# Perfect English Grammar vs Support Engine CES Test

The clearest difference is price: Perfect English Grammar at Free against Support Engine CES Test's $4.99. Support Engine CES Test's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

Perfect English Grammar is free to download; Support Engine CES Test costs $4.99 up front. Perfect English Grammar sells 6 in-app purchases, starting at $8.49 per 7 days. Support Engine CES Test asks for nothing beyond the download.

## The numbers

| Metric | Perfect English Grammar | Support Engine CES Test |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.5 (56 ratings)](https://appshunter.io/ios/app/perfect-english-grammar/id1526249063/reviews)** | — |
| Number of ratings | **56** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 37 MB |
| Requires iOS | 15.0 | **10.0** |
| 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

### Perfect English Grammar

[App page](https://appshunter.io/ios/app/perfect-english-grammar/id1526249063)

Master English grammar with interactive lessons and real-world examples. This app offers clear explanations, a wide variety of exercises, and authentic reading materials to build confidence and improve language skills. It's designed for learners of all levels to practice and review grammar in a fun, engaging way.

**Highlights:** Engaging grammar explanations, Variety of sentence-based exercises, Authentic reading materials, IELTS and TOEFL preparation support, Game-style learning interactions, Tools for listening, speaking, and reading skills

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete English Grammar Pro | $8.49 | per 7 days |
| Ultimate English Grammar Pro | $9.49 | per month |
| Ultimate English Grammar Pro | $9.49 | per month |
| Pro English Grammar Learning | $34.99 | per year |
| Pro English Grammar Learning | $34.99 | per year |
| Upgrade to no ads | $29.99 | one-time |


### Support Engine CES Test

[App page](https://appshunter.io/ios/app/support-engine-ces-test/id6468926107)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perfect English Grammar free?

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

### Is Support Engine CES Test free?

Support Engine CES Test costs $4.99, with no in-app purchases.

### Do Perfect English Grammar or Support Engine CES Test have ads?

Perfect English Grammar shows ads; Support Engine CES Test does not.

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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.*