# Truth Table Builder vs Etymology Dictionary

The clearest difference is price: Truth Table Builder at $1.99 against Etymology Dictionary's $14.99. Truth Table Builder also leads on chart position (#194 vs unranked) and iOS requirement (11.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Truth Table Builder costs $1.99 and Etymology Dictionary $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Truth Table Builder ships an update every 6 months, Etymology Dictionary every 9 months. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Truth Table Builder | Etymology Dictionary |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | **[4.7 (58 ratings)](https://appshunter.io/ios/app/truth-table-builder/id882579372/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Paid | — |
| Best chart rank | **#194** | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ketan Appa](https://appshunter.io/developer/576435759) | [斌 虞](https://appshunter.io/developer/561889393) |

## What reviewers say

### Truth Table Builder

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

**Currently charting:** #194 Top Paid · Education (US App Store)

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


### Etymology Dictionary

[App page](https://appshunter.io/ios/app/etymology-dictionary/id6749011650)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Truth Table Builder free?

Truth Table Builder costs $1.99, with no in-app purchases.

### Is Etymology Dictionary free?

Etymology Dictionary costs $14.99, with no in-app purchases.

### Do Truth Table Builder or Etymology Dictionary have ads?

Neither Truth Table Builder nor Etymology Dictionary shows ads.

### Which is updated more often, Truth Table Builder or Etymology Dictionary?

Truth Table Builder ships an update every 6 months, and Etymology Dictionary every 9 months. Most recently, Truth Table Builder was updated on September 9, 2026 and Etymology Dictionary on September 20, 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.*