# NGAO Authenticator vs Storage Cleaner

The clearest difference is in-app purchases: NGAO Authenticator at none against Storage Cleaner's 10. NGAO Authenticator also leads on iOS requirement (12.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Storage Cleaner sells 7 in-app purchases, starting at $7.99 per 7 days. NGAO Authenticator asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | NGAO Authenticator | Storage Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (126 ratings)](https://appshunter.io/ios/app/storage-cleaner-clean-mate/id6755171503/reviews)** |
| Number of ratings | — | **126** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 42 MB |
| Requires iOS | **12.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TORQUE TECH LIMITED(Digital Tz)](https://appshunter.io/developer/1605943770) | [BOZAN MOBILE US LIMITED](https://appshunter.io/developer/1809734401) |

## What reviewers say

### NGAO Authenticator

[App page](https://appshunter.io/ios/app/ngao-authenticator/id6736656274)

**Features:** macOS Compatibility

**In-app purchases:** none


### Storage Cleaner

[App page](https://appshunter.io/ios/app/storage-cleaner-clean-mate/id6755171503)

This app uses AI to scan and organize your phone's storage. It identifies duplicate and similar photos, compresses videos, and helps manage your email inbox by sorting messages and unsubscribing from newsletters.

**Highlights:** AI duplicate and similar photo detection, Photo grouping by person, Email organization and newsletter unsubscribing, Video compression, Unified storage management interface

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 1-Week Access | $7.99 | per 7 days |
| Plus 1-Week Access | $8.99 | per 7 days |
| Plus 1-Week Access | $9.99 | per 7 days |
| Plus 1-Week Access | $12.99 | per 7 days |
| Plus 1-Year Access | $34.99 | per year |
| Plus 1-Year Access | $49.99 | per year |
| Plus 1-Year Access | $59.99 | per year |


## Frequently asked questions

### Is NGAO Authenticator free?

NGAO Authenticator is free to download, with no in-app purchases.

### Is Storage Cleaner free?

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

### Do NGAO Authenticator or Storage Cleaner have ads?

Neither NGAO Authenticator nor Storage Cleaner shows ads.

### Which is updated more often, NGAO Authenticator or Storage Cleaner?

NGAO Authenticator ships an update every 2 days, and Storage Cleaner every 2 days. Most recently, NGAO Authenticator was updated on September 10, 2026 and Storage Cleaner on September 22, 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.*