Comparison

CalReader vs BuildSec 4.0

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

Head to head
About

CalReader

Enhance your calendar's readability with customizable fonts and sizes. Easily filter events by date, calendar, or search terms, and export your data and time calculations in various formats like TEXT, CSV, or TSV. This tool is ideal for logging work or personal events and generating invoices.

Highlights
  • Customizable font and size
  • Event filtering by date, calendar, and text
  • TEXT, CSV, TSV export
  • Time calculation for billing
  • Siri Shortcuts integration
  • Dark Mode support
Features
Read full description

CalReader provides calendar readability, TEXT/CSV/TSV export, and time calculations. Choose a favorite font and size for maximum readability. Filter event listings by date range, calendar, and search text, and export listings and time calculations at TEXT, CSV, or TSV files. CalReader features time analysis and can calculate an invoice billing amount and time log for a given filter setup, total hours and rate per hour. Use Siri Shortcuts and Home Screen Quick Actions to quickly perform common actions in CalReader. CalReader can be used to log events on work/home projects. CalReader integrates iOS, macOS and CalDAV calendars including macOS Server, Google and Yahoo calendars, and provides a unique tool for journals, diaries and event logs. CalReader's unique flexibility makes for easy browsing/reading of one's history or future. The events listing view optionally displays ALL of the text of an event in an easy to read format. Calendar Filtering • Choose a date range to filter the visible events and to calculate hours and produce time logs. • Easily choose a single calendar, multiple calendars or all calendars for viewing. • Search selected calendars for text, keywords or phrases. • The search function can be used to search for times or dates. For example, find all events in the date range that start at "9:00 AM", or events on the date "11/4/26". Export Listings and Calculations • The export text generated by the Copy Text With Calculations command includes a header with the current calendar names, date range and optional search text. • Copy the filtered calendar text, with or without calculations, and then paste the text to other types of applications, or tap E-Mail Text to deliver the calendar text via e-mail. • E-mail CSV (Comma-Separated Values) or TSV (Tab-Separated Values) event listing files as attachments. • The Calculations view displays the total hours for the filtered event set and calculates the total amount using rate per hour, useful for invoices / billing. Calculations also displays the event count, average, minimum and maximum duration for the current set of events. Display Customization • Dark Mode support, and app-based dark and light styles with various color effects and calendar color indications. • Customize the font and size of the calendar text for best readability: large text is easy on the eyes, or small text for high density information. • Use pinch touch gestures to instantly change the size of the text. • Choose from various view styles using calendar colors, or no colors. • Choose to view all text of each item, or limit the number of lines (1-5) for a quick overview. Usability • Week and Month select: Previous, This, Next buttons provide fast one-tap date range selections. Use Previous and Next buttons repeatedly to move the date range window through time. • Go To Today and Go To Date actions provide quick navigation. • Speak Events uses the device’s text-to-speech capabilities to speak the currently visible events. • The Filter settings, Actions, Display, Calculations and Extras sections are neatly accessible without scrolling and searching for functions. • Tap the Done button for direct return to the main CalReader view after performing functions or settings changes. • Event listings include the duration for each event. • Events close to the current time are highlighted in the listing view with a gradient of orange displayed along the right edge, most intense for events close to the current time, fading off for events within 24 hours before and after the current time. • The filter settings of CalReader help produce complete listings of events that match a date range, calendar set, and a text phrase, and readability all of the text in the filtered set of events. • Choose to see all of the event text for all displayed events in the list, or truncated text and more items per screen. • Update Notification sound indicates a calendar update.

About

BuildSec 4.0

Features
Read full description

Using the alarm system app BuildSec 4.0 you are in control of your modern TELENOT hazard alarm system at any time and any place. The alarm system app BuildSec 4.0 is a user software application for smartphones and tablets. The operation of the alarm system app is identical to operation of the keypad BT 800. OPERATION • Setting/unsetting of all partitions • Indication of open dedicated signals (door, window, etc.) • Alarm messages and location in plain text • Disabling of input groups • Operation of switching functions • Displaying of the event memory • Disabling/enabling of the keypad codes CONNECTION MODES • Connection via digital platform hiXserver (currently for intruder alarm control panels complex) • Direct connection between app and alarm system ADVANCED FUNCTIONS • Storage of access data of properties in the application of smartphones/tablets • Optional encryption of property access data is possible • Exporting access data via QR codes • Importing access data via QR code scan • Favorites list • Encrypted data transfer from smartphones/tablets to alarm system • Password-protected login • User authentication via Face ID or Touch ID COMPATIBLE HAZARD ALARM SYSTEMS • Intruder alarm control panel hiplex 8400H (from firmware version 01.01, recommended: firmware version 3 or higher) • Intruder alarm control panels complex 200H / 400H, wireless alarm system compact easy (from firmware version 15.43) in connection with transmission devices 1516 / 2516 / 3516 (from firmware version 6.20)

Screenshots

CalReader4 screens
BuildSec 4.03 screens

Verdict

The call

The clearest difference is price: BuildSec 4.0 at Free against CalReader's $6.99. On update cadence, ads, in-app purchases 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

BuildSec 4.0 is free to download; CalReader costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CalReader ships an update every 4 months, BuildSec 4.0 every 2 months. The most recent releases landed on August 29, 2026 and September 19, 2026 respectively.

Scorecard1 real difference · 9 level
CalReader versus BuildSec 4.0: the parameters behind the verdict, then further details
ParameterCalReaderBuildSec 4.0
Price$6.99Free — better
Rating4.3 (3 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size16 MB204 MB
Age rating4+4+
DeveloperImajaTelenot Electronic GmbH

In-app purchases

None

CalReader

No in-app purchases

None

BuildSec 4.0

No in-app purchases

Questions

Is CalReader free?
CalReader costs $6.99, with no in-app purchases.
Is BuildSec 4.0 free?
BuildSec 4.0 is free to download, with no in-app purchases.
Do CalReader or BuildSec 4.0 have ads?
Neither CalReader nor BuildSec 4.0 shows ads.
Which is updated more often, CalReader or BuildSec 4.0?
CalReader ships an update every 4 months, and BuildSec 4.0 every 2 months. Most recently, CalReader was updated on August 29, 2026 and BuildSec 4.0 on September 19, 2026.

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