written in Japanese). * To use slide authentication, you must register your device. ■ Special Features * Protects against unauthorized access by allowing the user to lock the app using a Touch ID or passcode. * Supports device changes and data backups by handing over settings between devices. * Compatible with the Google Authenticator (TOTP authentication). * Supports slide authentication. * Easy to see and read, simple and refined design. ■ Confirmed Supported Services (TOTP authentications) * Amazon Web Services * Dropbox * Evernote * Facebook * GitHub * Google Accounts * Google Apps for Work * IIJ Omnibus * IIJ Secure MX Service * Microsoft Accounts * Slack * WordPress.com ■ Confirmed Supported Services (Slide authentications) * Additional details on available services is expected soon. ■■ Please make sure to read the information below before using the app. * When switching devices, please check the app help page (https://www1.auth.iij.jp/smartkey/en/help_v2.html) before transferring service settings from your old device to the new one. * Please ensure that you confirm service restoration procedures for the various online services you utilize in advance to protect yourself against cases in which you are unable to complete the 2-step verification process due to device loss or accidental deletion of service settings. * When backing up this app to iTunes, it is necessary to encrypt the backup files. This app does not support backups to the iCloud service. ■User Agreement All users of this app must consent to the User Agreement found below before using the app. https://www1.auth.iij.jp/smartkey/en/agreement_v2.html ----- Mentioned company names and service names are the trademarks or registered trademarks of their respective companies.
Spendia
This cloud-based service streamlines expense management for businesses. It handles pre-trip approvals, expense tracking, travel arrangements, payment processing, and claim procedures, integrating with accounting systems for enhanced efficiency and transparency.
- Pre-trip approvals
- Expense tracking
- Travel arrangements
- Payment processing
- Claim procedures
- Accounting system integration
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Spendia is a cloud-based expense management service designed to enhance usability, efficiency, and transparency across operational and managerial departments. It encompasses a wide range of essential functions for expense management, including pre-trip approvals, expense tracking, domestic and international travel arrangements, payment processing, claim procedures, and seamless integration with accounting systems. Our expertise and cutting-edge technology facilitate seamless integration with diverse systems, including accounting platforms and organizational personnel databases.
Screenshots
Verdict
The clearest difference is review sentiment: Spendia at 40% against IIJ SmartKey's 10%. Spendia also leads on update cadence (every 2 months vs every 9 months). IIJ SmartKey's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, Spendia every 2 months. The most recent releases landed on August 17, 2026 and September 24, 2026 respectively.
| Parameter | IIJ SmartKey | Spendia |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 10.0% of reviews | 40.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Internet Initiative Japan, Inc. | TISI Incorporated |
Customer experience
IIJ SmartKey
Spendia
In-app purchases
IIJ SmartKey
No in-app purchases
Spendia
No in-app purchases









