# Grammar Express Question Tag vs Decimal Coaching

The clearest difference is update cadence: Grammar Express Question Tag at every 4 months against Decimal Coaching's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Grammar Express Question Tag sells 1 one-off in-app purchase and Decimal Coaching sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Grammar Express Question Tag ships an update every 4 months, Decimal Coaching every 19 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Grammar Express Question Tag | Decimal Coaching |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/grammar-express-question-tag/id370144113/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 19 months |
| Monetization | Free | — |
| Size | 9 MB | 147 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Grammar Express Question Tag

[App page](https://appshunter.io/ios/app/grammar-express-question-tag/id370144113)

Master the art of using question tags in everyday conversations with this comprehensive grammar course. It offers detailed lessons, numerous examples, and interactive quizzes with real-time feedback to improve your understanding and response times.

**Highlights:** 13+ pages of grammar lessons and rules, Over 69 examples, 500+ multiple-choice questions, Detailed test results with explanations, Retry missed questions module, Customizable timer settings, Randomized questions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Express QT Full Version | $0.99 | one-time |


### Decimal Coaching

[App page](https://appshunter.io/ios/app/decimal-coaching/id6504126119)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AO | $29.99 | one-time |
| Package - AR | $29.99 | one-time |
| Package - AP | $29.99 | one-time |
| Package - AU | $34.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |


## Frequently asked questions

### Is Grammar Express Question Tag free?

Grammar Express Question Tag is free to download, with in-app purchases available.

### Is Decimal Coaching free?

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

### Do Grammar Express Question Tag or Decimal Coaching have ads?

Neither Grammar Express Question Tag nor Decimal Coaching shows ads.

### Which is updated more often, Grammar Express Question Tag or Decimal Coaching?

Grammar Express Question Tag ships an update every 4 months, and Decimal Coaching every 19 months. Most recently, Grammar Express Question Tag was updated on October 15, 2026 and Decimal Coaching on October 9, 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.*