Comparison

CalReader vs QNAP Authenticator

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

QNAP Authenticator

Enhance your account security with this mobile app that provides 2-Step Verification and Passwordless Login. It offers multiple verification methods, including login approval, QR code scanning, and online codes, with TOTP support for offline use and third-party accounts.

Highlights
  • 2-Step Verification
  • Passwordless Login
  • Login Approval
  • QR Code Verification
  • Online Verification Code
  • Time-based One-Time Password (TOTP)
  • Offline TOTP generation
Read full description

QNAP Authenticator is a free app that adds an extra layer of security to your accounts by using your mobile device to verify your login. You can authenticate your identity using 2-Step Verification or Passwordless Login and choose from multiple verification methods. 【Requirements】 - QNAP NAS running QTS 5.1.0 (or later) - iOS 15 (or later) 【Major features of QNAP Authenticator】 - Supports 2-Step Verification and Passwordless Login - Supports scanning a QR code to quickly add an account - Supports the following verification methods:  1.Login Approval: Approve a login request with just a tap  2.QR Code: Scan a QR code to verify a login request  3.Online Verification Code: Receive a code sent from your QNAP device for verification  4.Time-based One-Time Password (TOTP): Generate a code automatically renewed for verification Login Approval, QR Code, and Online Verification Code require a connection to your NAS, whereas TOTP can work offline. This method also supports verifying third-party accounts from Google, Microsoft, Facebook, GitHub, and other service providers that have implemented their authentication following the TOTP standard.

Screenshots

CalReader4 screens
QNAP Authenticator4 screens

Verdict

The call

The clearest difference is price: QNAP Authenticator at Free against CalReader's $6.99. QNAP Authenticator also leads on ratings volume (13 vs 3). CalReader's advantage is rating (4.3 vs 1.9) and review sentiment (40% vs 20%). 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

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

ReceptionRating · Positive reviews · Number of ratings

CalReader holds the better App Store score, 4.3 against 1.9. Both are backed by a comparable volume of ratings — 3 and 13 respectively. Written reviews point the same way: 40% of CalReader's written reviews are positive against 20% of QNAP Authenticator's.

UpkeepUpdate frequency

CalReader ships an update every 4 months, QNAP Authenticator every 3 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
CalReader versus QNAP Authenticator: the parameters behind the verdict, then further details
ParameterCalReaderQNAP Authenticator
Price$6.99Free — better
Rating4.3 (3 ratings) — better1.9 (13 ratings)
Positive reviews40.0% of reviews — better20.0% of reviews
Number of ratings313 — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size16 MB44 MB
Age rating4+4+
DeveloperImajaQNAP Systems, Inc.

Customer experience

CalReader

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

QNAP Authenticator

All ratings10 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews10 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

None

CalReader

No in-app purchases

None

QNAP Authenticator

No in-app purchases

Questions

Is CalReader free?
CalReader costs $6.99, with no in-app purchases.
Is QNAP Authenticator free?
QNAP Authenticator is free to download, with no in-app purchases.
Which has better reviews, CalReader or QNAP Authenticator?
CalReader is rated higher. CalReader averages 4.3 out of 5 from 3 ratings, while QNAP Authenticator averages 1.9 from 13 ratings.
Do CalReader or QNAP Authenticator have ads?
Neither CalReader nor QNAP Authenticator shows ads.
Which is updated more often, CalReader or QNAP Authenticator?
CalReader ships an update every 4 months, and QNAP Authenticator every 3 months. Most recently, CalReader was updated on October 12, 2026 and QNAP Authenticator on October 21, 2026.

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