# AI Optimizer vs MasterCleaner · AI ClearSpace

The clearest difference is review sentiment: MasterCleaner · AI ClearSpace at 100% against AI Optimizer's 40%. MasterCleaner · AI ClearSpace also leads on rating (4.7 vs 4.4) and ratings volume (1.1K vs 191). AI Optimizer's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. AI Optimizer sells 4 in-app purchases, starting at $6.99 per 7 days and MasterCleaner · AI ClearSpace sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

MasterCleaner · AI ClearSpace holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: MasterCleaner · AI ClearSpace has 1.1K ratings behind it against 191, so its average is the more settled of the two. Written reviews point the same way: 40% of AI Optimizer's written reviews are positive against 100% of MasterCleaner · AI ClearSpace's.

AI Optimizer ships an update fortnightly, MasterCleaner · AI ClearSpace monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | AI Optimizer | MasterCleaner · AI ClearSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (191 ratings)](https://appshunter.io/ios/app/ai-optimizer-phone-cleaner/id6757226446/reviews) | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/mastercleaner-ai-clearspace/id6760340155/reviews)** |
| Number of ratings | 191 | **1.1K** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 133 MB | 26 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Velocity Pro Engine SL](https://appshunter.io/developer/1865426878) | [THREE TIGER NETWORK TECHNOLOGY LIMITED](https://appshunter.io/developer/1702852748) |

## What reviewers say

### AI Optimizer

[App page](https://appshunter.io/ios/app/ai-optimizer-phone-cleaner/id6757226446)

This utility app uses AI to quickly free up storage space on your iPhone by identifying and removing junk files, duplicate photos, and unnecessary data. It also helps organize contacts and calendars, and includes a private vault for secure file storage.

**Highlights:** AI-powered storage cleaning, Duplicate photo and video removal, Duplicate contact merging, Junk and cache file deletion, Calendar event cleanup, Private file vault

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Weekly subscription | $7.99 | per 7 days |
| Yearly | $29.99 | per year |
| Yearly | $36.49 | per year |


### MasterCleaner · AI ClearSpace

[App page](https://appshunter.io/ios/app/mastercleaner-ai-clearspace/id6760340155)

Easily manage your device's storage and organize your media. Quickly scan for and remove unnecessary files, including duplicate photos and large videos, to reclaim valuable space. Offers a trash bin for file recovery and a built-in SOS feature.

**Highlights:** Smart photo cleanup for duplicates, Video cleaner and compression, Storage management, Trash bin for file recovery, SOS quick access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $34.99 | per year |


## Frequently asked questions

### Is AI Optimizer free?

AI Optimizer is free to download, with in-app purchases available.

### Is MasterCleaner · AI ClearSpace free?

MasterCleaner · AI ClearSpace is free to download, with in-app purchases available.

### Which has better reviews, AI Optimizer or MasterCleaner · AI ClearSpace?

MasterCleaner · AI ClearSpace is rated higher. AI Optimizer averages 4.4 out of 5 from 191 ratings, while MasterCleaner · AI ClearSpace averages 4.7 from 1.1K ratings.

### Do AI Optimizer or MasterCleaner · AI ClearSpace have ads?

MasterCleaner · AI ClearSpace shows ads; AI Optimizer does not.

### Which is updated more often, AI Optimizer or MasterCleaner · AI ClearSpace?

AI Optimizer ships an update fortnightly, and MasterCleaner · AI ClearSpace monthly. Most recently, AI Optimizer was updated on November 5, 2026 and MasterCleaner · AI ClearSpace on November 5, 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.*