# Practice Grammar vs PSV. Operational Deck CES Test

The clearest difference is price: Practice Grammar at Free against PSV. Operational Deck CES Test's $5.99. Practice Grammar also leads on update cadence (every 11 days vs every 39 months). PSV. Operational Deck CES Test's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Practice Grammar is free to download; PSV. Operational Deck CES Test costs $5.99 up front. Practice Grammar sells 5 in-app purchases, starting at $8.49 per 7 days. PSV. Operational Deck CES Test asks for nothing beyond the download.

Practice Grammar ships an update every 11 days, PSV. Operational Deck CES Test every 39 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Practice Grammar | PSV. Operational Deck CES Test |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.3 (82 ratings)](https://appshunter.io/ios/app/practice-grammarlearn-english/id1213426063/reviews)** | — |
| Number of ratings | **82** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 39 months |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 45 MB |
| Requires iOS | **15.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nelly Latypova](https://appshunter.io/developer/1150816403) | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) |

## What reviewers say

### Practice Grammar

[App page](https://appshunter.io/ios/app/practice-grammarlearn-english/id1213426063)

Master English grammar with interactive lessons and exercises. This app breaks down complex topics like adjectives, verbs, and prepositions into easy-to-understand sections with real-world examples. Practice and test your knowledge to improve your writing and speaking skills.

**Highlights:** Master adjectives, verbs, prepositions, and more, Clear lessons with real-world examples, Interactive exercises and tests, Immediate feedback on answers, Covers British and American English, Vocabulary integrated into grammar

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete English Grammar Pro | $8.49 | per 7 days |
| Ultimate English Grammar Pro | $9.49 | per month |
| Advanced English Grammar Pro | $33.90 | per 6 months |
| Pro English Grammar Learning | $34.99 | per year |
| Pro English Grammar Learning | $34.99 | per year |


### PSV. Operational Deck CES Test

[App page](https://appshunter.io/ios/app/psv-operational-deck-ces-test/id6455428592)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Practice Grammar free?

Practice Grammar is free to download, with in-app purchases available.

### Is PSV. Operational Deck CES Test free?

PSV. Operational Deck CES Test costs $5.99, with no in-app purchases.

### Do Practice Grammar or PSV. Operational Deck CES Test have ads?

Practice Grammar shows ads; PSV. Operational Deck CES Test does not.

### Which is updated more often, Practice Grammar or PSV. Operational Deck CES Test?

Practice Grammar ships an update every 11 days, and PSV. Operational Deck CES Test every 39 months. Most recently, Practice Grammar was updated on November 2, 2026 and PSV. Operational Deck CES Test on November 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.*