# Letter Manager vs calQuery

The clearest difference is in-app purchases: calQuery at none against Letter Manager's 4. calQuery also leads on rating (5.0 vs 4.6) and iOS requirement (14.5 vs 17.6). Letter Manager's advantage is update cadence (monthly vs every 9 months) and ratings volume (19 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Letter Manager sells 4 one-off in-app purchases. calQuery asks for nothing beyond the download.

calQuery holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Letter Manager has 19 ratings behind it against 1, so its average is the more settled of the two.

Letter Manager ships an update monthly, calQuery every 9 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Letter Manager | calQuery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (19 ratings)](https://appshunter.io/ios/app/letter-manager/id1514415524/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calquery/id1596650479/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 1 MB |
| Requires iOS | 17.6 | **14.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Felix Reimann](https://appshunter.io/developer/1513019105) | [Uwe Holtkamp](https://appshunter.io/developer/1191830477) |

## What reviewers say

### Letter Manager

[App page](https://appshunter.io/ios/app/letter-manager/id1514415524)

Effortlessly write, format, and send letters with customizable templates. Scan and digitize incoming mail for easy organization and retrieval. Supports attachments and mail merges.

**Highlights:** Automatic DIN standard formatting, Save personalized letter templates, Attach PDF documents and images, Scan and digitize incoming letters, Keyword search for scanned text, Mail merge functionality, Export as PDF for email or print

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fullversion Birthday Edition | $2.99 | one-time |
| Fullversion with voucher | $3.99 | one-time |
| Fullversion | $5.99 | one-time |
| Fullversion for Dealers | $5.99 | one-time |


### calQuery

[App page](https://appshunter.io/ios/app/calquery/id1596650479)

Easily search your iPhone or iPad calendar for past events. Results can be sorted by date, location, or alphabetically. Tapping a result opens the corresponding day in your native calendar app.

**Highlights:** Search past calendar events, Sort results by date, location, alphabet, Open events in native calendar, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letter Manager free?

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

### Is calQuery free?

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

### Which has better reviews, Letter Manager or calQuery?

calQuery is rated higher. Letter Manager averages 4.6 out of 5 from 19 ratings, while calQuery averages 5.0 from 1 ratings.

### Do Letter Manager or calQuery have ads?

Neither Letter Manager nor calQuery shows ads.

### Which is updated more often, Letter Manager or calQuery?

Letter Manager ships an update monthly, and calQuery every 9 months. Most recently, Letter Manager was updated on October 17, 2026 and calQuery on October 11, 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.*