Add GIF to Video and Photo icon
AfterFocus - Background Blur icon
Any Font for Safari icon
+51

Dongwook Cho

For casual iOS users seeking quick, functional solutions for photo manipulation and browser-based workflow enhancements.

54apps3.0(914.4K) Multi-theme

Snapshot

Who is Dongwook Cho?

Providing specialized photo editing and Safari utility tools to enhance mobile productivity and creative expression.

Target audience

Casual iOS users seeking quickFunctional solutions for photo manipulationBrowser-based workflow enhancements

Active nemesis

Adguard Software

Other rivals

Portfolio

Free 7
54
apps
Photo & Video41
Utilities10
Entertainment1
Productivity1

Last updated

Auto Sticker Maker

v6.0.4

9mo ago

Active

Publisher DNA

What defines Dongwook Cho?

Publisher DNA

Primary focus

Photo & Video editing tools and Safari utilities

Scale

studio

Target audience

Casual iOS users seeking quick, functional solutions for photo manipulation and browser-based workflow enhancements.

Signature Patterns

  • •High concentration of single-purpose photo editing and Safari browser utilities.
  • •Monetization strategy leans heavily on free-to-use models with broad consumer appeal.
  • •Frequent use of descriptive, keyword-heavy naming conventions to drive organic store discovery.
  • •Portfolio characterized by a high volume of legacy apps with limited recent update activity.
Active

Portfolio momentum

Released 10 updates across 49 apps in the last 6 months, with a mix of active utility tools and a significant number of legacy, unmaintained titles.

Last release 7d agoActive apps 14Abandoned 35

Portfolio

What does Dongwook Cho ship?

Apps

54 apps analysed

Analysis in progress

  • Core streaming library provides consistent entertainment value for long-term subscribers
  • Persistent playback failures and loading screen freezes disrupt the viewing experience

Distributed across 5 markets, strongest in Asia-Pacific.

Based on 8 of 54 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (2)

  • United States8 / 8
  • Mexico2 / 8

Europe (1)

  • Spain2 / 8

Asia-Pacific (2)

  • Japan8 / 8
  • South Korea8 / 8

Core markets (8/8 apps)

JapanSouth KoreaUnited States

User Sentiment

How do users feel about their apps?

Unlock the app dragging this portfolio down.

Access the full report for free

Rivals

Who does Dongwook Cho compete with?

The rivals identified

Nemeses(5)

Adguard Software

known forAdGuard Ad Blocker for Safari

1 app4.3EntertainmentPhoto & Video

Users report: Leverages a massive, established reputation in content blocking to capture users looking for broader privacy and utility tools.

Deep Flow Apps

known forRetake AI: Face & Photo Editor

1 app3.8Photo & Video

Both apps target social media users seeking to improve photo quality, with AfterFocus focusing on manual depth-of-field adjustments and Retake AI on automated facial retouching.

Thomas Tsopanakis

known forTally Counters

1 app4.6Utilities

This app is the primary market leader in the tally category, directly competing for the same utility-focused user base that requires persistent, reliable counting.

Video Lite

known forVideo Lite

1 app4.8Photo & Video

Dominates the video-utility space with a massive user base and high-frequency update cadence that dwarfs the target app's maintenance cycle.

Viko & Co

known forSticker Maker Studio

1 app4.7Photo & Video

This app dominates the exact same niche of WhatsApp-focused sticker creation with a massive, established user base and consistent update cadence.

Contenders(16)

1Blocker

known for1Blocker: Ad Blocker

1 app3.8EntertainmentPhoto & Video

A strong utility-category competitor that provides granular control over web content, appealing to the same power-user demographic.

Alan Cushway

known forBlur Photo Effect Background

1 app4.7Photo & Video

Both apps target users seeking background blur and depth-of-field effects, but the rival captures a larger audience through free-to-start pricing and automated AI detection.

Chuk Fong Ng

known forCount IT Number Counter

1 app5.0Utilities

It targets the same utility-seeking demographic by combining basic counting with secondary productivity tools like calculators.

Crypto

known forAdBlock Pro for Safari

1 app4.5Entertainment

A long-standing Safari extension that provides a direct alternative for users seeking a dedicated ad-blocking utility.

Ghostwheel

known forFabFocus - Portrait Mode Blur

1 app4.7Photo & Video

Both apps target users seeking to add portrait-style depth and bokeh effects to photos without requiring dual-lens hardware.

Giphy

known forGIPHY: The GIF Search Engine

1 app4.8Photo & Video

The industry standard for GIF-based communication, acting as a massive indirect competitor for sticker usage.

