Ultra App Kit

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App ID	1512210
App Type	Application
Developer	Leadwerks Software
Publisher	Leadwerks Software
Supported Systems	Windows macOS Linux
Last Changenumber	29616047
Last Record Update	17 June 2025 – 20:23:34 UTC ()
Release Date	30 April 2021 – 07:30:00 UTC ()

❓ 61.38%

28 reviews

In-App

Built to power a new generation of game development tools, Ultra App Kit provides an easy-to-use C++ programming SDK for creating cross-platform desktop GUI applications. Learn from extensive documentation with hundreds of examples.

Additional Information

This application is excluded from Steam Family Sharing because: This content type cannot be shared

Developer

Leadwerks Software

ReleaseState

released

Publisher

Leadwerks Software

IsFreeApp

Yes

eulas

0 ↴
id	1512210_eula_0
name	Ultra App Kit EULA
url	https://store.steampowered.com//eula/1512210_eula_0
version	2

Exclude from family sharing (exfgls)

6 (This content type cannot be shared)

Store Release Date

30 April 2021 – 07:30:00 UTC ()

osarch

community_hub_visible

Yes

3rd-Party Account

Ultra Engine account required

Primary Genre

Game Development (60)

Store Genres

Game Development (60)

Steam Release Date

30 April 2021 – 07:30:00 UTC ()

Store Asset Modification Time

17 June 2025 – 20:23:22 UTC () (1750191802)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	CenterCenter
width_pct	100
height_pct	30.368968779564796

osextended

macos64,macosapplesilicon

Is free on the store?

Yes

review_score

review_percentage

Detected Technologies (?)

FreeImage SDK, Protocol_Buffers SDK, cURL SDK

First seen on SteamDB

30 December 2020 – 12:02:33 UTC (), in changelist #10367338

Supported Languages

1 Languages	Interface	Full Audio	Subtitles
English	Yes

Assets

Load all asset images

clienticon

f81e5c88fc1b38cdf50d837b9f148301d22f951e

clienttga

7b8eade51152b81ec860475287cda4897b3c4bda

icon

bb344469e194657297213a180b68998ffcb05ad2

logo

6cf0a7bf729b43666c0bf33e79d255bd4ae08cb1

logo_small

6cf0a7bf729b43666c0bf33e79d255bd4ae08cb1_thumb

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
logo_position/pinned_position	CenterCenter
logo_position/width_pct	100
logo_position/height_pct	30.368968779564796
image2x/english	logo_2x.png

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	bb344469e194657297213a180b68998ffcb05ad2.jpg
page_background_path	app/1512210
raw_page_background	page_bg_raw.jpg
timestamp	17 June 2025 – 20:23:31 UTC

Trailers

256832247 ↴
trailer_name	Introduction to Ultra App Kit
trailer_category	0
trailer_480p/video/webm	256832247/movie480_vp9.webm
trailer_480p/video/mp4	256832247/movie480.mp4
trailer_max/video/webm	256832247/movie_max_vp9.webm
trailer_max/video/mp4	256832247/movie_max.mp4
microtrailer/video/webm	1512210/365084/93eeb942c05a6ee8865e6ddacf162ee97796eb07/1750997195/microtrailer.webm
microtrailer/video/mp4	1512210/365084/93eeb942c05a6ee8865e6ddacf162ee97796eb07/1750997195/microtrailer.mp4
screenshot_medium	256832247/movie.293x165.jpg
screenshot_full	256832247/movie_full.jpg
trailer_base_id	365084
all_ages	true
is_highlight	true
timestamp	1619518839
256829703 ↴
trailer_name	DPI Scaling
trailer_category	0
trailer_480p/video/webm	256829703/movie480_vp9.webm
trailer_480p/video/mp4	256829703/movie480.mp4
trailer_max/video/webm	256829703/movie_max_vp9.webm
trailer_max/video/mp4	256829703/movie_max.mp4
microtrailer/video/webm	1512210/360497/bf670e8e8e38c5c993d87173f2d5847d74df9fce/1750997421/microtrailer.webm
microtrailer/video/mp4	1512210/360497/bf670e8e8e38c5c993d87173f2d5847d74df9fce/1750997421/microtrailer.mp4
screenshot_medium	256829703/movie.293x165.jpg
screenshot_full	256829703/movie_full.jpg
trailer_base_id	360497
all_ages	true
is_highlight	true
timestamp	1619445083
256829700 ↴
trailer_name	OpenGL Viewport in a GUI Application
trailer_category	0
trailer_480p/video/webm	256829700/movie480_vp9.webm
trailer_480p/video/mp4	256829700/movie480.mp4
trailer_max/video/webm	256829700/movie_max_vp9.webm
trailer_max/video/mp4	256829700/movie_max.mp4
microtrailer/video/webm	1512210/360491/67216fc25a6044676aab499340b64f25e084c3ad/1750998750/microtrailer.webm
microtrailer/video/mp4	1512210/360491/67216fc25a6044676aab499340b64f25e084c3ad/1750998750/microtrailer.mp4
screenshot_medium	256829700/movie.293x165.jpg
screenshot_full	256829700/movie_full.jpg
trailer_base_id	360491
all_ages	true
is_highlight	true
timestamp	1619445092
256832211 ↴
trailer_name	Advanced Application Interface
trailer_category	0
trailer_480p/video/webm	256832211/movie480_vp9.webm
trailer_480p/video/mp4	256832211/movie480.mp4
trailer_max/video/webm	256832211/movie_max_vp9.webm
trailer_max/video/mp4	256832211/movie_max.mp4
microtrailer/video/webm	1512210/365001/b2749685990ce2ced20a4327f56ab5d8332db370/1751001043/microtrailer.webm
microtrailer/video/mp4	1512210/365001/b2749685990ce2ced20a4327f56ab5d8332db370/1751001043/microtrailer.mp4
screenshot_medium	256832211/movie.293x165.jpg
screenshot_full	256832211/movie_full.jpg
trailer_base_id	365001
all_ages	true
is_highlight	true
timestamp	1619445099

Launch Options

2. Unnamed launch option

Executable	`UltraEngine.exe`
Launch Type	Launch (Default)
Operating System	windows
CPU Architecture	64-bit only

3. Unnamed launch option

Executable	`UltraEngine.app/Contents/MacOS/AppKit`
Launch Type	Unspecified
Operating System	macos

4. Unnamed launch option

Executable	`UltraEngine`
Launch Type	Launch (Default)
Operating System	linux
CPU Architecture	64-bit only

Configuration

Key	Value
installdir	Ultra App Kit

Ultra App Kit

Additional Information

Supported Languages

Tags

Categories

Assets

Launch Options

Configuration