Numbers Slide vs DeltaChess
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Numbers Slide
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Discover NumSlide, the addictive sliding puzzle that challenges your strategy and quick thinking! Slide tiles on a 4x4 grid to merge numbers and rack up the highest score. Start with 1s and 2s, combining them into ever-larger powers of two – can you reach beyond 1024? Key Features: Swipe to slide: Move tiles up, down, left, or right with simple gestures. Smart merging: Combine two 1s into 2, two 2s into 4, and identical tiles from 4 onwards to double up. Score big: Every merge adds to your score – aim for combos by merging multiple pairs in one move! Undo mistakes: Rewind your last move to keep the game going. Endless challenge: New tiles appear after each move, but watch out – fill the board without merges, and it's game over! Track progress: Beat your high score and resume games anytime. Perfect for puzzle lovers seeking a fresh twist on classic number games. Easy to learn, hard to master – download NumSlide and start sliding today!
DeltaChess
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Step into the world of DeltaChess — where every move matters. DeltaChess blends elegance, strategy, and intelligence, helping players of all levels learn, practice, and play like a pro. Key Features: • Online Matches – Play live games against real players worldwide. Test your skills in real time and experience true competitive chess. • Engine Analysis (Stockfish 17) – Get instant move evaluations, suggested lines, and live performance graphs in real time. • AI Commentary – Understand why a move was brilliant or a critical blunder with human-like explanations. • Puzzle Trainer – Sharpen your skills with 100,000+ adaptive puzzles. The auto-next feature ensures seamless, focused practice. • Interactive Chessboard – Enjoy buttery-smooth drag & drop or tap-to-move controls, with elegant animations and highlighting. • Opening Explorer – Build your repertoire with the integrated ECO database and discover your next winning weapon. • Branch System – Freely explore alternative lines without affecting your main game. • Editor Mode – Set up any position, explore “what-if” scenarios, and experiment freely. • FEN & PGN Support – Import or export any position or full game effortlessly. • Smart Validation Engine – Ensure every setup and move follows chess rules with accurate move enforcement and realistic gameplay. • Move History & Undo/Redo – Review, replay, and learn from your games, move by move. • Fully Offline Capable – Your training doesn’t stop when your internet does. Perfect for flights, commutes, or dedicated study sessions. • Live analysis – Real-time sync of analysis state with voice chat tied to live analysis rooms. DeltaChess is more than an app — it’s your personal trainer, strategist, and companion, all in one. Download DeltaChess today and elevate your chess game!
Screenshots
Verdict
The clearest difference is in-app purchases: Numbers Slide at none against DeltaChess's 3. DeltaChess's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 17.6). On price, ads 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
Numbers Slide costs $0.99 and DeltaChess $0.99 up front. DeltaChess sells 3 one-off in-app purchases. Numbers Slide asks for nothing beyond the download.
Numbers Slide ships an update every 2 weeks, DeltaChess every 4 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | Numbers Slide | DeltaChess |
|---|---|---|
| Price | $0.99 | $0.99 |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 156 MB |
| Age rating | 4+ | 4+ |
| Developer | Marius Fanu | Sezgin Serin |
In-app purchases
Numbers Slide
No in-app purchases
DeltaChess
- Developer Tip – Small$0.99
- Developer Tip – Medium$9.99
- Developer Tip – Large$99.99









