# QR Tool vs Email Writer・AI Auto Correct

The clearest difference is in-app purchases: QR Tool at none against Email Writer・AI Auto Correct's 2. Email Writer・AI Auto Correct's advantage is update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Email Writer・AI Auto Correct sells 2 in-app purchases, starting at $9.99 per month. QR Tool asks for nothing beyond the download.

QR Tool ships an update every 2 months, Email Writer・AI Auto Correct every 11 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | QR Tool | Email Writer・AI Auto Correct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/email-writerai-auto-correct/id6744062549/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | — | Subscription |
| Size | 35 MB | 21 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ubigreen](https://appshunter.io/developer/1315420061) | [Cheese Wheels Apps OU](https://appshunter.io/developer/1819473115) |

## What reviewers say

### QR Tool

[App page](https://appshunter.io/ios/app/qr-tool/id1592661572)

**Features:** Vision Pro support

**In-app purchases:** none


### Email Writer・AI Auto Correct

[App page](https://appshunter.io/ios/app/email-writerai-auto-correct/id6744062549)

Effortlessly compose professional emails with AI assistance. Generate clear, persuasive messages for various purposes, from business proposals to job applications, in multiple languages and styles. Streamline your communication and save time with this intuitive tool.

**Highlights:** AI-powered email generation, Multiple writing styles and tones, Translation to over 40 languages, Fast and easy to use interface, Generate persuasive messages

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| Yearly subscription | $49.99 | per year |


## Frequently asked questions

### Is QR Tool free?

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

### Is Email Writer・AI Auto Correct free?

Email Writer・AI Auto Correct is free to download, with in-app purchases available.

### Do QR Tool or Email Writer・AI Auto Correct have ads?

Neither QR Tool nor Email Writer・AI Auto Correct shows ads.

### Which is updated more often, QR Tool or Email Writer・AI Auto Correct?

QR Tool ships an update every 2 months, and Email Writer・AI Auto Correct every 11 days. Most recently, QR Tool was updated on October 25, 2026 and Email Writer・AI Auto Correct on October 25, 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.*