# なおすけ vs Authenticator for Amazon

The clearest difference is in-app purchases: なおすけ at none against Authenticator for Amazon's 5. なおすけ also leads on iOS requirement (8.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Authenticator for Amazon sells 5 in-app purchases, starting at $4.99 per 7 days. なおすけ asks for nothing beyond the download.

なおすけ ships an update fortnightly, Authenticator for Amazon every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | なおすけ | Authenticator for Amazon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (11 ratings)](https://appshunter.io/ios/app/authenticator-for-amazon/id6753742529/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 108 MB |
| Requires iOS | **8.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社エルテック](https://appshunter.io/developer/1388199967) | [Grand Energy LLC](https://appshunter.io/developer/1844804348) |

## What reviewers say

### なおすけ

[App page](https://appshunter.io/ios/app/id1388199968)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator for Amazon

[App page](https://appshunter.io/ios/app/authenticator-for-amazon/id6753742529)

Secure your online accounts with reliable two-factor authentication. This app generates time-based verification codes for safer sign-ins and stronger account protection across various platforms. Setup is quick via QR code scanning or manual entry, with encrypted local storage for privacy.

**Highlights:** Two-factor authentication (2FA), Time-based verification codes, QR code scanner, Encrypted local storage, Backup and recovery, User-friendly interface

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is なおすけ free?

なおすけ is free to download, with no in-app purchases.

### Is Authenticator for Amazon free?

Authenticator for Amazon is free to download, with in-app purchases available.

### Do なおすけ or Authenticator for Amazon have ads?

Neither なおすけ nor Authenticator for Amazon shows ads.

### Which is updated more often, なおすけ or Authenticator for Amazon?

なおすけ ships an update fortnightly, and Authenticator for Amazon every 2 weeks. Most recently, なおすけ was updated on October 19, 2026 and Authenticator for Amazon on October 24, 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.*