Grey Desk SA

known forBlur Photo

1 app4.4Photo & Video

Both apps target users seeking to apply depth-of-field effects to mobile photos, with Blur Photo capturing a larger audience through a free-to-start model compared to the upfront cost of AfterFocus.

Matt Longmire

known forWhen oh When

1 app5.0Utilities

It overlaps with the target by providing advanced data logging and analysis for users who need more than just a simple counter.

Mosaic S.r.l.

known forFocos

1 app4.7Photo & Video

Both applications target mobile users seeking DSLR-like depth-of-field effects, with Focos competing for the same audience through advanced optical simulation tools.

NAVER Z

known forSticker.ly - Sticker Maker

1 app4.4Photo & Video

A massive social-first competitor that bridges the gap between sticker creation and social discovery.

Near Future Marketing

known forWatchTally

1 app4.5Utilities

This app competes by offering specialized input methods like voice and emoji labeling for a more personalized counting experience.

Ramkumar Vellaisamy

known forTally Counter: Habit Tracker

1 app4.8Utilities

This app directly challenges the target by positioning itself as a comprehensive habit and goal management tool.

Both apps target users seeking DSLR-style portrait depth and background blur effects on mobile devices. Phocus competes directly by offering a free, high-rated alternative to the paid manual masking workflow of AfterFocus.

Shenzhen Tushi Technology Co.

known forPhoto Retouch-Object Removal

1 app4.5Photo & Video

Both apps target casual photographers seeking to improve image quality, with AfterFocus focusing on depth-of-field and Photo Retouch on object removal.

SUNWOONG JANG

known forBlur Photo Background

1 app4.3Photo & Video

Both apps target users requiring manual photo editing for background obscuration and depth simulation, creating direct competition for the same mobile editing use case.

TRUESIGHT PTE

known forEvoto-AI Photo Editor&Retouch

2 apps4.9Photo & Video

Both apps target portrait photography enhancement, with AfterFocus providing manual depth simulation while Evoto automates high-volume retouching for professional workflows.

Same space(27)

Photoroom

known forPhotoroom: AI Photo & Video

1 app4.7Photo & Video

Photoroom targets the same photography audience but focuses on e-commerce utility through automated background removal and batch editing.

Xiamen Meitu Technology Co.

known forMeitu- AI Photo & Video Editor

3 apps4.5Photo & Video

Meitu targets the same social media creators by offering an all-in-one suite that includes AI art effects alongside standard retouching.

Adobe

known forPhotoshop Express Photo Editor

1 app4.5Photo & Video

Photoshop Express competes for the same creative audience by offering automated AI background removal as a standard feature, contrasting with AfterFocus's manual masking.

And a Dinosaur

known forVinegar - Tube Cleaner

1 app4.3Photo & Video

Directly addresses the 'video cleaning' niche by replacing the native player with a custom HTML5 implementation.

Bending Spoons

known forRemini - AI Photo Enhancer

1 app4.1Photo & Video

Remini targets the same photography audience by providing high-fidelity AI restoration for blurry images, a common issue for AfterFocus users.

Bending Spoons Apps ApS

known forAlight Motion

2 apps4.1Photo & Video

Alight Motion targets the same creative audience but focuses on professional motion graphics and vector animation.

Brave Software

known forBrave Browser & Search Engine

1 app4.8Entertainment

While a full browser, Brave's core value proposition is built-in, out-of-the-box ad blocking for all web content.

BRIJIT SHEELIA

known forTimer - Configurable Timer

1 app4.4Utilities

It serves the same 'time and count' utility category, often used by the same productivity-focused user base.

Bytedance Pte

known forHypic - Photo Editor & AI Art

2 apps3.8Photo & Video

Hypic serves the same aesthetic-focused audience with AI-driven filters and digicam looks that compete for screen time.

Canva

known forCanva: AI Video & Photo Editor

1 app4.9Photo & Video

A broad-spectrum design platform that captures users who need more than just simple sticker creation tools.

COOL SUMMER

known forAI Photo Video Editor, Enhance

1 app4.5Photo & Video

AI Photo Video Editor, Enhance targets the same casual user segment with viral-ready generative features rather than manual editing tools.

Daniel De Azcarate Munoz

known forWakeNow: Loud Alarm Clock

1 app4.9Utilities

While a different primary function, it competes for the same 'utility' home screen real estate and user attention.

DAZZ PTE

known forDazz Cam - Vintage Camera

1 app4.8Photo & Video

Dazz Cam targets the same photography enthusiasts but focuses on authentic film textures rather than the digital depth effects of AfterFocus.

DuckDuckGo

known forDuckDuckGo, Duck.ai, & VPN

1 app4.7Entertainment

A major privacy-centric browser that competes by offering comprehensive tracking protection and ad-blocking capabilities.

