Comparison

SurveyMars vs Storage Clean Up

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SurveyMars

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
Read full description

SurveyMars: A completely free survey maker with unlimited surveys, questions, responses, and advanced analytics tools. You can create, share, and analyze surveys in minutes, without any technical expertise or budget. *** Key Features *** - Create unlimited surveys and polls for free - Build surveys from scratch, with AI, or from templates - Select from 50+ question types, including advanced types - Offer advanced survey functions like pipe answer, skip logic, and randomization - Customize the style of your survey - Share surveys via email, social media, and QR code - Analyze results with real-time reports, including charts, graphs, and tables SurveyMars is committed to providing a completely free survey maker that allows users to create unlimited surveys and analyze responses with advanced analytics tools without requiring a credit card. We believe that collecting feedback and insights should be accessible to everyone, regardless of their budget or technical expertise. By using SurveyMars, you can create surveys in minutes and easily share them with your audience via email, social media, or QR code. With a variety of question types and advanced survey functions like pipe answer, skip logic, and randomization, it’s easy to collect valuable feedback and insights from your audience. Once you've collected responses, there are real-time reports that include charts, graphs, and tables to help you analyze your data and make data-driven decisions. So you can quickly and effortlessly collect data and gather insights to improve your business, research project, or academic study. We are proud to offer a completely free survey maker that is accessible to everyone. Try SurveyMars today and see how easy it is to create and analyze surveys for free. Privacy Notices: https://surveymars.com/legal/privacy-notice/ Terms of Use: https://surveymars.com/legal/terms-of-use/

About

Storage Clean Up

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
Read full description

CleanPro: Storage Clean Up – Delete Duplicates, Free Up Photo & Video Space! Running out of storage? Let CleanPro’s smart photo and video cleanup help you reclaim space in seconds. ◆ FAST PHOTO CLEANUP Clean up your phone’s media storage effortlessly. Smart scanning finds hidden clutter: ‣ Delete duplicate photos with a single swipe ‣ Remove blurry shots, old screenshots, and large videos instantly ‣ Free up gigabytes of space used by photos and videos ◆ SMART PHOTO ORGANIZER No need to scroll manually—CleanPro handles it for you: ‣ Detects similar images and keeps the best automatically ‣ Highlights the sharpest, most well-lit photos in each group ‣ Flags duplicates and burst shots for easy removal ○ You’re always in control—approve every deletion ○ Review suggestions before anything is removed ◆ DECLUTTER WITH EASE Make media cleanup fast, intuitive, and even fun: ‣ Swipe right to keep memories, left to remove extras ‣ Sorts content into smart categories: Similar Shots, Videos, Screenshots, and more ‣ Deleted items go to Trash first—nothing gets lost by mistake ◆ SAVE STORAGE & TIME Manual sorting takes forever—CleanPro gets it done fast: ‣ See how much space you’ve freed ‣ Save time organizing your media library ‣ Enjoy instant results and a cleaner camera roll ◆ SECURE & PRIVATE Your privacy is our priority: ‣ Works entirely offline—no data ever leaves your device ‣ All scans and decisions happen on your iPhone ‣ No uploads, no servers, no risk of data exposure ◆ FREE DOWNLOAD + PREMIUM UPGRADE CleanPro is free with limited daily cleanup. Upgrade to Premium for full access: ‣ Monthly Plan: 7-day free trial, then $4.99/month ‣ Annual Plan: 7-day free trial, then $19.99/year ‣ Lifetime Access: One-time purchase of $24.99 ○ No ads ○ Unlimited daily cleanup ○ Priority customer support ○ Cancel anytime ► Download CleanPro now and take back space on your iPhone—quickly, safely, and stress-free! Terms of Use: https://getcleanpro.app/terms Privacy Policy: https://getcleanpro.app/privacy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SurveyMars4 screens
Storage Clean Up4 screens

Verdict

The call

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 (401 vs 48). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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 401 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.

UpkeepUpdate frequency

SurveyMars ships an update every 3 months, Storage Clean Up weekly. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
SurveyMars versus Storage Clean Up: the parameters behind the verdict, then further details
ParameterSurveyMarsStorage Clean Up
PriceFreeFree
Rating4.9 (48 ratings) — better4.6 (401 ratings)
Positive reviews98.4% of reviews — better53.3% of reviews
Number of ratings48401 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size15 MB110 MB
Age rating4+4+
DeveloperWjx International LimitedDuc Lai

Customer experience

SurveyMars

All ratings48 ratings
Positive97.9%
Neutral0.0%
Negative2.1%
Written reviews64 reviews
Positive98.4%
Neutral0.0%
Negative1.6%

Storage Clean Up

All ratings399 ratings
Positive88.2%
Neutral4.3%
Negative7.5%
Written reviews30 reviews
Positive53.3%
Neutral0.0%
Negative46.7%

User reviews

SurveyMars

From 48 App Store ratings

What we love

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

Room to improve

  • 🐛 App doesn't work sometimes

Storage Clean Up

From 401 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

SurveyMars

Reported bugs

1 issue
  • Doesn't work now

Requested features

1 request
  • Add more functions

Storage Clean Up

Reported bugs

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

Requested features

3 requests
  • Ability to preview media files
  • Display file names and sizes
  • Adjust font and logo size

In-app purchases

None

SurveyMars

No in-app purchases

9 purchases

Storage Clean Up

Subscriptions7
  • Cleaner App Weekly Subs7 Days trial$3.997 Days
  • CleanPro Weekly Premium Access$3.997 Days
  • Cleaner App Pro One Month7 Days trial$5.991 Month
Show 4 more
  • CleanPro Premium$5.991 Month
  • CleanPro Premium$9.991 Year
  • Cleaner App Pro One Year7 Days trial$29.991 Year
  • CleanPro Premium$29.991 Year
One-time2
  • CleanPro Premium Lifetime$59.99
  • CleanPro Premium Lifetime$79.99

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 401 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 October 24, 2026.

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