# Grammar Express Question Tag vs Onsen SAT

The clearest difference is rating: Onsen SAT at 5.0 against Grammar Express Question Tag's 3.5. Onsen SAT also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 4 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Grammar Express Question Tag sells 1 one-off in-app purchase. Onsen SAT asks for nothing beyond the download.

Onsen SAT holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

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

## The numbers

| Metric | Grammar Express Question Tag | Onsen SAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/grammar-express-question-tag/id370144113/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onsen-sat/id1661828870/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 9 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Quinn Tutoring LLC](https://appshunter.io/developer/1716038667) |

## 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 |


### Onsen SAT

[App page](https://appshunter.io/ios/app/onsen-sat/id1661828870)

This app provides daily practice questions for the new digital SAT, covering Reading & Writing and Math. It offers feedback on answers and allows users to track progress and review past questions to build SAT skills.

**Highlights:** Daily SAT Reading & Writing practice, Daily SAT Math practice, Answer feedback, Progress tracking, Review previous questions

**In-app purchases:** none


## Frequently asked questions

### Is Grammar Express Question Tag free?

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

### Is Onsen SAT free?

Onsen SAT is free to download, with no in-app purchases.

### Which has better reviews, Grammar Express Question Tag or Onsen SAT?

Onsen SAT is rated higher. Grammar Express Question Tag averages 3.5 out of 5 from 2 ratings, while Onsen SAT averages 5.0 from 1 ratings.

### Do Grammar Express Question Tag or Onsen SAT have ads?

Neither Grammar Express Question Tag nor Onsen SAT shows ads.

### Which is updated more often, Grammar Express Question Tag or Onsen SAT?

Grammar Express Question Tag ships an update every 4 months, and Onsen SAT fortnightly. Most recently, Grammar Express Question Tag was updated on October 15, 2026 and Onsen SAT on October 19, 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.*