# Dissertation Defense Coach vs LexiScan Black

The clearest difference is price: LexiScan Black at Free against Dissertation Defense Coach's $6.99. LexiScan Black also leads on iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

LexiScan Black is free to download; Dissertation Defense Coach costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Dissertation Defense Coach | LexiScan Black |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.2 (30 ratings)](https://appshunter.io/ios/app/dissertation-defense-coach/id1462924075/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Paid | — |
| Size | 6 MB | 14 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Triumphant Heart International, Inc.](https://appshunter.io/developer/1462924074) | [Do Young Jung](https://appshunter.io/developer/1834302796) |

## What reviewers say

### Dissertation Defense Coach

[App page](https://appshunter.io/ios/app/dissertation-defense-coach/id1462924075)

This app helps doctoral candidates prepare for their dissertation defense. It provides flashcards and question-by-question coaching with guidance on how to answer potential questions about your research.

**Highlights:** Flashcard-style question practice, Question-by-question coaching, Guidance on answering defense questions, Questions on research, literature, methodology, findings, conclusions, Beginner to advanced difficulty questions, Confidence building

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### LexiScan Black

[App page](https://appshunter.io/ios/app/lexiscan-black/id6751255332)

**In-app purchases:** none


## Frequently asked questions

### Is Dissertation Defense Coach free?

Dissertation Defense Coach costs $6.99, with no in-app purchases.

### Is LexiScan Black free?

LexiScan Black is free to download, with no in-app purchases.

### Do Dissertation Defense Coach or LexiScan Black have ads?

Neither Dissertation Defense Coach nor LexiScan Black shows ads.

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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.*