# English Synonyms Explained vs Moby Thesaurus

English Synonyms Explained and Moby Thesaurus are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

English Synonyms Explained costs $1.99 and Moby Thesaurus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

English Synonyms Explained ships an update every 45 months, Moby Thesaurus every 41 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | English Synonyms Explained | Moby Thesaurus |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 41 months** |
| Size | 83 MB | 113 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ngoc Anh](https://appshunter.io/developer/1435062709) | [Thuy Duong](https://appshunter.io/developer/1233559314) |

## What reviewers say

### English Synonyms Explained

[App page](https://appshunter.io/ios/app/english-synonyms-explained/id1445549641)

**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 English Synonyms Explained free?

English Synonyms Explained costs $1.99, with no in-app purchases.

### Is Moby Thesaurus free?

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

### Do English Synonyms Explained or Moby Thesaurus have ads?

Neither English Synonyms Explained nor Moby Thesaurus shows ads.

### Which is updated more often, English Synonyms Explained or Moby Thesaurus?

English Synonyms Explained ships an update every 45 months, and Moby Thesaurus every 41 months. Most recently, English Synonyms Explained was updated on October 17, 2026 and Moby Thesaurus on October 16, 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.*