RPGViewer vs Checknights
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Runtime environment for RPG Maker MV/MZ
- Flash project support
- Ogg audio format compatibility
- Virtual keyboard included
- Quick project testing
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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.
Checknights
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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
Verdict
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
Checknights is free to download; RPGViewer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RPGViewer ships an update every 3 weeks, Checknights fortnightly. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.
| Parameter | RPGViewer | Checknights |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.5 (45 ratings) — better | — |
| Positive reviews | 55.7% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 85 MB | 15 MB |
| Age rating | 9+ | 4+ |
| Developer | Ludan Cui | Sangwoo 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
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- 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
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- 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
RPGViewer
No in-app purchases
Checknights
No in-app purchases









