# Preposition Builder Master Pro vs FPVSIM

The clearest difference is price: Preposition Builder Master Pro at Free against FPVSIM's $9.99. Preposition Builder Master Pro also leads on update cadence (every 2 months vs every 4 months). FPVSIM's advantage is iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Preposition Builder Master Pro is free to download; FPVSIM costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Preposition Builder Master Pro ships an update every 2 months, FPVSIM every 4 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Preposition Builder Master Pro | FPVSIM |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.8 (17 ratings)](https://appshunter.io/ios/app/preposition-builder-master-pro/id1236551326/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 45 MB | 73 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imanol Fernandez Gorostizaga](https://appshunter.io/developer/313095639) | [Jiahao Wang](https://appshunter.io/developer/1755770926) |

## What reviewers say

### Preposition Builder Master Pro

[App page](https://appshunter.io/ios/app/preposition-builder-master-pro/id1236551326)

Learn English prepositions and grammar by correctly placing words to form sentences and common sayings. This game offers multiple difficulty levels, from beginner to expert, and includes a fun way to master idioms and expressions. Compete with others or practice solo to improve your language skills.

**Highlights:** Sentence building with prepositions, Multiple difficulty levels (Beginner to Expert), Proverbs and Sayings level, Time penalties for errors, Scoring based on speed and accuracy, Online multiplayer mode, Game Center integration

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

**In-app purchases:** none


### FPVSIM

[App page](https://appshunter.io/ios/app/fpvsim-timer/id6514321806)

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

**In-app purchases:** none


## Frequently asked questions

### Is Preposition Builder Master Pro free?

Preposition Builder Master Pro is free to download, with no in-app purchases.

### Is FPVSIM free?

FPVSIM costs $9.99, with no in-app purchases.

### Do Preposition Builder Master Pro or FPVSIM have ads?

Neither Preposition Builder Master Pro nor FPVSIM shows ads.

### Which is updated more often, Preposition Builder Master Pro or FPVSIM?

Preposition Builder Master Pro ships an update every 2 months, and FPVSIM every 4 months. Most recently, Preposition Builder Master Pro was updated on October 9, 2026 and FPVSIM on October 7, 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.*