Comparison

RPGViewer vs Checknights

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RPGViewer

Run RPG Maker MV/MZ and Flash projects with this runtime environment. It supports Ogg audio and includes a virtual keyboard for an optimized experience. Quickly test and verify your game projects.

Highlights
  • Runtime environment for RPG Maker MV/MZ
  • Flash project support
  • Ogg audio format compatibility
  • Virtual keyboard included
  • Quick project testing
Features
Read full description

RPGViewer provides a runtime environment for RPGMV/RPGMZ and Flash projects. It also includes the following optimizations: * Compatible with the ogg audio format. No need to re-encode audio to m4a for playback. * Adds a virtual keyboard. Supports common button functions, with customizable button layouts planned for future updates. * Supports remote loading of Flash files via URL. What you can do with RPGViewer: * Run your existing RPGMV projects, or work-in-progress demos, to quickly preview and verify them on the go. * Quickly try out swf Flash files. Notes: * This app provides a runtime environment only and does not include any runnable content. Please make sure the projects you run are obtained through legitimate channels. * The runtime environment provided by this app uses generic technology. It does not modify the source code of RPGMV/Flash projects, nor does it emulate RPGMV/Flash.

About

Checknights

Features
Read full description

Checknights는 '명일방주'의 비공식 어시스턴트 앱입니다. 주요 기능: 이벤트 정보: 현재 및 예정된 이벤트 정보와 획득 가능한 재료를 확인할 수 있습니다. 재료 필터링: 원하는 재료를 쉽게 찾고 관련 이벤트를 확인할 수 있습니다. 이성 관리: 현재 이성 수치를 저장하고 자동으로 회복 시간을 계산해 170에 도달했을 때 알려줍니다. 훈련 교체 타이머: 아이린/로고스 교체 시간을 계산하고 교체 시간 10분 전 알림을 통해 잊지 않게 도와줍니다. 각종 계산기 : 공개채용, 육성 자원, 남은 가챠 수 계산기를 제공합니다. 위젯 : 위젯을 통해 모든 내용을 편하고 쉽게 확인 가능합니다. 이 앱은 게임 서버와 직접 연동되지 않으며, 닉네임은 단순 식별자로만 사용됩니다.  모든 계산과 타이머 기능은 로컬 및 전용 서버에서 이루어져 게임 계정 보안에 영향을 주지 않습니다.

Screenshots

RPGViewer4 screens
Checknights4 screens

Verdict

The call

The clearest difference is price: Checknights at Free against RPGViewer's $4.99. RPGViewer's advantage is iOS requirement (15.1 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Checknights is free to download; RPGViewer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RPGViewer ships an update every 3 weeks, Checknights fortnightly. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
RPGViewer versus Checknights: the parameters behind the verdict, then further details
ParameterRPGViewerChecknights
Price$4.99Free — better
Rating3.5 (45 ratings) — better—
Positive reviews55.7% of reviews—
Number of ratings45 — better—
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 — better17.6
Further details — not scored
Size85 MB15 MB
Age rating9+4+
DeveloperLudan CuiSangwoo Han

Bugs and requests

RPGViewer

Reported bugs

56 issues
  • CG errors
  • Black screen on video playback
  • Button presses also register as touches
  • Black screen after changing positions
  • Movie folder glitches
Show 51 more
  • Save file import/export not working
  • Cannot import/export saves
  • SyntaxError: JSON Parse error: Unrecognized token '<'
  • Games with foreign language filenames fail to run
  • Audio files not playing
  • Mouse issues (holding left button)
  • Virtual pad input lag/ghosting
  • Game crashes randomly
  • Cannot save game
  • Corrupted app requiring re-download
  • Infinite loading screens
  • Loss of progress on re-download
  • Sound disappears after switching apps
  • Virtual mouse not working for some games
  • Touch not working in certain sections
  • Game files disappear after update
  • Games not showing up after re-opening app
  • Error when adding games (folder already exists)
  • Material loss in H5 games
  • iPad cannot play in landscape, buttons incomplete
  • No sound in certain games on iPad
  • App thinks RPG Maker is HTML5
  • Cannot load OGG audio with OGG compatibility enabled
  • No sound for RPGMVO audio format
  • Cannot load save files
  • Stuck on save screen
  • Cannot click/interact in some games
  • Screen clipping on iPad
  • Games not loading (stuck on loading screen)
  • Cannot add games (stuck on loading screen)
  • Display bugs (games not showing up)
  • PNG images not opening
  • Black screen on launch
  • Cannot load image effects
  • Cannot import files (no www folder)
  • Cannot interact with elements
  • Game not running after removing folder
  • No sound after update
  • Audio issues after switching apps
  • Laggy performance
  • Games larger than 1GB don't run
  • Cannot play games requiring specific keyboard keys
  • Cannot save/load games
  • Project initialization displayed every time
  • Cannot load save data from cheat menu
  • Games not responding to clicks
  • Cannot use mouse function
  • Cannot click or use
  • Games not running, showing black screen
  • Cannot import games
  • No sound in games

Requested features

25 requests
  • Customizable button layout
  • Portrait mode button customization
  • Game folder organization
  • Rename games
  • Game exit button
Show 20 more
  • Script auto-translation
  • Dark mode
  • RPG Maker XP/VX Ace support
  • Wolf RPG Editor support
  • Keyboard support/virtual keyboard
  • Adjustable screen panning
  • Option to disable screen panning
  • Full-screen game registration
  • More control buttons
  • Editable control buttons
  • Custom gamepad inputs
  • Adjustable game performance
  • Edit game icons
  • ONS simulator support
  • Cheat menu integration
  • File management within app
  • Flash side-scroller support
  • More engine support
  • APK or Windows emulator option
  • Better resolution scaling

Checknights

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

RPGViewer

No in-app purchases

None

Checknights

No in-app purchases

Questions

Is RPGViewer free?
RPGViewer costs $4.99, with no in-app purchases.
Is Checknights free?
Checknights is free to download, with no in-app purchases.
Do RPGViewer or Checknights have ads?
Neither RPGViewer nor Checknights shows ads.
Which is updated more often, RPGViewer or Checknights?
RPGViewer ships an update every 3 weeks, and Checknights fortnightly. Most recently, RPGViewer was updated on September 28, 2026 and Checknights on September 17, 2026.

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