# Commkey vs Clean Master：Storage Cleaner

The clearest difference is in-app purchases: Commkey at none against Clean Master：Storage Cleaner's 7. Commkey also leads on update cadence (weekly vs every 2 months) and rating (4.7 vs 4.5). Clean Master：Storage Cleaner's advantage is ratings volume (566 vs 11) and iOS requirement (12.0 vs 16.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Clean Master：Storage Cleaner sells 7 in-app purchases, starting at $9.99 per 7 days. Commkey asks for nothing beyond the download.

Commkey holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Clean Master：Storage Cleaner has 566 ratings behind it against 11, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Commkey ships an update weekly, Clean Master：Storage Cleaner every 2 months. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Commkey | Clean Master：Storage Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/commkey/id1670230243/reviews)** | [4.5 (566 ratings)](https://appshunter.io/ios/app/clean-masterstorage-cleaner/id6474166061/reviews) |
| Number of ratings | 11 | **566** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 41 MB | 40 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timeless Limited Liability Company](https://appshunter.io/developer/1677222613) | [瑞 王](https://appshunter.io/developer/1707477034) |

## What reviewers say

### Commkey

[App page](https://appshunter.io/ios/app/commkey/id1670230243)

This AI-powered application helps users compose professional emails quickly and effectively. It offers customizable tones, predefined templates, and supports multiple languages, making email writing easier for everyone.

**Highlights:** AI-assisted email composition, Customizable email tones, Predefined email templates, Multi-language support, User-friendly interface, Account creation and onboarding

**Features:** macOS Compatibility

**In-app purchases:** none


### Clean Master：Storage Cleaner

[App page](https://appshunter.io/ios/app/clean-masterstorage-cleaner/id6474166061)

This app helps organize your photo albums by identifying and cleaning similar, blurry, or oversized pictures. It also offers cloud storage for photos, batch compression to save space, and text extraction from images.

**Highlights:** Identify and clean similar/blurry/oversized pictures, Upload local pictures to cloud albums, Batch compress pictures, Extract text from pictures, Free 3-day trial for new users

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cleanmaster | $9.99 | per 7 days |
| sweekntrial | $9.99 | per 7 days |
| cleanmaster | $29.99 | per month |
| sweekntrial | $29.99 | per month |
| cleanmaster | $39.99 | per 3 months |
| sweekntrial | $39.99 | per 3 months |
| sweekntrial | $49.99 | one-time |


## Frequently asked questions

### Is Commkey free?

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

### Is Clean Master：Storage Cleaner free?

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

### Which has better reviews, Commkey or Clean Master：Storage Cleaner?

Commkey is rated higher. Commkey averages 4.7 out of 5 from 11 ratings, while Clean Master：Storage Cleaner averages 4.5 from 566 ratings.

### Do Commkey or Clean Master：Storage Cleaner have ads?

Neither Commkey nor Clean Master：Storage Cleaner shows ads.

### Which is updated more often, Commkey or Clean Master：Storage Cleaner?

Commkey ships an update weekly, and Clean Master：Storage Cleaner every 2 months. Most recently, Commkey was updated on October 7, 2026 and Clean Master：Storage Cleaner on October 30, 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.*