# Prepositional verbs for IELTS vs Moby Thesaurus

The clearest difference is price: Prepositional verbs for IELTS at $0.99 against Moby Thesaurus's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Prepositional verbs for IELTS costs $0.99 and Moby Thesaurus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Prepositional verbs for IELTS ships an update every 46 months, Moby Thesaurus every 41 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Prepositional verbs for IELTS | Moby Thesaurus |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 41 months** |
| Size | 79 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

### Prepositional verbs for IELTS

[App page](https://appshunter.io/ios/app/prepositional-verbs-for-ielts/id1435670972)

**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 Prepositional verbs for IELTS free?

Prepositional verbs for IELTS costs $0.99, with no in-app purchases.

### Is Moby Thesaurus free?

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

### Do Prepositional verbs for IELTS or Moby Thesaurus have ads?

Neither Prepositional verbs for IELTS nor Moby Thesaurus shows ads.

### Which is updated more often, Prepositional verbs for IELTS or Moby Thesaurus?

Prepositional verbs for IELTS ships an update every 46 months, and Moby Thesaurus every 41 months. Most recently, Prepositional verbs for IELTS was updated on November 2, 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.*