Game Development · head to head
AppGameKit vs Photon Engine

Photon Engine
Game Development
Hosted multiplayer networking billed by concurrent users, not by seat or by player
- From
- Free
- Rated
- -
The short version
- Each has a real cost: AppGameKit exports to Windows, iOS and Android only, so there is no macOS, Linux or console target; Photon Engine billing follows peak concurrent users, so a single stream or a launch weekend raises the bill immediately, and studios that cannot forecast concurrency cannot forecast the cost of their own launch.
- They diverge on capability: AppGameKit covers BASIC-like scripting, Photon Engine covers Concurrent user billing.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which AppGameKit and Photon Engine actually diverge.
| Attribute | AppGameKit | Photon Engine |
|---|---|---|
| Pricing model | free | Per month by peak concurrent users |
| Platforms | Windows, Macos, Linux, Ios, Android, Tvos | Windows, macOS, Linux, iOS, Android, Web, Console |
| Founded | 2004 | Unknown |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Game Development).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in AppGameKit
- BASIC-like scripting
- Visual sprite editor
- Physics engine
- Sound and music
- Particle effects
- Tile support
- Multi-platform export
- Built-in debugger
Only in Photon Engine
- Concurrent user billing
- Photon Fusion
- Photon Quantum
- Photon Voice and Chat
- Global relay
- Matchmaking and rooms
What people use each for
The jobs each tool is most often brought in to do.
AppGameKit
- 2D and 3D game development from a single codebasenot Photon Engine
- Cross-platform mobile game builds for iOS and Androidnot Photon Engine
- Learning game programming in a BASIC-derived languagenot Photon Engine
- Prototyping small games quicklynot Photon Engine
Photon Engine
- Adding multiplayer to a Unity game without hiring a network engineernot AppGameKit
- Competitive titles needing deterministic rollback rather than state synchronisationnot AppGameKit
- Games with a large but thinly spread player base, where concurrency stays low and per player pricing would cost morenot AppGameKit
- Training and simulation projects that need shared real-time state outside gamesnot AppGameKit
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
AppGameKit
- Exports to Windows, iOS and Android only, so there is no macOS, Linux or console target
- The price is not shown on the product page and the product is sold through Steam
- The vendor describes it as their last outing for traditional programming languages before AI-driven development, which is a poor signal for long-term support
- appgamekit.com now redirects into the darkbasic.com site
Photon Engine
- Billing follows peak concurrent users, so a single stream or a launch weekend raises the bill immediately, and studios that cannot forecast concurrency cannot forecast the cost of their own launch.
- Exceeding the band does not degrade gracefully; additional players are refused connections until concurrency falls or the plan is upgraded, which is a visible outage to your players at the worst possible moment.
- PUN, the product most tutorials and courses still teach, is legacy, so a large share of the learning material available online points new projects at the wrong SDK.
- Self-hosting is an enterprise arrangement rather than a purchasable licence, so a studio that wants its servers on its own infrastructure for cost or compliance reasons cannot simply buy that.
- It is a networking layer only; accounts, persistence, leaderboards, inventories and anti-cheat all come from other services, so the multiplayer stack ends up as several vendors rather than one.
Pricing, plan by plan
AppGameKit
Free- FreeFree
- Full editor
- Multi-platform export
- Built-in IDE
Photon Engine
Free- FreeFree
- A small concurrent user allowance for development and early testing
- All regions available
- No time limit on the free tier
- Entry band$9/month
- Around one hundred concurrent users
- Full SDK access
- Regional server selection
- Higher bands$undefined/month
- Sold in steps up to tens of thousands of concurrent users
- Price rises with each band rather than with total players
- Enterprise and self-hosted arrangements handled directly by Exit Games
Which should you pick?
Choose AppGameKit if
- You need basic-like scripting.
- You want to start without paying.
- You work on Windows, Macos, Linux, Ios, Android, Tvos.
- You also want visual sprite editor.
Choose Photon Engine if
- You need concurrent user billing.
- You want to start without paying.
- You work on Windows, macOS, Linux, iOS, Android, Web, Console.
- You also want photon fusion.
Questions people ask
- Is AppGameKit or Photon Engine better?
- Neither clearly leads. AppGameKit starts at Free and Photon Engine at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, AppGameKit or Photon Engine?
- AppGameKit starts at Free and Photon Engine at Free.
- Does AppGameKit or Photon Engine run on more platforms?
- AppGameKit runs on Windows, Macos, Linux, Ios, Android, Tvos. Photon Engine runs on Windows, macOS, Linux, iOS, Android, Web, Console.
- Can I use AppGameKit for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is AppGameKit best used for?
- AppGameKit is most often used for 2d and 3d game development from a single codebase, cross-platform mobile game builds for ios and android, learning game programming in a basic-derived language, prototyping small games quickly. Of those, 2d and 3d game development from a single codebase and cross-platform mobile game builds for ios and android are not what Photon Engine is typically brought in for.
- What can AppGameKit do that Photon Engine cannot?
- AppGameKit covers BASIC-like scripting, Visual sprite editor, Physics engine, Sound and music. Photon Engine covers Concurrent user billing, Photon Fusion, Photon Quantum, Photon Voice and Chat.
Answered from the vendors’ own pages
AppGameKit: How much does AppGameKit cost?
AppGameKit pricing is not published on the AppGameKit website. The product is distributed via Steam store, where pricing information can be obtained.
SourcePhoton Engine: What exactly is a concurrent user?
A player connected to Photon at that moment. Your plan is sized by the peak of that number, not by downloads, registered accounts or monthly actives.
Photon Engine: Which product should a new project use?
Fusion for most real-time games, Quantum where determinism matters such as fighting and competitive titles. PUN is legacy and should not start a new project despite the volume of tutorials.
Photon Engine: Does it work outside Unity?
Unity is the first-class target. Unreal and other engines are supported through Realtime SDKs with less coverage and slower feature parity.
Related pages
More on Photon Engine
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