Comparison

Truth Table Builder vs Yuzu eReader

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

Head to head
About

Truth Table Builder

Easily construct truth tables from Boolean formulas. This app supports up to 8 variables and can display sub-expressions, ensuring the original truth function is preserved. It offers a custom keyboard for input, saves and shares tables, and allows operator customization.

Highlights
  • Build truth tables up to 8 variables
  • Shows sub-expressions
  • Preserves original truth function
  • Generates random expressions
  • Supports custom operators and constants
  • Saves and shares truth tables
Features
Read full description

Truth Table Builder is an easy, quick and reliable app that builds truth tables from Boolean/propositional formulas that you enter. Features: - Build truth table of up to 8 variables - Shows sub-expressions of the main expression - Splits expression based on operator precedence rule so that original truth function is preserved - Generates random expressions - Supports all variable letters and logical operators - Custom keyboard for easy input of expressions - History of all entered expressions - Save and share truth tables - Customize operators and truth constants

About

Yuzu eReader

This app provides an interactive platform for reading and engaging with digital learning materials on your mobile devices. It allows for easy access to textbooks, note-taking, highlighting, and multimedia integration, making studying more convenient and effective.

Highlights
  • Interactive learning with multimedia
  • Syncs highlights, notes, and bookmarks
  • Searchable content
  • Adjustable reading layout and zoom
  • Read Aloud functionality
  • Offline access to content
Features
Read full description

Yuzu is a learning platform that lets you read and interact with digital content from the convenience of your iPad or iPhone. BENEFITS OF eTEXTBOOKS ON YUZU Interactive Learning - eTextbooks can include videos and other multimedia content and links to related websites, to make the learning experience richer and more engaging. Travel Lighter - Replace multiple textbooks with one app where you can access your course materials from a single, beautifully organized interface. Read On-the-Go - With course materials always at your fingertips, you can read and study wherever you are. Highlights, notes, and bookmarks automatically sync across all of your devices. Study Smarter - You can highlight and add notes to your eTextbooks. Plus, you can easily adjust the layout, font size, and zoom to make reading easier. Simple Navigation - Search keywords, phrases, and figures throughout all of your digital content. Quickly jump to a location by typing a page number. Features * Create highlights, notes, and bookmarks. Your changes are automatically saved and made available to all of your apps. * Search for keywords, phrases, or figures. * Navigate using the Table of Contents. * Jump to a location by page number. • Listen to your books and learn on the go with Read Aloud. * Zoom fixed format content or adjust the layout and fonts with reflowable content. * Download your digital content for later reading and adding notes while offline.

Screenshots

Truth Table Builder4 screens
Yuzu eReader4 screens

Verdict

The call

The clearest difference is price: Yuzu eReader at Free against Truth Table Builder's $0.99. Yuzu eReader also leads on ratings volume (15K vs 58) and update cadence (every 3 months vs every 6 months). Truth Table Builder's advantage is review sentiment (60% vs 22%) and iOS requirement (11.0 vs 17.6). On rating, 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

CostPrice · In-app purchases · Ads · Monetization

Yuzu eReader is free to download; Truth Table Builder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Truth Table Builder holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Yuzu eReader has 15K ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 60% of Truth Table Builder's written reviews are positive against 22% of Yuzu eReader's.

UpkeepUpdate frequency

Truth Table Builder ships an update every 6 months, Yuzu eReader every 3 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

Scorecard6 real differences · 4 level
Truth Table Builder versus Yuzu eReader: the parameters behind the verdict, then further details
ParameterTruth Table BuilderYuzu eReader
Price$0.99Free — better
Rating4.7 (58 ratings) — better4.5 (15K ratings)
Positive reviews60.0% of reviews — better22.0% of reviews
Number of ratings5815K — better
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.6
Further details — not scored
Size1 MB189 MB
Age rating4+4+
DeveloperKetan AppaBarnes & Noble College

Customer experience

Truth Table Builder

All ratings58 ratings
Positive93.1%
Neutral1.7%
Negative5.2%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Yuzu eReader

All ratings14,761 ratings
Positive87.5%
Neutral3.0%
Negative9.5%
Written reviews141 reviews
Positive22.0%
Neutral10.6%
Negative67.4%

Bugs and requests

Truth Table Builder

Not enough reviews yet to summarise bugs or requests.

Yuzu eReader

Reported bugs

4 issues
  • Frequent app crashes and freezes
  • Login and access issues
  • Incorrect text formatting and layout
  • Unreliable read-aloud functionality

Requested features

4 requests
  • More highlighter color options
  • Ability to annotate directly on pages
  • Improved page navigation and layout controls
  • Seamless integration with note-taking apps

In-app purchases

None

Truth Table Builder

No in-app purchases

None

Yuzu eReader

No in-app purchases

Questions

Is Truth Table Builder free?
Truth Table Builder costs $0.99, with no in-app purchases.
Is Yuzu eReader free?
Yuzu eReader is free to download, with no in-app purchases.
Which has better reviews, Truth Table Builder or Yuzu eReader?
Truth Table Builder is rated higher. Truth Table Builder averages 4.7 out of 5 from 58 ratings, while Yuzu eReader averages 4.5 from 15K ratings.
Do Truth Table Builder or Yuzu eReader have ads?
Neither Truth Table Builder nor Yuzu eReader shows ads.
Which is updated more often, Truth Table Builder or Yuzu eReader?
Truth Table Builder ships an update every 6 months, and Yuzu eReader every 3 months. Most recently, Truth Table Builder was updated on November 1, 2026 and Yuzu eReader on November 10, 2026.

Other comparisons