RAM Calc is a feature-rich RAM memory calculator and monitor designed to help users analyze and manage memory usage on Android devices. It offers auto-start when memory usage crosses a threshold, a side launcher for quick access, and customizable UI options, all in a free-to-download package with an optional no-ad subscription.
Pros & Cons
Auto-start on memory threshold
Side launcher for quick access
Customizable UI colors and animations
Advanced calculations with Hyper calc and Former Expression
OS restrictions reduce side bar functionality in recent changes
Broad permission set (including ad IDs, QUERY_ALL_PACKAGES, READ_PHONE_STATE) may raise privacy considerations
About RAM Calc
RAM Calc is a tools app developed by J Kosa App.
Download Statistics
RAM Calc has been downloaded 9.5 million times. In the last 30 days, the app was downloaded 15 thousand times.
User Ratings
RAM Calc is rated 4.38 out of 5 stars. The rating is based on 68 thousand ratings.
App Information
RAM Calc is FREE to download. The APK download size is 18.20 MB. The latest version available is 15.04. The last update was on December 29, 2025.
Technical Requirements
RAM Calc requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play August 2015.
Description
Unique RAM Memory app.
Advanced functions: -"Hyper calc" is the same operation as before, though GUI expression is different. -When you want to show previous experience, please set it via optional menu "Former Expression". -Auto closing. -Removal of animation. -Auto start function by recognition of exceeding threshold of memory usage ratio. -Color settings for texts, background, foreground, and animation. -Shortcut for customized app-start. -Side launcher helps you to quick start the app and many extra functions. -Accessibility service is used for back/home/recent app/open notification/screen move/split screen/quick settings/pointer mode and not for personal data collection. Please use this function with your acceptance.
-Paid option for no-ad on the app and minimization is monthly subscription*. *If you do not cancel the automatic renewal within 24 hours, the contract period will be automatically renewed. *You can check and cancel the contract details from Google Play (Settings tab > Subscription > RAM Calc).
Recent changes: ver.15.04 -Bug fixes (inc. permission problem). Due to OS restriction, side bar function is not available. Sorry for inconvenience.
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After testing multiple RAM management apps, this one stands out for its effectiveness. I verified its performance through Android's system settings, which showed measurable improvements in available memory. The app delivers on its core function without making exaggerated claims. I recommend trying the free version to see the results for yourself.
★★★★★G Man· Mar 9, 2026
Unlike other apps, RAM Calc works autonomously. Previously, I had to manually optimize my phone every couple hours to avoid apps slowing down or acting erratically. This should have come on pre-installed on the phone.
★★★★★ronie gallego· Apr 28, 2026
Game saver I can play path of titan without lag thanks to this try nyo legit guys nawala lag Ng path of titan ko mas smoth laroin Ayala uninstall ko na path of titan ko kasi Ang lag buti Neyland Nikita ko to grab game changer
★☆☆☆☆Camera Nader· May 31, 2026
Very poor and very slowly speed on IQOO 13 ANDROID 16 ORIGIN OS 6 👎🤯😱😰😰🤯
★☆☆☆☆Joe Tariq· Apr 30, 2025
Not working good the apps open again after run this app useless
★★☆☆☆Tiny Roberts· Jun 28, 2025
Makes my phone screen freeze forcing me to look at the advert I'm guessing used it for years not anymore
Google Play Rankings for RAM Calc
This app is not ranked
Technologies used by RAM Calc
20 permissions·53 libraries
Subscribe to see full permission and library details
Trust & Safety: The app uses an Accessibility service for navigation actions (back/home/recent, screen moves, quick settings) and is not described as collecting personal data through this service. It requests multiple permissions including network state, internet, foreground service, billing, ad identifiers, and package usage stats; developers note that side-bar functionality may be affected by OS restrictions.
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