Comparison

ChessThink vs Nimzo

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

Head to head
About

ChessThink

This app provides powerful chess engine analysis using Stockfish, the world's strongest engine. It offers tools for studying openings, reviewing games, training against AI, and exploring chess variants. Analyze any position, detect blunders, and improve your game with precision tools and an intuitive interface.

Highlights
  • Stockfish chess engine analysis
  • Position setup and exploration
  • Chess960 and variants support
  • AI bot training with adjustable difficulty
  • Pass & Play mode for local multiplayer
  • Offline analysis capability
  • Customizable visual themes
Features
Read full description

Powerful chess engine analysis meets intuitive design. ChessThink brings Stockfish - the world's strongest chess engine - to your fingertips with professional-grade position analysis and training tools. Whether you're studying openings, reviewing games, or training against AI opponents, ChessThink provides the precision analysis tools you need to elevate your chess game. CHESS ENGINE ANALYSIS - Powered by the latest Stockfish engine for master-level evaluation - Real-time evaluation bar showing position strength - Complete move history with full engine integration - Blunder detection and strategic insights - Syzygy tablebase explorer with improved interface POSITION SETUP & EXPLORATION - Position Setup editor — analyze any position you want - Comprehensive opening explorer database - Deep analysis of any game or variation - Perfect for studying famous games and strategies CHESS960 & VARIANTS - Full Chess960 (Fischer Random Chess) support - NEW: Double Fischer Random Chess (DFRC) - Explore beyond classical chess positions TRAIN WITH AI BOTS - Play against unique AI bots with personalities - Adjustable difficulty levels for all skill ranges - Streak tracking with time controls - Tournament mode for competitive practice - Learn from every game with engine feedback PLAY WITH FRIENDS - Pass & Play mode — two players, one device - 3-step game configuration wizard - Compact chess clock around the board - Dedicated game results screen CUSTOMIZATION & DESIGN - 6 stunning visual themes - Bottom tab navigation with Explore screen - Intuitive interface for beginners and masters alike - Offline analysis — train anywhere, anytime PERFECT FOR → Players seeking deeper chess analysis and game review → Tournament competitors preparing with a powerful chess engine → Coaches using professional-grade teaching tools → Chess960 enthusiasts exploring Fischer Random positions → Anyone passionate about improving their chess WHY CHESSTHINK? ChessThink combines the analytical power of the Stockfish chess engine with a polished, modern interface. No subscriptions required for core chess analysis features. Regular updates bring new capabilities and improvements. Download ChessThink and transform your approach to chess analysis. Train with confidence. Analyze with precision. Play with mastery.

About

Nimzo

Master chess openings with a smart flashcard system that uses spaced repetition to build lasting memory. Actively recall moves and variations to keep your repertoire sharp and ensure your preparation sticks when it matters most.

Highlights
  • Smart flashcard review system
  • Personal opening repertoire building
  • Memorize main lines and variations
  • Earn XP and track progress
  • Create custom or community decks
  • Spaced repetition learning
Features
Read full description

Are chess openings holding back your progress? Ever study an opening—only to forget it when you're at the board? Nimzo uses a smart flashcard system that shows you opening lines exactly when you're about to forget them. By reviewing at the right moment, you build lasting memory so your preparation actually sticks when it matters most. Instead of passively reading theory, you actively recall moves and variations through spaced repetition — the proven method for long-term retention. Over time, Nimzo learns what you know and what you don't, keeping your repertoire sharp without wasting time on lines you've already mastered. With Nimzo you can (subscription required): - Study opening lines through a smart flashcard review system - Build and maintain a personal opening repertoire over time - Memorize main lines and variations so they stick at the board - Earn XP for study activity and track your progress over time - Create your own decks or study decks shared by the community Whether you're preparing a full repertoire or picking up a new opening for the first time, Nimzo makes sure you never forget your preparation when it counts. --- SUBSCRIPTION INFORMATION Access to Nimzo requires a subscription. Please be aware of the following: - Payment will be charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current period - Your account will be charged for renewal within 24 hours prior to the end of the current period at the cost of the chosen subscription plan - Subscriptions may be managed by the user and auto-renewal may be turned off by going to Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription, where applicable --- Terms of Use: https://nimzochess.com/termsofuse Privacy Policy: https://nimzochess.com/privacypolicy Terms & Conditions: https://nimzochess.com/termsandconditions

Screenshots

ChessThink4 screens
Nimzo4 screens

Verdict

The call

The clearest difference is in-app purchases: ChessThink at none against Nimzo's 4. ChessThink also leads on rating (4.3 vs 4.0) and iOS requirement (16.4 vs 18.0). Nimzo's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume 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

Both are free to download. Nimzo sells 4 in-app purchases, starting at $4.99 per month. ChessThink asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ChessThink holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

UpkeepUpdate frequency

ChessThink ships an update every 2 months, Nimzo every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard6 real differences · 4 level
ChessThink versus Nimzo: the parameters behind the verdict, then further details
ParameterChessThinkNimzo
PriceFreeFree
Rating4.3 (4 ratings) — better4.0 (4 ratings)
Positive reviews0.0% of reviews—
Number of ratings44
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better18.0
Further details — not scored
Size144 MB51 MB
Age rating4+12+
DeveloperDawid WrzesinskiMaximilian Leiwig

Customer experience

ChessThink

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Nimzo

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

ChessThink

No in-app purchases

4 purchases

Nimzo

Subscriptions4
  • Monthly access3 Days trial$4.991 Month
  • Monthly access$8.991 Month
  • Yearly access3 Days trial$49.991 Year
Show 1 more
  • Yearly access3 Days trial$89.991 Year

Questions

Is ChessThink free?
ChessThink is free to download, with no in-app purchases.
Is Nimzo free?
Nimzo is free to download, with in-app purchases available.
Which has better reviews, ChessThink or Nimzo?
ChessThink is rated higher. ChessThink averages 4.3 out of 5 from 4 ratings, while Nimzo averages 4.0 from 4 ratings.
Do ChessThink or Nimzo have ads?
ChessThink shows ads; Nimzo does not.
Which is updated more often, ChessThink or Nimzo?
ChessThink ships an update every 2 months, and Nimzo every 2 weeks. Most recently, ChessThink was updated on October 30, 2026 and Nimzo on November 5, 2026.

Other comparisons