Mon Machine

Pieces of technology or an artifact a character have interacted with a mon that usally makes a bond or another connecction with the user. They can also take the form of product placement depending on the series. The common traits of such would be forming a connection or contract and summoning a mon while also carry a supportive function for the monster.

Anime and Manga

 * Digivices from Digimon franchise that usually carries the function of a Tamer to empower their Digimon partner through Digivolution.
 * Digivice 01 from Digimon Adventure V-tamer 01 acts as an analyzer, can transmit data of food and medicinal herbs, and when two 'hits' each, they can have two Digimon DNA Digivolution.
 * Digivices from Digimon Adventure takes the emotional energy of their Tamers to make their respective partner to Digivolve. Higher stages of Digivolution can be accessed when worked in unison with a Crest. Other functions are a built-in clock and can track the signal of other Digivices. They also can purify Digimon under the influence of the Black Gears' corruption. The device can also be used to travel to the Digital World and the real one.
 * D3 from Digimon Adventure 02 is created in order to circumvent the Digimon Emperor's inhibition of Digivolution. The method of the bypass is working in tandem with D-Terminals which stores Digi-Eggs( or Digimentals) for Armor Evolutions. They are also capable of DNA Digivolution when used with another Tamer's D3. They are also able to open a gateway called Digi-Ports to bypass the barrier created by the Crests.
 * D-Powers from Digimon Tamers are usually created when a Blue Card swipes a card reader or given to Tamers by DigiGnomes. The tool can use Digi-Modify by having a card swiped from the Digimon card game in order to give their partners temporary customization. A D-Power can Digivolve a Digimon to Champion level from exposure to Calumon's power or a Digivolution Card. Further evolution is made by swiping a Blue Card to reach Ultimate, which can later fuse with their Digimon in order to reach Mega. It can also analyze nearby Digimon while also carrying a radar function.
 * Data Link Digivece from Digimon Data Squad is used to by their Tamer by D.N.A (Digimon Natural Ability) Charge into Champion and Ultimate by D.N.A. Full Charge. It can also store and release the partner Digimon at the command of the Tamer.
 * Fusion Loader from Digimon Fusion is a device to make two or more Digimon Digifuse which takes the Digimon into a new form like a body part or weapon. It can also store multiple units of Digimon and can use DigiMemories
 * App Drive from Digimon Universe App Monsters are devices given to chosen humans. Their main ability is Apprealize that can materialize an Appmon by inserting their Appmon Chip. It can also have two Appmons to either perform an Applink or App Fusion. They can also allow their user to perform a function related to their Buddy's attack.
 * Manacles from Spider Riders are talismans used by the Spirit Oracle to help humans protect the land by bonding with a Battle Spider. It can store the spider to a pocket dimension called Manacle Space which is comfortable to them. It can also communicate with others that have manacles. The Spider Rider can also use it to transform into battle armor along with a weapon.

Video Games

 * COMP from Shin Megami Tensei carries the Demon Summoning Program designed by Stephen. The portable computer allows the protagonist to communicate, contract, and summon demons.
 * COMPS in Shin Megami Tensei IMAGINE can come in different forms such as gloves, glasses, rings, PDA, and knuckle guards.
 * Gauntlets are devices that are used to determine if a person can become a Samurai or not during a ceremony called the Gauntlet Rite. They come with an AI called Burroughs and other features. Burroughs helps guide her user by showing demon data, navigation, and can be used to interact with demons. Whether by contracting, fusion, making backups, and even learn skills from such creatures.
 * Smartphones in the same setting use apps for Hunters to use for interaction with demons to slay them.
 * COMPs (short for Communication Players), which bears a resemblance to a Nintendo DS (or Nintendo 3DS in the remake). Advertised as a gaming console where web browsing, email, and international online gaming is possible. Thanks to the Demon Summoning Program developed by the protagonist's cousin is used to survive the Tokyo Lockdown. It also carries the secondary program called the Harmonizer which make attacks from Human effective against demons while decreasing damage. When first initiated, a demon will emerge with strength equal to the user. Demons can be obtained through an online auction by using Macca. If the power of the COMP runs out or is broken then the demon contract is nulled and the Harmonizer off leaves a vulnerability to the monsters.
 * The Demonica (short for DEMOuntable Next Integrated Capability Armor) is a form of adaptive Power Armor that's been installed with the Demon Summoning Program. The armor improves performance through combat and the user's personality. It is made to survive the environment of the Schwarwelt and carries different functions such as detecting invisible enemies and doors. While also being able to do what other devices in the series can do, it can also use Sub-Apps. These are programs with different functions such as changing awards from battle, summoned demon's skill growth, and can detect different map details.
 * Devil Risers from Devil Children are gun-shaped computers used for carrying and summon demons. There is also the laptop-like device called Vinecoms that can hold demons for extra storage while also for information on them. There is also the King Riser which is used as a second Devil Riser for summoning stronger demons than a Devil Riser.

Western Animation

 * Battleclaws from Battleclaw are grappling claws used in a sport called... Battlclaw. They are used to capture creatures based on the Wu Xing elements called Jinlins. When combining two into a dual elemental monster to battler other Battleclaw players.
 * Duel Gauntlets from Kaijudo: Rise of the Duel Masters are gauntlets used by Duel Masters. They channel mana from the user can be either summon a Creature or cast a spell.
 * Blaster from Slugterra are gun-like machines that can launch Slugs. It uses the energy from Slugs and when it launches them at 100 mph it can transform into a more powerful version of itself.

Live Action

 * Kamen Rider Ryuki and Kamen Rider Dragon Knight has Advent Deck which allows a Rider to make a contract with a Mirror Monster with a blank Contract Card. They can contract a monster in order to gain better cards that can summon different weapons and abilities.
 * Lockseeds from Kamen Rider Gaim can summon Inves to battle usually in the Inves Games. They are summoned in a virtual state unless summoned by an Armored Rider or that has been jailbroken.