FaceApp Technology

known forFaceApp: Perfect Face Editor

1 app4.3Photo & Video

FaceApp serves the same portrait-editing audience by offering photorealistic AI transformations that are more automated than manual masking.

imec-mict-UGent

known formobileDNA

1 app3.0Utilities

It competes for the user's interest in monitoring and tracking personal statistics, albeit from a diagnostic perspective.

Jeff Johnson

known forStopTheMadness Pro

1 app4.7Photo & Video

Targets the same 'annoyance removal' intent by stripping away restrictive web behaviors and UI elements.

Lightricks

known forFacetune: Photo & Video Editor

1 app4.6Photo & Video

Facetune targets the portrait-editing segment of the audience, prioritizing generative AI headshots over the manual depth-of-field focus of AfterFocus.

Minimis Technologies

known forMinimis Phone

1 app4.2Utilities

It shares the target's philosophy of simplicity and efficiency, competing for the user's home screen focus.

Mozilla

known forFirefox: Private Web Browser

1 app4.6Entertainment

A trusted browser alternative that offers enhanced tracking protection and ad-blocking extensions for mobile users.

MWM

known forism: digital camera & filter

1 app4.7Photo & Video

ISM targets the same casual photography audience by focusing on one-tap filter application instead of the manual depth-masking workflow.

Opera Norway AS

known forOpera: AI browser with VPN

1 app4.7Entertainment

A feature-rich browser that includes built-in ad blocking and AI tools to enhance the mobile web experience.

PicsArt

known forPicsart AI Photo Editor, Video

2 apps4.0Photo & Video

Picsart serves the same creative user base but replaces manual depth tools with a massive library of 60M+ assets and conversational AI.

PIXOCIAL TECHNOLOGY (SINGAPORE) PTE

known forBeautyPlus-Selfie Photo Editor

2 apps4.6Photo & Video

BeautyPlus serves the same selfie-focused audience by combining automated retouching with generative AI tools.

Prequel

known forPrequel: Photo & Video Editor

1 app4.7Photo & Video

Prequel addresses the same aesthetic-focused users by offering D3D depth-mapping tools that automate the motion-graphics effects AfterFocus lacks.

SHANTANU PTE

known forInShot - AI Video Editor

2 apps4.9Photo & Video

InShot serves the same social media creator audience by providing an all-in-one editing suite that includes advanced video tools.

Visual Supply Company

known forVSCO: Photo Editor & Presets

1 app3.5Photo & Video

VSCO targets the same photography-focused users but shifts the value from manual depth control to a brand-identity preset library.

New entrants(5)

Ghostery

known forGhostery Privacy Ad Blocker

1 app4.4EntertainmentPhoto & Video

A high-velocity entrant with 14 releases in six months, signaling a rapid push into the Safari extension market.

Atmana Tech

known forBlockerX Pro: Content Blocker

1 app4.2Photo & Video

An emerging productivity-focused blocker that is actively expanding its footprint in the content-filtering category.

Lunar Apps

known forMission – Alarm Clock

1 app0.0Utilities

A new entrant in the utility space that emphasizes data-driven tracking and privacy-first design.

Lyrebird Studio

known forToonapp: AI Photo & Video Art

2 apps4.5Photo & Video

An emerging threat leveraging AI-art filters to capture the same casual creative audience as the target app.

Sylviory Dubuisson

known forPitch Counter · Tally & Count

1 app0.0Utilities

A direct competitor that recently entered the market with a focus on haptic feedback and session history.

The Analyst's Read

The bottom line on Dongwook Cho

Bottom line

The publisher operates a high-volume utility studio that successfully leverages keyword-driven discovery to maintain a massive user base for specific, narrow-use tools. Their long-term viability depends on their ability to continue identifying and shipping small-scale utilities that address immediate user friction points.

Frequently asked questions

How many apps does Dongwook Cho publish?
Dongwook Cho has 54 apps tracked by Marlvel, primarily in the Photo & Video category.
What kind of apps does Dongwook Cho make?
Dongwook Cho's portfolio is concentrated in Photo & Video and Utilities, with an average rating of 3.0/5 across rated apps.
What is Dongwook Cho's top app?
By review volume across the portfolio, Auto Sticker Maker is Dongwook Cho's best-known app tracked by Marlvel.
In how many countries are Dongwook Cho's apps available?
Marlvel has tracked Dongwook Cho's apps across 5 countries.

What fed this analysis

Apps analyzed:
49
With full intel:
2
With overview:
49
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Dongwook Cho, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Dongwook Cho intelligence.” Updated 2026-05-05. https://marlvel.ai/publishers/dongwook-cho

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Data licensed under CC-BY-NC 4.0