Comparison

Chessvision.ai eBook Reader vs logcal

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

Head to head
About

Chessvision.ai eBook Reader

Transform chess eBooks into interactive learning tools. Instantly view board setups from diagrams with a double-tap. Organize your library, analyze positions with engines, and create study sheets.

Highlights
  • Interactive diagram analysis
  • Organize chess eBooks
  • Analyze with chess engines
  • Create PDF study sheets
  • Export to PGN
  • Search and filter diagrams
  • Discover related resources
Features
Read full description

Make Your Chess Books Interactive and Elevate Your Study! Transform your chess books into an interactive learning experience with our smart eBook reader. Simply double-tap on any chess diagram, and see real-time board setups appear instantly on your mobile device - no manual input required! Study your chess books effortlessly, and bring every diagram to life in seconds. Key Features: Instant Interaction with Diagrams Double-tap on any diagram within your chess eBooks to view the exact board setup instantly. Make your study sessions more engaging and interactive without the hassle of manual entry. All Your Books in One Place Manage, organize, and sync your entire collection of chess books across all your devices - mobile and desktop. Always have your library ready, no matter where you are. Analyze with Powerful Chess Engines Evaluate positions using built-in chess engines. Analyze moves and strategies to deepen your understanding of every position and game you study. Create Beautiful Studies Select key positions from your books and easily create stunning PDF study sheets. Alternatively, export them to PGN for further analysis and sharing. Search and Filter Diagrams Looking for specific positions? Use advanced filters to search for diagrams across your books. Whether you're studying the French Defense or a specific endgame, you can find the exact positions you need. Discover Related Resources Automatically access related content, such as YouTube videos, Chessable courses, and Master’s games, directly from your books. Jump to the exact moment in a video where your position is explained, or explore games played by top players in similar situations. Read the Terms of Use here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Reader Subscription available in the app: $6.99/month ($49.99/year) -Unlimited Diagram Interactions -Unlimited Diagram Search Results Prices may vary based on your location.

About

logcal

A personal journaling app designed for social sharing. Record your thoughts and experiences, and choose to share them with friends or keep them private. It offers a unique way to connect through shared memories.

Highlights
  • Social journaling
  • Private entries
  • Shared entries
  • Personal reflection
  • Memory sharing
Features
Read full description

a social diary!

Screenshots

Chessvision.ai eBook Reader4 screens
logcal3 screens

Verdict

The call

The clearest difference is price: Chessvision.ai eBook Reader at Free against logcal's $0.99. Chessvision.ai eBook Reader also leads on device support (3 vs 1) and iOS requirement (13.4 vs 16.4). logcal's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs monthly). On ratings volume and ads 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

Chessvision.ai eBook Reader is free to download; logcal costs $0.99 up front. Chessvision.ai eBook Reader sells 2 in-app purchases, starting at $6.99 per month. logcal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

logcal holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

UpkeepUpdate frequency

Chessvision.ai eBook Reader ships an update monthly, logcal every 4 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
Chessvision.ai eBook Reader versus logcal: the parameters behind the verdict, then further details
ParameterChessvision.ai eBook Readerlogcal
PriceFree — better$0.99
Rating4.6 (7 ratings)5.0 (3 ratings) — better
Positive reviews33.3% of reviews—
Number of ratings7 — better3
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.4 — better16.4
Further details — not scored
Size47 MB37 MB
Age rating4+4+
DeveloperPawel KacprzakCyrus Freshman

Customer experience

Chessvision.ai eBook Reader

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

logcal

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Chessvision.ai eBook Reader

Subscriptions2
  • Chessvision.ai eBook Reader$6.991 Month
  • Chessvision.ai eBook Reader$49.991 Year
None

logcal

No in-app purchases

Questions

Is Chessvision.ai eBook Reader free?
Chessvision.ai eBook Reader is free to download, with in-app purchases available.
Is logcal free?
logcal costs $0.99, with no in-app purchases.
Which has better reviews, Chessvision.ai eBook Reader or logcal?
logcal is rated higher. Chessvision.ai eBook Reader averages 4.6 out of 5 from 7 ratings, while logcal averages 5.0 from 3 ratings.
Do Chessvision.ai eBook Reader or logcal have ads?
Neither Chessvision.ai eBook Reader nor logcal shows ads.
Which is updated more often, Chessvision.ai eBook Reader or logcal?
Chessvision.ai eBook Reader ships an update monthly, and logcal every 4 days. Most recently, Chessvision.ai eBook Reader was updated on October 12, 2026 and logcal on October 15, 2026.

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