People get apps, even at a cost sometimes, because they promote productivity and efficiency. Other times they are crucial for communication and interaction.

Meanwhile, there are those apps that do not make us productive, nor are they relevant. Nonetheless, people download them because something is satisfying about them.

Below are some apps that aptly fit the description above. They are utterly pointless—a waste of time, even— but are oddly rewarding and addictive.

1. ASMR Slicing

Whether you do it for a project in school, some DIY in your garage, or cooking Spam in the kitchen, slicing objects perfectly well is rewarding.

ASMR Slicing is pretty straightforward: it lets you slice objects. You have the freedom to cut various items thick or so thin that they peel away. The haptics makes it feel like actual slicing, too.

Download: ASMR Slicing for iOS | Android (Free)

2. Coin Dozer

Nothing is as nostalgic as a digital coin pusher. However, you don’t need to buy any coins at Coin Dozer. You can get a coin at a certain regeneration rate, which becomes faster as you increase in level.

You also don’t have to worry about tilt. You can simply tap the shake button to make some extra coins fall. Like actual coin pushers, Coin Dozer comes with bonuses: giant coins, puzzles, prizes, and extra coins!

Download: Coin Dozer for iOS | Android (Free, in-app purchases available)

3. Water Sort Puzzle

Aside from the satisfaction that you can get from pouring liquids from one container to another, the Water Sort Puzzle satisfies a person’s drive to sort and organize things properly.

The app shows you several test tubes you need to pour until you sort its colored liquid contents. It can require some processing skills as you progress to more challenging levels, but it won’t stress out you since there are no turn limits.

Download: Water Sort Puzzle for iOS | Android (Free, in-app purchases available)

4. Perfect Expert 3D

Perfect Expert 3D is a pretty simple game that gives you broken items that you need to fix. The objects can be explored in 3D, so you can move them around to try to find a solution.

Related: Fast and Quick Mobile Games to Kill Time on Android and iPhone

Once you’re done fixing them, they get to be displayed in your virtual home. The repairs become more challenging as levels go up.

Download: Perfect Expert 3D for iOS | Android (Free, in-app purchases available)

5. Spiro Art

What makes drawing with a spirograph enjoyable is when you see your drawing magically turn into a magnificent art, while all you have to do is just change positions and pens.

Spiro Art allows you to do the same thing. Change pen colors and positions on the gear, tap on the frame, and see your art come to life. The haptics makes it feel more realistic, too!

Download: Spiro Art for iOS | Android (Free, in-app purchases available)

6. Wood Turning 3D

If you want to try wood carving but are afraid of handling chisels, getting hurt, and making mistakes, this is the app for you.

You need to turn a solid block of wood into the requested shape to create the customer’s order. To do this, you will need to use various tools, including a sponge, varnish, spray paints, stencils, and chisels.

Download: Wood Turning 3D for iOS | Android (Free, in-app purchases available)

7. Thisissand

Thisissand allows you to create a masterpiece out of piling sand. You can hear sand piling as you hold and drag your finger to pour colored sand.

To change colors, you simply tap at the color button and select from the color palette. You can take a photo of your creation once you’re done.

You need to sign up for a Thisissand account to be able to save your previous creations. Otherwise, it will be overwritten by a new one.

Related: The Best Free Mobile Apps with No Ads or In-App Purchases

You can also purchase the app’s Thisissand toolkit, which contains five creative tools like Photo Sand and Color Shifter, which help you create more beautiful sand images.

Download: Thisissand for iOS | Android (Free, in-app purchases available)

8. Shredder Simulator

Are you stressed or angry? Want to wreck something? Shredder Simulator allows you to throw a variety of objects into the shredder. Going to higher levels unlocks different items for shredding.

Shredder Simulator provides realistic physics as to how items react to the shredder and allows you to throw as many items in as you want. You can even zoom in and see the items get shredded from different

You earn coins as you shred. You will need these coins to progress to the following levels, where you can use shredders with higher RPM.

Download: Shredder Simulator iOS (Free, in-app purchases available)

9. Coloring Book for Me

With Coloring Book for Me, you can create your own mandala from scratch and upload your own drawing or transform photos into coloring pages. Its paid subscription removes ads and gives you unlimited access to all the pictures on the app.

You can choose from 45 preset palettes or make your own. It also has a Magic Photo feature that allows you to combine a photo from your Camera Roll or a photo taken in real time to be applied on uncolored cells on the coloring page.

The app has an Inspire feed that shows top users and their creations.

Download: Coloring Book for Me for iOS | Android (Free, in-app purchases available)

10. Bubble Tea!

Bubble Tea is a simulator that challenges you to recreate bubble tea drinks based on the picture.

You will need to combine flavors and add boba and ice. You can also retry and skip levels.

Depending on the accuracy of your creation, you can earn coins that you can use to get skins to customize your bubble tea cups.

Download: Bubble Tea! for iOS |Android (Free, in-app purchases available)

Take Some Time to Chill With These Fun Apps

If you need to pass some time off doing something that doesn’t require brain work—or at least very little of it—go for these apps.

Because of their simple and repetitive nature, these satisfying apps have the potential to relax you and remove your mind off your troubles. A warning, though, they can be very addictive!