# Dolphin Clean vs Security Master

The clearest difference is rating: Security Master at 4.4 against Dolphin Clean's 4.2. Security Master also leads on ratings volume (4K vs 712) and device support (3 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Dolphin Clean sells 6 in-app purchases, starting at $9.99 per month and Security Master sells 2 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Security Master holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Security Master has 4K ratings behind it against 712, so its average is the more settled of the two. Written reviews complicate that: 58% of Dolphin Clean's written reviews are positive against 55% of Security Master's, so the app with the better star average is not the one people write more warmly about.

Dolphin Clean ships an update every 2 weeks, Security Master every 11 days. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Dolphin Clean | Security Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (712 ratings)](https://appshunter.io/ios/app/dolphin-clean-smart-cleaner/id6444435510/reviews) | **[4.4 (4K ratings)](https://appshunter.io/ios/app/security-master-data-privacy/id6504529234/reviews)** |
| Number of ratings | 712 | **4K** |
| Positive reviews | **57.9% of reviews** | 55.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 20 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dolphin Technology Company Limited](https://appshunter.io/developer/1569145150) | [Mobiwave Limited](https://appshunter.io/developer/1752684803) |

## What reviewers say

### Dolphin Clean

[App page](https://appshunter.io/ios/app/dolphin-clean-smart-cleaner/id6444435510)

This app helps you free up storage space on your phone by deleting duplicate photos, videos, and outdated calendar events. It also organizes your contacts by merging duplicates and removing unnamed entries.

**Highlights:** Delete duplicate photos and videos, Organize and merge contacts, Clear outdated calendar events, Save storage space, Clean large videos by size, One-tap device cleaning

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $9.99 | per month |
| Weekly VIP | $9.99 | per 7 days |
| Special Weekly Membership | $9.99 | per 7 days |
| Discounted Annual Membership | $9.99 | per year |
| Annual Membership | $49.99 | per year |
| Lifetime Membership | $99.99 | one-time |

**What reviewers like**

- 🚀 Fast and complete cleaning
- 👍 Smart and useful features
- 🚀 Efficient and quick
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Doesn't work as advertised
- 🐛 Crashes and freezes
- 🐛 Confusing to use

**Reported bugs**

- Doesn't clean up garbage and viruses
- Keeps crashing and exiting the app

**Requested features**

- Notification for hacking attempts
- Dark mode option


### Security Master

[App page](https://appshunter.io/ios/app/security-master-data-privacy/id6504529234)

Protect your personal information and enhance your online activity. This app offers privacy checks, data leak alerts, secure storage for sensitive files, and a protected browsing experience. Keep your digital life safe and your browsing uninterrupted.

**Highlights:** Privacy Checkup, Data Leaks Check, Safe Storage for Files, Secure Browser, Malicious Sites Blocking, Tracker and Ad Blocking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trial Premium Weekly | $8.99 | per 7 days |
| Premium Yearly | $49.99 | per year |

**What reviewers like**

- 🚀 Fast app
- 🔒 Provides security
- 👍 Helpful app

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Paid subscription
- 🤔 Confusing for some users

**Reported bugs**

- Login issues
- Compatibility problems

**Requested features**

- More help and guidance for users
- Free trial period


## Frequently asked questions

### Is Dolphin Clean free?

Dolphin Clean is free to download, with in-app purchases available.

### Is Security Master free?

Security Master is free to download, with in-app purchases available.

### Which has better reviews, Dolphin Clean or Security Master?

Security Master is rated higher. Dolphin Clean averages 4.2 out of 5 from 712 ratings, while Security Master averages 4.4 from 4K ratings.

### Do Dolphin Clean or Security Master have ads?

Both Dolphin Clean and Security Master show ads.

### Which is updated more often, Dolphin Clean or Security Master?

Dolphin Clean ships an update every 2 weeks, and Security Master every 11 days. Most recently, Dolphin Clean was updated on September 19, 2026 and Security Master on September 25, 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.*