# CorrectMe Grammar AI Keyboard vs SquareRootCalculator

The clearest difference is in-app purchases: SquareRootCalculator at none against CorrectMe Grammar AI Keyboard's 6. SquareRootCalculator also leads on iOS requirement (11.0 vs 14.0). CorrectMe Grammar AI Keyboard's advantage is update cadence (every 6 weeks vs every 14 months) and rating (4.7 vs 4.3). On price, ads and device support there is nothing between them.

Both are free to download. CorrectMe Grammar AI Keyboard sells 6 in-app purchases, starting at $4.99 per 7 days. SquareRootCalculator asks for nothing beyond the download.

CorrectMe Grammar AI Keyboard holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: CorrectMe Grammar AI Keyboard has 12K ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 36% of CorrectMe Grammar AI Keyboard's written reviews are positive against 23% of SquareRootCalculator's.

CorrectMe Grammar AI Keyboard ships an update every 6 weeks, SquareRootCalculator every 14 months. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | CorrectMe Grammar AI Keyboard | SquareRootCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (12K ratings)](https://appshunter.io/ios/app/correctme-grammar-ai-keyboard/id1193750579/reviews)** | [4.3 (34 ratings)](https://appshunter.io/ios/app/squarerootcalculator/id1260411892/reviews) |
| Number of ratings | **12K** | 34 |
| Positive reviews | **35.7% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 59 MB | 5 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teleprompter LLC](https://appshunter.io/developer/823066256) | [Jirou Fukuda](https://appshunter.io/developer/689603483) |

## What reviewers say

### CorrectMe Grammar AI Keyboard

[App page](https://appshunter.io/ios/app/correctme-grammar-ai-keyboard/id1193750579)

Enhance your written communication with intelligent grammar and spelling checks. Improve your English writing skills with contextual error detection, smart recommendations, and explanations of mistakes. Share your polished texts effortlessly.

**Highlights:** Contextual grammar check, Spelling check, Smart recommendations, Synonym suggestions, Definitions, Grammatical explanations, One-tap sharing

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Correctme Pro mode | $4.99 | per 7 days |
| CorrectMe Pro Monthly | $9.99 | per month |
| CorrectMe Pro Monthly | $9.99 | per month |
| CorrectMe Pro Annual | $59.99 | per year |
| CorrectMe Pro Annual | $59.99 | per year |
| CorrectMe Pro version | Free | one-time |

**What reviewers like**

- 👍 Helpful for school work
- 🤖 Improves writing skills
- ✨ Useful for professional writing

**What reviewers complain about**

- 💰 Expensive subscription
- 🔒 Issues with account/subscription management
- 🐛 App crashes and freezes
- 📝 Limited text input length

**Reported bugs**

- Incorrect grammar and spelling corrections
- Subscription issues and lost access
- App not working as expected

**Requested features**

- Expand text input limit
- Improve grammar and punctuation correction
- Add web/desktop version
- Provide better customer support


### SquareRootCalculator

[App page](https://appshunter.io/ios/app/squarerootcalculator/id1260411892)

This calculator simplifies square root and fraction calculations. It handles complex rationalizations with high precision, preventing digit overflow for long integers. Easily perform basic arithmetic operations with square roots.

**Highlights:** Square root calculation, Fraction calculation, Four rule calculations, Infinite long integer support, Rationalization simplification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CorrectMe Grammar AI Keyboard free?

CorrectMe Grammar AI Keyboard is free to download, with in-app purchases available.

### Is SquareRootCalculator free?

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

### Which has better reviews, CorrectMe Grammar AI Keyboard or SquareRootCalculator?

CorrectMe Grammar AI Keyboard is rated higher. CorrectMe Grammar AI Keyboard averages 4.7 out of 5 from 12K ratings, while SquareRootCalculator averages 4.3 from 34 ratings.

### Do CorrectMe Grammar AI Keyboard or SquareRootCalculator have ads?

Both CorrectMe Grammar AI Keyboard and SquareRootCalculator show ads.

### Which is updated more often, CorrectMe Grammar AI Keyboard or SquareRootCalculator?

CorrectMe Grammar AI Keyboard ships an update every 6 weeks, and SquareRootCalculator every 14 months. Most recently, CorrectMe Grammar AI Keyboard was updated on September 25, 2026 and SquareRootCalculator on September 12, 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.*