Chess Move vs Index Unknown
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chess Move
This app helps chess players find the best moves using a powerful cloud-based engine. It allows users to set up board positions manually or via camera scan, and customize analysis depth and engine settings for in-depth game review.
- Best move calculation
- Cloud-based Stockfish engine
- Board setup via drag-and-drop
- Camera position scanning
- Customizable engine presets
- Multiple analysis lines
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Introducing ChessMovePro, the all-new powerful move calculator that lets users find the best move in seconds! The app calculates the best lines using powerful dedicated servers running Stockfish 16 in the cloud. ChessMovePro offers a wide variety of customizations that allow users to find the best move quickly. Users can set up their board by dragging and dropping pieces onto the setup board to match the app to their current board position. Next head over to the analysis screen where you can see the best moves and lines at a glance. Customize the engine preset in order to increase depth, get more lines, change the elo target or increase think time. ChessMovePro allows users to use their camera to scan chess positions and find the best moves to play within seconds. The dedicated Stockfish servers ensure only the best moves are shown and that users can analzye games at the highest level. In the settings, users can customize the look of their app with various boards and app colors. Upgrade to ChessMovePro in order to unlock the full suite of customizations for the app and take your experience to the next level! How do I use Chess Move Pro? After opening the app users first have to setup their chess board. Take advantage of the apps scanning feature and pull out your camera to caputre the position or place the chess pieces in the correct squares. Next hit the analyze button and Chess Move Pro will analyze your current chess position using cloud Stockfish 15.1 servers that will find the best next chess move for you to play. If you don't like the next chess move that the app suggests hit the re-calculate button in order to calculate a new best move for the current position. Terms and Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Index Unknown
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Venture into the unknown. Uncover the logic behind every puzzle. • 50 individually designed puzzles • Four difficulty collections with a steep rise in complexity • Logic, spatial, visual, word, mathematical, and discovery-based challenges • Little to no instructions • No ads or time limits • Playable offline The first three collections contain 30 puzzles, ranging from approachable experiments to demanding multi-step challenges. An optional in-app expansion pack unlocks the "Very Hard" collection consisting of 20 puzzles created for experienced solvers. This is not simply another step up. Its deepest challenges may take hours, days, or even longer to unravel. Look closely. Test your assumptions. Find the rule that was there all along.
Screenshots
Verdict
The clearest difference is update cadence: Index Unknown at every 5 days against Chess Move's every 3 weeks. Chess Move's advantage is iOS requirement (13.0 vs 15.0). On price, 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
Both are free to download. Chess Move sells 17 in-app purchases, starting at $3.99 per 7 days and Index Unknown sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Chess Move ships an update every 3 weeks, Index Unknown every 5 days. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.
| Parameter | Chess Move | Index Unknown |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (1.1K ratings) — better | — |
| Positive reviews | 26.6% of reviews | — |
| Number of ratings | 1.1K — better | — |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 37 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Setse LLC | Sittu Canada Inc. |
Bugs and requests
Chess Move
Reported bugs
3 issues- Pieces not detected correctly
- Moves suggested in wrong direction
- App crashes on launch or during use
Requested features
3 requests- Add ability to save board positions
- Improve piece detection and move suggestions
- Provide more free analysis options
Index Unknown
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chess Move
- ChessMovePro - Premium$3.997 Days
- ChessMovePro - Monthly$3.991 Month
- ChessMovePro - Premium$4.991 Month
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- ChessMovePro - Premium$7.991 Month
- ChessMovePro (Weekly)$7.997 Days
- ChessMovePro - Hidden Discount$9.991 Year
- ChessMovePro (Monthly)$9.991 Month
- ChessMovePro - Premium$14.991 Year
- ChessMovePro - Premium3 Days trial$14.991 Year
- ChessMovePro - Premium3 Days trial$19.991 Year
- ChessMovePro - Premium$19.991 Year
- ChessMovePro (Quarterly)$19.993 Months
- ChessMovePro7 Days trial$29.991 Year
- ChessMovePro (Yearly)$29.991 Year
- ChessMovePro (Yearly)3 Days trial$39.991 Year
- ChessMovePro (Yearly)3 Days trial$49.991 Year
- ChessMovePro7 Days trial$49.991 Year
Index Unknown
- Expansion Pack - Very Hard$4.99







