Comparison

Guru vs Cool Cleaner

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

Head to head
About

Guru

This app helps declutter your device by finding duplicate photos and contacts. It also offers a secure secret folder for private files, a password generator, and system information checks.

Highlights
  • Duplicate photo cleaner
  • Duplicate contact cleaner
  • Secret folder for private files
  • Password generator
  • System information checker
  • Speed test
Features
Read full description

Over time, the use of your device becomes less productive due to the accumulation of unnecessary junk. This application is designed to help you level up your phone and spend the minimum amount of time! Guru is a smart application that will not only clean your iPhone but also protect your privacy. WHAT IS CLUTTERING UP YOUR DEVICE? Duplicate photos. We all know how easy it is to litter your gallery with similar selfies, old pie recipes and photos from work. Users don't have enough time to clear their phone's memory all the time. We want to do it for you! GALLERY CLEANER - the application automatically detects similar photos with the suggestion of removing the worst ones (only with the user's permission). Duplicate contacts. It is very easy to add the same contact twice. Let's get rid of this problem together! SMART CLEANER automatically detects the same numbers or names in your Contacts. Guru - no more confusion with calls. Download the app and get an ordered Gallery with your favorite and necessary photos and convenient Contacts forever! What about your PERSONAL LIFE? Everyone has something they want to keep hidden for others and that's right. But how to do it quickly, easily and most importantly reliably? Guru team has developed a special feature. SECRET FOLDER - accessible only to you. 1. Set a password or use Face ID and have private access. 2. Store secret photos or videos. 3. Save private contacts. 4. Keep your passwords to any website or app. Hide everything you want! After all, if there are problems with complex passwords? We thought about that too! Our application has a built-in PASSWORD GENERATOR. Just use this function and create a strong password and protect your data. Nowadays, this is so important. Also, in order to maintain the device, you must always be aware of its condition. Get SYSTEM INFO about your iPhone anytime. You can check up: - Storage - Battery Status - Screen Test - Network Info - Sensors, etc. SPEED TEST Poor internet speed? Use Speed Test to determine the speed of your traffic. The application will show you the amount of data used and will automatically identify problems if there are any. If you want to improve performance, hide private files and always be aware of the status of your device, then the choice is obvious. Guru - guard your iPhone, privacy and time! Read the subscription information: It is possible to get a Pro version. You can always subscribe or cancel it. Before subscribing, use the 3-day free trial period to try all features for free. Payment will be debited from your iTunes account after subscribing. If you want to unsubscribe, make sure it is no later than 24 hours before the end of the current period. Guru team is always ready to answer your questions: Support: https://guruboostandclean.site/support Terms and Conditions: https://guruboostandclean.site/termsandconditions Privacy Policy: https://guruboostandclean.site/privacypolicy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Cool Cleaner

This utility app helps free up phone storage by identifying and removing duplicate photos, large files, and unused calendar entries. It also offers tools for managing contacts and testing network speed.

Highlights
  • Duplicate photo cleaner
  • Large file removal
  • Video file resizing
  • Contact management
  • Calendar cleanup
  • System information
  • Network speed test
Features
Read full description

Cool Cleaner - Easy Clean Storage Cool Cleaner is a easy clean tool for clean similar photos, large files, large and resize video files. Also, it can make easy to clean contact, calendar and so on. Photo Cleaer Recognize duplicate photos, choose your like photos. Remove large files to keep your phone storage. Contact Clean Remove contacts that do not have phone numbers or email addresses. Merge duplicate contact. Clean Calendar Delete expired calendar System Info Better understanding of your mobile phone system information Network speed test Easily test your iphone's Internet speed. Payment & Subscription Terms: Choose between the following subscription options for unlimited access to all features: • Weekly Subscription with FREE TRIAL FOR 3 DAYS • Monthly Subscription • Yearly Subscription • Lifespan Prime ***You may cancel your subscription at any time*** CoolCleaner’s free trial allows you unlimited access to all features for the duration of 3 days. Your account will be automatically charged for renewal, based on the weekly subscription plan, within 24 hours before the end of the 3 days free trial period. You can cancel auto-renewal at any time, given that the cancellation is at least 24 hours before the end of the current period. Any unused portion of a free trial period will be forfeited when making a purchase of an auto-renewing subscription. ***Manage your subscription directly from your iPhone*** Subscriptions can be managed by the user and auto-renewal can be turned off by going to the Account Settings: - Open the Settings app. - Tap your name. - Tap Subscriptions. - Tap the subscription that you want to manage. Privacy policy: https://cool.lightingroom.xyz/privacyPolicy Terms of use: https://cool.lightingroom.xyz/termOfUse

Screenshots

Guru4 screens
Cool Cleaner4 screens

Verdict

The call

The clearest difference is ratings volume: Cool Cleaner at 140 against Guru's 5. Guru's advantage is iOS requirement (12.0 vs 16). On price, rating, update cadence and ads 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. Guru sells 2 in-app purchases, starting at $8.99 per 7 days and Cool Cleaner sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Guru against 4.3 for Cool Cleaner. That said, the two scores are not equally well evidenced: Cool Cleaner has 140 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Guru ships an update every 11 days, Cool Cleaner weekly. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
Guru versus Cool Cleaner: the parameters behind the verdict, then further details
ParameterGuruCool Cleaner
PriceFreeFree
Rating4.2 (5 ratings)4.3 (140 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings5140 — better
Update frequencyEvery 11 daysWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better16
Further details — not scored
Size56 MB66 MB
Age rating4+4+
DeveloperCOTRINITY LTD淑滢 张

Customer experience

Guru

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%

Cool Cleaner

All ratings139 ratings
Positive79.9%
Neutral10.1%
Negative10.1%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

2 purchases

Guru

Subscriptions2
  • 1 week3 Days trial$8.997 Days
  • 1 quarter3 Days trial$59.993 Months
4 purchases

Cool Cleaner

Subscriptions3
  • Weekly Prime3 Days trial$9.997 Days
  • Monthly Prime$24.991 Month
  • Yearly Prime$79.991 Year
One-time1
  • Lifespan Prime$89.99

Questions

Is Guru free?
Guru is free to download, with in-app purchases available.
Is Cool Cleaner free?
Cool Cleaner is free to download, with in-app purchases available.
Which has better reviews, Guru or Cool Cleaner?
Cool Cleaner is rated higher. Guru averages 4.2 out of 5 from 5 ratings, while Cool Cleaner averages 4.3 from 140 ratings.
Do Guru or Cool Cleaner have ads?
Both Guru and Cool Cleaner show ads.
Which is updated more often, Guru or Cool Cleaner?
Guru ships an update every 11 days, and Cool Cleaner weekly. Most recently, Guru was updated on November 3, 2026 and Cool Cleaner on November 3, 2026.

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