# Grammer vs Learn to Convert Units

The clearest difference is price: Grammer at Free against Learn to Convert Units's $0.99. Grammer also leads on iOS requirement (15.0 vs 18.0). Learn to Convert Units's advantage is in-app purchases (none vs 8) and ads (none vs shown). On device support there is nothing between them.

Grammer is free to download; Learn to Convert Units costs $0.99 up front. Grammer sells 8 in-app purchases, starting at $1.99 per month. Learn to Convert Units asks for nothing beyond the download.

## The numbers

| Metric | Grammer | Learn to Convert Units |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (26 ratings)](https://appshunter.io/ios/app/grammer/id6450413641/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 11 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [nguyen thanh](https://appshunter.io/developer/1481436893) | [Laurence Stone](https://appshunter.io/developer/1702094763) |

## What reviewers say

### Grammer

[App page](https://appshunter.io/ios/app/grammer/id6450413641)

Master English grammar with comprehensive lessons, practical examples, and interactive tests. This app offers unique tips to distinguish similar grammar points and improve speaking and writing skills for learners of all levels, including those preparing for TOEIC, IELTS, and TOEFL.

**Highlights:** Detailed grammar lessons from beginner to advanced, Practical examples and real-life usage tips, Extensive practice tests and interactive quizzes, Timed questions to improve reaction speed, Detailed review with explanations for incorrect answers, Favorite grammar point saving

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learning Premium Monthly Plan | $1.99 | per month |
| Three Months VIP | $1.99 | per 3 months |
| One Month VIP | $4.99 | per month |
| Learning Premium HalfYear Plan | $5.99 | per 6 months |
| Learning Premium Annual Plan | $9.99 | per year |
| Six Months VIP | $24.99 | per 6 months |
| 1 Year VIP | $49.99 | per year |
| No ads Pack | $14.99 | one-time |


### Learn to Convert Units

[App page](https://appshunter.io/ios/app/learn-to-convert-units/id6742937893)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grammer free?

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

### Is Learn to Convert Units free?

Learn to Convert Units costs $0.99, with no in-app purchases.

### Do Grammer or Learn to Convert Units have ads?

Grammer shows ads; Learn to Convert Units 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.*