# Letter vs CAURIZER

The clearest difference is review sentiment: Letter at 49% against CAURIZER's 0%. Letter also leads on update cadence (every 3 weeks vs every 6 months). CAURIZER's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Letter sells 4 in-app purchases, starting at $0.99 per 7 days. CAURIZER asks for nothing beyond the download.

Letter ships an update every 3 weeks, CAURIZER every 6 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Letter | CAURIZER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (881 ratings)](https://appshunter.io/ios/app/letter-just-write-letters/id498506154/reviews)** | — |
| Number of ratings | **881** | — |
| Positive reviews | **49.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 79 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ubelacker Solutions GmbH](https://appshunter.io/developer/391297165) | [Cheikh Diaw](https://appshunter.io/developer/1622317855) |

## What reviewers say

### Letter

[App page](https://appshunter.io/ios/app/letter-just-write-letters/id498506154)

Easily create, format, and print professional-looking letters. Enhance your writing with an AI assistant, add personalized signatures, and utilize diverse templates. Sync your work across devices and share digitally or as PDFs.

**Highlights:** Professional letter formatting, Convenient in-app printing, Digital sharing and PDF export, iCloud device synchronization, AI-powered letter assistant, Personalized signatures, Contact address integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Yearly | $14.99 | per year |
| One-time | $69.99 | one-time |

**What reviewers like**

- 👍 Easy to use and navigate
- ✍️ Effective letter writing tool
- 🎨 Professional letter formatting
- 📱 Works with contact lists
- 🖨️ Printer integration capability

**What reviewers complain about**

- 🐛 Frequent app crashes
- 💾 Letters disappearing unexpectedly
- ❌ App won't open or load
- 🔧 Poor technical stability
- 📋 Limited formatting options

**Reported bugs**

- App crashes on startup or during use
- Letters disappear mid-composition
- App fails to open or load
- Blank screen appearing when reopening saved letters
- App freezes during operation

**Requested features**

- More sample letter templates (complaint, traffic ticket, name change)
- Font size adjustment options
- Export to multiple formats (.doc, .pdf)
- Word document import/export capability
- Additional layout customization options


### CAURIZER

[App page](https://appshunter.io/ios/app/caurizer/id1622318288)

This app connects delivery opportunities to individuals in Quebec looking to earn extra income. Users can create profiles, set availability, and find nearby delivery tasks based on their location. It provides a platform to manage deliveries and facilitate communication.

**Highlights:** Find local delivery opportunities, Create and manage user profiles, Set driver availability, Geolocate and assign delivery tasks, Manage deliveries, Facilitate communication

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letter free?

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

### Is CAURIZER free?

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

### Do Letter or CAURIZER have ads?

Neither Letter nor CAURIZER shows ads.

### Which is updated more often, Letter or CAURIZER?

Letter ships an update every 3 weeks, and CAURIZER every 6 months. Most recently, Letter was updated on October 20, 2026 and CAURIZER on October 8, 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.*