# AI Email Writer vs Compress PDF

The clearest difference is ads: AI Email Writer at none against Compress PDF's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. AI Email Writer sells 5 in-app purchases, starting at $6.99 per 7 days and Compress PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Email Writer ships an update every 8 days, Compress PDF fortnightly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | AI Email Writer | Compress PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (198 ratings)](https://appshunter.io/ios/app/ai-email-writer-lazy-mail/id6456572267/reviews)** | — |
| Number of ratings | **198** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 34 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Plicidus LTD](https://appshunter.io/developer/1700528247) | [Chaman Sharma](https://appshunter.io/developer/1896567203) |

## What reviewers say

### AI Email Writer

[App page](https://appshunter.io/ios/app/ai-email-writer-lazy-mail/id6456572267)

This AI-powered app enhances your writing with personalized suggestions, customizable tone, and text length. It helps you compose letters, improve messaging skills, and proofread text for error-free results. Ideal for professionals, students, and anyone looking to elevate their writing.

**Highlights:** AI-powered writing suggestions, Customizable tone and length, Pre-made prompt templates, Messaging and conversation practice, Fast replies and translation, Proofreading and grammar checking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $6.99 | per 7 days |
| Weekly subscription | $9.99 | per 7 days |
| Monthly subscription | $24.99 | per month |
| Yearly subscription | $49.99 | per year |
| Annual subscription | $69.99 | per year |

**What reviewers like**

- ⏱️ Saves hours of writing
- ✍️ Professional email generation
- 💡 Helpful tone presets
- 🚀 Writes emails in seconds
- 🧠 Reduces inbox anxiety

**What reviewers complain about**

- 🐛 App not working
- 👎 Unnecessary app
- 💸 Bogus ads
- 🧠 Discourages thinking
- 🤖 AI lacks human touch

**Reported bugs**

- Mail not working


### Compress PDF

[App page](https://appshunter.io/ios/app/compress-pdf-document-scanner/id6801993588)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


## Frequently asked questions

### Is AI Email Writer free?

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

### Is Compress PDF free?

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

### Do AI Email Writer or Compress PDF have ads?

Compress PDF shows ads; AI Email Writer does not.

### Which is updated more often, AI Email Writer or Compress PDF?

AI Email Writer ships an update every 8 days, and Compress PDF fortnightly. Most recently, AI Email Writer was updated on November 3, 2026 and Compress PDF on November 6, 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.*