Comparison

Chess Converter vs Blunder

Price, ratings, monetisation and update history for both games, side by side โ€” with what reviewers say about each.

Head to head
About

Chess Converter

This app converts your chess games into shareable videos. Replay your best moves, edit the game's move list, and add audio commentary. Preview and export your chess game as a video to your device or an external screen.

Highlights
  • Convert chess games to video
  • Replay and edit game moves
  • Add audio commentary to moves
  • Preview video on device or external screen
  • Export and share videos
Read full description

Chess Converter is an innovative app that transforms your chess games into videos directly from your mobile device. Replay your best moves from a new perspective and easily share them with your friends. With Chess Converter, you can: - Play and replay chess games, - Navigate through and edit the list of moves, - Convert a chess game into a video, - Preview the generated video on: - Your device, - Any AirPlay-compatible external screen, - Export and easily share the generated video. - Record an audio commentary for each move!ย  Please note that audio recording is not compatible with all iPhones.

About

Blunder

Read full description

Take a photo, open it in Blunder, and start exploring a chess position. Super fast! Blunder turns photos and screenshots of chessboards into interactive positions, with quick access to the camera and your photo library. FROM PHOTO TO POSITION - Recognize boards in screenshots and photos, including photos taken at an angle. - Automatically detect the board orientation. - Infer whose turn it is from highlighted last-move squares when available, or change the side to move yourself. EXPLORE THE BEST MOVES - View Stockfish analysis powered by Lichess. - Choose how many alternative lines to show. - Tap moves in a line to explore the continuation. - Choose an analysis time and available engine options. - Switch between the Blunder analysis view and the Lichess view. BUILD YOUR CHESS LIBRARY - Revisit recent games in a visual board gallery. - Save favorites and organize positions into folders. - Sync your library with iCloud across iPhone and iPad. - Turn off automatic history while keeping your favorites and organized games. SHARE AND CONTINUE Share positions as FEN, or open them in Lichess or Chess.com. Blunder requires iOS 26 or later. Internet access is required for Lichess analysis. Recognition results can vary with image quality and board design. BLUNDER PRO Your first 20 scans are free. Blunder Pro unlocks unlimited scans with a monthly or yearly subscription, or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel them in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lucas.io/privacy

Screenshots

Chess Converter4 screens
Blunder4 screens

Verdict

The call

The clearest difference is update cadence: Blunder at every 3 days against Chess Converter's every 2 months. Chess Converter's advantage is iOS requirement (17.5 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Chess Converter sells 2 in-app purchases, starting at $3.99 per month and Blunder sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chess Converter ships an update every 2 months, Blunder every 3 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard2 real differences ยท 6 level
Chess Converter versus Blunder: the parameters behind the verdict, then further details
ParameterChess ConverterBlunder
PriceFreeFree
Positive reviews66.7% of reviewsโ€”
Update frequencyEvery 2 monthsEvery 3 days โ€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.5 โ€” better26.0
Further details โ€” not scored
Size15 MB21 MB
Age rating4+4+
DeveloperGoldgewicht ConsultingLucas Raggers

In-app purchases

2 purchases

Chess Converter

Subscriptions2
  • Premium Monthly$3.991 Month
  • Premium Annual$39.991 Year
3 purchases

Blunder

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$6.991 Year
One-time1
  • Lifetime$4.99

Questions

Is Chess Converter free?
Chess Converter is free to download, with in-app purchases available.
Is Blunder free?
Blunder is free to download, with in-app purchases available.
Do Chess Converter or Blunder have ads?
Neither Chess Converter nor Blunder shows ads.
Which is updated more often, Chess Converter or Blunder?
Chess Converter ships an update every 2 months, and Blunder every 3 days. Most recently, Chess Converter was updated on October 24, 2026 and Blunder on October 26, 2026.

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