Comparison

Letter Manager vs calQuery

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Letter Manager

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
Read full description

Write formal letters without formatting them. Pick a recipient, type your text, done: Letter Manager lays out your letter to the DIN 5008 business letter standard and turns it into a PDF you can print or send. For iPhone, iPad and Mac. WRITE • Tap “New Letter” and start typing – address field, information block, subject line and fold marks are placed correctly for you. • DIN 5008 form A and form B, made to fit window envelopes. • Set up your sender details, signature, logo, letterhead and font once and reuse them for every letter.* • Emphasise text: bold, italic, underline, font size and more.* • Templates for the letters you write again and again. SEND • Share your letter as a PDF by email or print it straight from the app. • Attach PDF documents and images.* • Mail merge: create a contact group and choose it as the recipient. • Print the matching envelope as well. ORGANISE • File letters in your own folders and mark important folders as favourites. • Scan incoming mail with the camera. Text recognition captures every word.* • Search by sender, recipient, subject or the full text. ACCESSIBILITY Supports VoiceOver, Dynamic Type and Dark Mode. * Part of the full version. The full version can be shared with Family Sharing.

About

calQuery

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
Read full description

With calQuery you can search the calendar of your iPhone of iPad. Unlike the search function of the calendar app, even long past events are found. The search results can be sorted by date, location and alphabet. By selecting a result, the corresponding day is displayed in the calendar app.

Screenshots

Letter Manager4 screens
calQuery3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
Letter Manager versus calQuery: the parameters behind the verdict, then further details
ParameterLetter ManagercalQuery
PriceFreeFree
Rating4.6 (19 ratings)5.0 (1 ratings) — better
Positive reviews86.4% of reviews—
Number of ratings19 — better1
Update frequencyMonthly — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.614.5 — better
Further details — not scored
Size31 MB1 MB
Age rating4+4+
DeveloperFelix ReimannUwe Holtkamp

Customer experience

Letter Manager

All ratings19 ratings
Positive89.5%
Neutral5.3%
Negative5.3%
Written reviews22 reviews
Positive86.4%
Neutral9.1%
Negative4.5%

calQuery

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Letter Manager

One-time4
  • Fullversion Birthday Edition$2.99
  • Fullversion with voucher$3.99
  • Fullversion$5.99
Show 1 more
  • Fullversion for Dealers$5.99
None

calQuery

No in-app purchases

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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