# SurveyMars vs Storage Clean Up

The clearest difference is review sentiment: SurveyMars at 98% against Storage Clean Up's 53%. SurveyMars also leads on in-app purchases (none vs 9) and ads (none vs shown). Storage Clean Up's advantage is update cadence (weekly vs every 3 months) and ratings volume (402 vs 48). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Storage Clean Up sells 9 in-app purchases, starting at $3.99 per 7 days. SurveyMars asks for nothing beyond the download.

SurveyMars holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Storage Clean Up has 402 ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 98% of SurveyMars's written reviews are positive against 53% of Storage Clean Up's.

SurveyMars ships an update every 3 months, Storage Clean Up weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SurveyMars | Storage Clean Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (48 ratings)](https://appshunter.io/ios/app/surveymars/id1301153578/reviews)** | [4.6 (402 ratings)](https://appshunter.io/ios/app/storage-clean-up-cleanpro/id1561471269/reviews) |
| Number of ratings | 48 | **402** |
| Positive reviews | **98.4% of reviews** | 53.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 15 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wjx International Limited](https://appshunter.io/developer/1740915463) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## What reviewers say

### SurveyMars

[App page](https://appshunter.io/ios/app/surveymars/id1301153578)

Create, share, and analyze surveys effortlessly with this free tool. Build custom surveys using various question types, AI assistance, or templates. Gain insights through real-time reports with charts and graphs.

**Highlights:** Unlimited free surveys and polls, AI-assisted and template-based survey creation, 50+ question types, Advanced survey logic (skip, randomization), Customizable survey styles, Multiple sharing options (email, social, QR), Real-time analytics with charts and graphs

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface
- 👍 Rich question types
- 🚀 Efficient processes (auto-save, real-time data)
- 🔒 Data encryption and privacy protection
- 📊 Powerful data visualization and analytics

**What reviewers complain about**

- 🐛 App doesn't work sometimes

**Reported bugs**

- Doesn't work now

**Requested features**

- Add more functions


### Storage Clean Up

[App page](https://appshunter.io/ios/app/storage-clean-up-cleanpro/id1561471269)

This app helps you reclaim storage space on your phone by intelligently identifying and deleting duplicate photos, blurry shots, and large videos. It offers a fast, intuitive interface for organizing your media library and freeing up gigabytes of space.

**Highlights:** Delete duplicate photos with a swipe, Remove blurry shots and large videos, Detects and keeps best similar images, Sorts content into smart categories, Works entirely offline for privacy, Track freed-up storage space

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cleaner App Weekly Subs | $3.99 | per 7 days |
| CleanPro Weekly Premium Access | $3.99 | per 7 days |
| Cleaner App Pro One Month | $5.99 | per month |
| CleanPro Premium | $5.99 | per month |
| CleanPro Premium | $9.99 | per year |
| Cleaner App Pro One Year | $29.99 | per year |
| CleanPro Premium | $29.99 | per year |
| CleanPro Premium Lifetime | $59.99 | one-time |
| CleanPro Premium Lifetime | $79.99 | one-time |

**What reviewers like**

- ✨ Amazing app performance
- 🧹 Effective cleaner
- 💰 Good price
- 💾 Saved significant space (10GB+)
- 🎯 Almost perfect duplicate finder

**What reviewers complain about**

- ❌ Didn't remove duplicates
- ❌ Doesn't work
- ❌ Suspicious background internet activity
- ❌ Fake product
- ❌ Cheaters, thieves

**Reported bugs**

- Duplicate removal not working
- App crashes when deleting or contacting developer
- Contact merge removes names
- App does not work
- App keeps crashing

**Requested features**

- Ability to preview media files
- Display file names and sizes
- Adjust font and logo size


## Frequently asked questions

### Is SurveyMars free?

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

### Is Storage Clean Up free?

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

### Which has better reviews, SurveyMars or Storage Clean Up?

SurveyMars is rated higher. SurveyMars averages 4.9 out of 5 from 48 ratings, while Storage Clean Up averages 4.6 from 402 ratings.

### Do SurveyMars or Storage Clean Up have ads?

Storage Clean Up shows ads; SurveyMars does not.

### Which is updated more often, SurveyMars or Storage Clean Up?

SurveyMars ships an update every 3 months, and Storage Clean Up weekly. Most recently, SurveyMars was updated on November 2, 2026 and Storage Clean Up on November 3, 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.*