# Essay writing materials vs Moby Thesaurus

The clearest difference is update cadence: Essay writing materials at every 16 months against Moby Thesaurus's every 41 months. On price, ads, in-app purchases and device support there is nothing between them.

Essay writing materials costs $1.99 and Moby Thesaurus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Essay writing materials ships an update every 16 months, Moby Thesaurus every 41 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Essay writing materials | Moby Thesaurus |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 41 months |
| Size | 89 MB | 113 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bui Hoai Trang](https://appshunter.io/developer/1216533381) | [Thuy Duong](https://appshunter.io/developer/1233559314) |

## What reviewers say

### Essay writing materials

[App page](https://appshunter.io/ios/app/essay-writing-materials/id1126839574)

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

**In-app purchases:** none


### Moby Thesaurus

[App page](https://appshunter.io/ios/app/moby-thesaurus-extended/id1531115545)

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

**In-app purchases:** none


## Frequently asked questions

### Is Essay writing materials free?

Essay writing materials costs $1.99, with no in-app purchases.

### Is Moby Thesaurus free?

Moby Thesaurus costs $1.99, with no in-app purchases.

### Do Essay writing materials or Moby Thesaurus have ads?

Neither Essay writing materials nor Moby Thesaurus shows ads.

### Which is updated more often, Essay writing materials or Moby Thesaurus?

Essay writing materials ships an update every 16 months, and Moby Thesaurus every 41 months. Most recently, Essay writing materials was updated on October 29, 2026 and Moby Thesaurus on October 25, 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.*