# Flash Cleaner vs Authenticator App

The clearest difference is rating: Flash Cleaner at 5.0 against Authenticator App's 4.3. Flash Cleaner also leads on in-app purchases (none vs 4) and update cadence (every 3 days vs every 2 weeks). Authenticator App's advantage is ratings volume (9 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 4 in-app purchases, starting at $4.99 per 7 days. Flash Cleaner asks for nothing beyond the download.

Flash Cleaner holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Authenticator App has 9 ratings behind it against 1, so its average is the more settled of the two.

Flash Cleaner ships an update every 3 days, Authenticator App every 2 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Flash Cleaner | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flash-cleaner-storage-manager/id6746331027/reviews)** | [4.3 (9 ratings)](https://appshunter.io/ios/app/authenticator-app-otp-2fa/id6747989010/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 66 MB | 32 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Appwords](https://appshunter.io/developer/1766020257) | [Specter Apps Inc](https://appshunter.io/developer/6793483364) |

## What reviewers say

### Flash Cleaner

[App page](https://appshunter.io/ios/app/flash-cleaner-storage-manager/id6746331027)

Easily manage your phone's media files. Identify and delete duplicate or similar photos and videos to free up storage space. Compress media and organize screenshots for a smoother, more secure device.

**Highlights:** Identify and delete duplicate photos/videos, Compress photos and videos, Screenshot management, Privacy album with encryption, One-tap media optimization, Quick scan for similar media

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-otp-2fa/id6747989010)

Secure your online accounts with two-factor authentication and manage your passwords in one encrypted app. Generate strong passwords, organize credentials, and sync across devices with optional iCloud backup. Offers offline functionality and biometric access for enhanced privacy.

**Highlights:** Two-factor authentication token generation, Secure password management, QR code scanning for 2FA setup, Military-grade encryption, Offline functionality, Face ID/Passcode access, iCloud sync

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $4.99 | per 7 days |
| Premium | $19.99 | per year |
| Premium | $39.99 | per year |


## Frequently asked questions

### Is Flash Cleaner free?

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

### Is Authenticator App free?

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

### Which has better reviews, Flash Cleaner or Authenticator App?

Flash Cleaner is rated higher. Flash Cleaner averages 5.0 out of 5 from 1 ratings, while Authenticator App averages 4.3 from 9 ratings.

### Do Flash Cleaner or Authenticator App have ads?

Both Flash Cleaner and Authenticator App show ads.

### Which is updated more often, Flash Cleaner or Authenticator App?

Flash Cleaner ships an update every 3 days, and Authenticator App every 2 weeks. Most recently, Flash Cleaner was updated on October 3, 2026 and Authenticator App on October 1, 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.*