Comparison

GPT Chess vs Chess Notation Lab

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

Head to head
About

GPT Chess

Engage in chess matches against advanced AI models like ChatGPT and Gemini. Choose between standard rules or a chaotic no-rule mode where AI instructions dictate gameplay. The app features conversational AI during play and offers multiple AI strength levels.

Highlights
  • Play against ChatGPT and Gemini AI
  • Standard chess rules mode
  • No-rule chess mode with AI instructions
  • Multiple AI strength levels
  • Conversational AI during gameplay
  • Minimalist design
Features
Read full description

Play Chess with ChatGPT (OpenAI, GPT 3.5 or GPT 4) or GeminiPro (Google). There are two modes: (A) The standard mode, both you and the AI would follow the standard chess rule, so no illegal move! You can choose between: 1. The native ChatGPT4 API (weakest chess player); 2. Prompt improved GPT4 API (e.g. better chess player); 3. Enhanced backend chess calculation API call with GPT4 (i.e. strongest chess player). (B) The No-Rule chess mode.  In this mode, we strictly follow the instruction provided by ChatGPT AI to make the move. Enjoy a chaotic and hilarious chess game. Don't be surprise if AI makes illegal moves, captures its own piece, generates random pieces, and suicides. :) You can choose different LLM AI: 1. GPT 3.5 (OpenAI); 2. GPT 4 (OpenAI); 3. Gemini Pro from Google. A minimalist design, just start to play, that simple. Also, the ChatGPT will talk to you during the play! Come and see if you can beat the ChatGPT in chess! Link to standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: http://lwdevstudio.github.io/privacy-info.html

About

Chess Notation Lab

Master chess board coordinates and piece movement with this training app. Improve your ability to visualize moves, read notation, and understand square colors. Designed to enhance your chess calculations and potentially boost your rating.

Highlights
  • Identify squares by coordinate
  • Fluid piece movement visualization
  • Translate moves to notation
  • Identify square color
  • Orient on the board
  • Speed up calculation
  • Blind chess practice
Features
Read full description

Welcome to Chess Notation Lab! Are you struggling to identify squares, remember sequences, and follow chess notations? Do you have trouble visualizing Bishop diagonals? Or Knight jumps? Or worse, mapping the available moves for the Queen to get/avoid a deadly fork? This training app is designed to end this misery. There are 2 training modes, each with 5 unique training sessions carefully designed to dramatically uplift your mastery over chess squares and fluid piece movement. A small dose of regular practice will empower you to: 1. Spot a square as soon as you hear or see its coordinate 2. Fluidly move any piece around the board, even without a board 3. Translate a sequence of moves into their notation with ease 4. Immediately identify the color of a square 5. Stay oriented regardless of whether you're white or black 6. Follow along with chess tutorials, books, or discussions at ease and comfort 7. Massively speed up your thought process on any calculation 8. Finally, start playing blind chess! Don't be surprised if you experience a sudden surge in rating simply by improving your square reading skills. The free version is already effective enough to significantly boost your chess career. However, if you want to support me and get the full version, first of all, thanks!! And then just a one-time purchase will unlock: - Longer time controls - Untimed practice mode - Milestones and Achievements and - Complete visualization of your records - Compete with friends over the complete leaderboards There will be no ads, neither in the full version nor in the free one. Just a beautiful and satisfyingly addictive path to mastering squares. The level of comfort you will feel about talking, reading or even thinking about chess is, believe me, just priceless. Caution: If you are rated below 1500, this app may be less useful for you, and tactics training should be prioritized.

Screenshots

GPT Chess3 screens
Chess Notation Lab4 screens

Verdict

The call

The clearest difference is review sentiment: Chess Notation Lab at 100% against GPT Chess's 33%. Chess Notation Lab also leads on rating (5.0 vs 4.1) and update cadence (every 3 days vs every 9 days). GPT Chess's advantage is iOS requirement (16.0 vs 18.6). On price, ratings volume, ads and in-app purchases 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. GPT Chess sells 1 in-app purchase, starting at $1.99 per month and Chess Notation Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chess Notation Lab holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 16 and 6 respectively. Written reviews point the same way: 33% of GPT Chess's written reviews are positive against 100% of Chess Notation Lab's.

UpkeepUpdate frequency

GPT Chess ships an update every 9 days, Chess Notation Lab every 3 days. The most recent releases landed on August 31, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 6 level
GPT Chess versus Chess Notation Lab: the parameters behind the verdict, then further details
ParameterGPT ChessChess Notation Lab
PriceFreeFree
Rating4.1 (16 ratings)5.0 (6 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings16 — better6
Update frequencyEvery 9 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.6
Further details — not scored
Size88 MB26 MB
Age rating4+4+
DeveloperFusionX Tech LLCNishat Majid

Customer experience

GPT Chess

All ratings16 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews6 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Chess Notation Lab

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

GPT Chess

Subscriptions1
  • Unlimited APIs3 Days trial$1.991 Month
1 purchases

Chess Notation Lab

One-time1
  • Full Version$9.99

Questions

Is GPT Chess free?
GPT Chess is free to download, with in-app purchases available.
Is Chess Notation Lab free?
Chess Notation Lab is free to download, with in-app purchases available.
Which has better reviews, GPT Chess or Chess Notation Lab?
Chess Notation Lab is rated higher. GPT Chess averages 4.1 out of 5 from 16 ratings, while Chess Notation Lab averages 5.0 from 6 ratings.
Do GPT Chess or Chess Notation Lab have ads?
Neither GPT Chess nor Chess Notation Lab shows ads.
Which is updated more often, GPT Chess or Chess Notation Lab?
GPT Chess ships an update every 9 days, and Chess Notation Lab every 3 days. Most recently, GPT Chess was updated on August 31, 2026 and Chess Notation Lab on September 7, 2026.

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