# Truth Table Builder vs Yuzu eReader

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.

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.

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.

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.

## The numbers

| Metric | Truth Table Builder | Yuzu eReader |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (58 ratings)](https://appshunter.io/ios/app/truth-table-builder/id882579372/reviews)** | [4.5 (15K ratings)](https://appshunter.io/ios/app/yuzu-ereader/id1104364222/reviews) |
| Number of ratings | 58 | **15K** |
| Positive reviews | **60.0% of reviews** | 22.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 189 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ketan Appa](https://appshunter.io/developer/576435759) | [Barnes & Noble College](https://appshunter.io/developer/665713697) |

## What reviewers say

### Truth Table Builder

[App page](https://appshunter.io/ios/app/truth-table-builder/id882579372)

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:** Vision Pro support

**In-app purchases:** none


### Yuzu eReader

[App page](https://appshunter.io/ios/app/yuzu-ereader/id1104364222)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and convenient app
- 👍 Useful highlighting and note-taking features
- 🎧 Helpful read-aloud functionality

**What reviewers complain about**

- 🐛 Highlighting and copy/paste issues
- 🔇 Poor text-to-speech quality and performance
- 📱 Inconsistent user experience across devices
- 💻 Limited functionality compared to web version

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*