# Grammar Jammer — English Grammar Easy Formulas

> Visual English grammar formulas for mastering tenses. (iPhone/iPad app by VITALY KIRILOV.)

- Source: https://appshunter.io/ios/app/grammar-jammer/id6756280046 (this page in markdown: same URL + `.md`)
- Developer: [VITALY KIRILOV](https://appshunter.io/developer/1857721875)
- Category: Education, Reference
- Price: $3.99 with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.1 · 1 MB
- Languages: American English
- Released: 2025-12-24
- Data updated: 2026-06-30
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/grammar-jammer/id6756280046/reviews.md

## What is Grammar Jammer?

This app has been created to help students with forming English tenses correctly using grammar formulas. The app visually presents 16 active voice tenses and 10 passive voice tenses. Each tense show affirmative, negative, and interrogative structures. There are tests and extra exercises to help you master all English tenses.

## Key features

- Visual grammar formulas
- 16 active voice tenses
- 10 passive voice tenses
- Affirmative, negative, interrogative structures
- Tests and exercises

## Pricing and in-app purchases

Base price: $3.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Extras | $3.99 | one-time |
| Premium Lifetime Access | $3.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/grammar-jammer/id6756280046/reviews.md

### 5/5 — Simple, Intuitive & Easy to Use!

*2025-12-25*

I opened the app, and… I actually knew what to do. No manuals, no confusion, no rage-quitting 😅 Grammar Jammer explains grammar in a simple, visual way that just makes sense. Clean design, easy to use, and my brain stayed calm. That’s a win.

## Frequently asked questions about Grammar Jammer

### What English tenses does Grammar Jammer cover?

Grammar Jammer visually presents 16 active voice tenses and 10 passive voice tenses. It covers affirmative, negative, and interrogative structures for each.

### How does Grammar Jammer help users master tenses?

The app uses visual grammar formulas and provides tests and extra exercises to reinforce learning and help users master all English tenses.

### What is the price of Grammar Jammer?

Grammar Jammer is a paid app priced at $3.99.

### What devices is Grammar Jammer available on?

Grammar Jammer is currently supported on iPhone devices.

### What is the age rating for Grammar Jammer?

Grammar Jammer has an age rating of 4+, making it suitable for a wide range of learners.

### How often is Grammar Jammer updated?

The latest version is 1.0.4, and the app was last updated on February 19, 2026, indicating regular maintenance and updates.

### Does Grammar Jammer have ads?

No, Grammar Jammer does not contain advertisements.

### What is the user feedback on Grammar Jammer?

Grammar Jammer has received a perfect rating of 5.0 stars from its available ratings, suggesting high user satisfaction.

## Version history (last 3 releases)

### 1.0.4 — 2026-02-19

Proper setup of in-app purchases

### 1.0.3 — 2026-02-14

Improved interaction feedback. Bugs fixes. Some improvements in speech practice sentences which were hard to pronounce and hard to register for speech recognition. Added all six language translations for all UI options. Support the developer function added. Paywalls for in-app purchases properly prepared for AppStore integration. New icon.

### 1.0 — 2025-12-24

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-30.*