Applications
Applications are software within the game that can be downloaded using the Synchronized Transferable App Repository, or STAR App. Each application serves their own unique purpose, affecting more than just your phone. Some of these range from statistics, to ordering already experienced events, among other things.

Existing apps that are already pre-packaged within your phone however, are instead within the Phone's own page. External applications will only be displayed here.

Do note that the main currency used in these transactions are Coins and / or Robux, with some either being needed to download an app, or to purchase goods.

Another thing to note is that there's an anti-cheat system when you use VIP Commands within a private server, disbaling progress on Pear's Place, Rider, and more. If you play normally as if the Private Server is Public, progress will still be enabled.
Anti-cheat will also fade out if the owner of the private server has not used any commands for a good while, but using any commands after that will re-activate it.

Free Applications
The following applications can be downloaded without an initial fee. Doesn't exempt them though from having in-app transactions.
Pear's Place!
Pear Paw // Economy // Personal

Pear's Place is a free pre-installed application that allows you to gain Coins as a form of currency and has an array of various hosts and quests to choose from.

It also features a totally-not shady shop, allowing you to purchase items that you have experienced within events previously... with a fee, of course.
Rider - For the wanderers
enlightened // Utility // Personal // Transit

Rider is a free pre-installed application that tracks various things throughout your entire bus journey, from events, currently playing radio songs, current bus driver, badges, items, to even some of the most bizzare things you didn't anticipate would be on here.
Freemium Applications
The following applications can be downloaded without an initial fee, but in terms of their in-app purchases, they typically are in a more wide-scale / permanent sense. Functionality still exists, but a fee is needed for further access.
MORSE
NULLTECH // Utility // Messaging

The Morse app is a freemium app that allows you to see and transmit messages from you and other players across servers, akin to that of the now deprecated Megaphones. Viewing is free, but transmitting your own is a paid feature costing 20 R$.
Paid Applications
The following applications must be paid an intial fee prior to downloading it. Often these possess a larger, more unique function.
Caser
Lnro Corporation // Utility // Personal // Customization
1000 Coins

The Caser app is a paid external application within Bus Simulator that allows you to customize the casing of your phone, either by material, color, or adding a decal to it. Don't question how it works with the hyper-advanced nanotechnology. It's just how it is.
Robux-Exclusive Applications
The following applications are only paid with Robux instead of Coins or for free. These usually possess a large array of functions, but aren't specifically catered to one thing.