Comparison

DayCalc Pro vs Loudspeaker

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

Head to head
About

DayCalc Pro

This app combines a powerful calculator with a comprehensive unit converter. It offers standard and scientific calculations, allows notes to be added to history, and supports a wide range of units and custom conversions. Enjoy a user-friendly interface with customizable themes and watchOS integration.

Highlights
  • Standard and scientific calculator
  • Add notes to calculations
  • Over 600 units in 20 categories
  • Custom unit creation
  • Automatic currency exchange rate updates
  • Dark Mode support
  • Apple Watch integration
Features
Read full description

DayCalc is an easy to use, beautifully packaged calculator and Unit Converter, includes standard, scientific and fractions calculator, best calculator for your iPad, iPhone and Apple Watch! Calculator: - Live voice calculator - Add notes to history of your calculations, and you can share - Choose between a basic calculator or scientific calculator with more than 30 scientific operations - Use both calculators in portrait or landscape mode (both iPhone and iPad), and split screen support for iPad - Auto adjust height of the history list, no matter how long the calculation process can be displayed in full - Allows locking of calculation history, cannot be deleted and modified after locking - Full watchOS 4 and later support - Support iOS 9 and later spotlight search - Support Dark Mode Unit Converter: - Over 600+ units in 20 categories. - Allows you to add your own unit data, make your own unit converter that meets all your requirements. - Support more than 150 kinds of currency, conversion exchange rate automatic updates - The simplest way to create and use favorite lists. - Add the constant value of your frequently used, it can easily and quickly reused. - Flexible search feature that lets you quickly find what you want the unit and automatically saves your search history. Basic functions: - 50+ beautiful themes for you to choose - View and edit a history of your calculations on the History Panel - Multiple Button sounds, and button sound is mutable URL schemes: HCDayCalcPro:// Download it now and feel of this calculator is how classic

About

Loudspeaker

This utility app allows users to repeat spoken text or recorded audio. It can convert input text to voice, import files for repeated reading, and supports a "bullet screen" mode for scrolling text playback.

Highlights
  • Repeat spoken text
  • Convert text to voice
  • Record and repeat audio
  • Import files for reading
  • Scrolling text display mode
Features
Read full description

-Repeat the talking for you -Can input text, automatically convert to voice, repeat reading -Can be recorded and read repeatedly -Can import files and repeat reading -[blockbuster] supports scrolling and playing text in the form of "bullet screen / hand card"

Screenshots

DayCalc Pro4 screens
Loudspeaker4 screens

Verdict

The call

The clearest difference is price: Loudspeaker at Free against DayCalc Pro's $0.99. Loudspeaker also leads on review sentiment (100% vs 86%). DayCalc Pro's advantage is ads (none vs shown) and ratings volume (181 vs 2). On rating, update cadence, in-app purchases and monetization model 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

Loudspeaker is free to download; DayCalc Pro costs $0.99 up front. DayCalc Pro sells 9 one-off in-app purchases and Loudspeaker sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for DayCalc Pro against 4.5 for Loudspeaker. That said, the two scores are not equally well evidenced: DayCalc Pro has 181 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 86% of DayCalc Pro's written reviews are positive against 100% of Loudspeaker's.

UpkeepUpdate frequency

DayCalc Pro ships an update every 6 weeks, Loudspeaker monthly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
DayCalc Pro versus Loudspeaker: the parameters behind the verdict, then further details
ParameterDayCalc ProLoudspeaker
Price$0.99Free — better
Rating4.6 (181 ratings) — better4.5 (2 ratings)
Positive reviews85.6% of reviews100.0% of reviews — better
Number of ratings181 — better2
Update frequencyEvery 6 weeksMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size87 MB4 MB
Age rating4+4+
Developer良峰 侯德明 杨

Customer experience

DayCalc Pro

All ratings181 ratings
Positive92.8%
Neutral2.8%
Negative4.4%
Written reviews174 reviews
Positive85.6%
Neutral5.2%
Negative9.2%

Loudspeaker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

DayCalc Pro

Reported bugs

10 issues
  • Latest update stuck on download/installation loop
  • Display rendering issues in landscape mode on iPhone 12/13 mini
  • Fraction results display truncated with large numbers
  • Fraction operator placement incorrect during multi-step calculations
  • Currency conversion broken after favoriting currencies
Show 5 more
  • Copy expression only copies first number
  • Exponent calculation: .35 / 1 EE 6 returns 350,000 instead of correct value
  • Fahrenheit to Celsius conversion inaccurate (8°F returns 1.3°C)
  • App becomes unusable after using unit conversion feature
  • iOS 6 compatibility: black display and crashes

Requested features

5 requests
  • Cursor movement for easier digit and symbol editing
  • Back button to delete individual numbers instead of clearing all
  • History display directly above input without clicking
  • Back button in converter functions for easier navigation
  • Improved animated transitions for better aesthetics

Loudspeaker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

DayCalc Pro

One-time9
  • Constants Pack$0.99
  • Festivals Theme Pack 1$0.99
  • Season Theme Pack 1$0.99
Show 6 more
  • Bird Theme Pack 1$0.99
  • Insects Theme Pack 1$0.99
  • Season Theme Pack 2$0.99
  • Festivals Theme Pack 2$0.99
  • Custom Unit Pack$1.99
  • Complete Pack$4.99
2 purchases

Loudspeaker

One-time2
  • Buy Pro Viersion$0.99
  • Donate$0.99

Questions

Is DayCalc Pro free?
DayCalc Pro costs $0.99, and also offers in-app purchases.
Is Loudspeaker free?
Loudspeaker is free to download, with in-app purchases available.
Which has better reviews, DayCalc Pro or Loudspeaker?
DayCalc Pro is rated higher. DayCalc Pro averages 4.6 out of 5 from 181 ratings, while Loudspeaker averages 4.5 from 2 ratings.
Do DayCalc Pro or Loudspeaker have ads?
Loudspeaker shows ads; DayCalc Pro does not.
Which is updated more often, DayCalc Pro or Loudspeaker?
DayCalc Pro ships an update every 6 weeks, and Loudspeaker monthly. Most recently, DayCalc Pro was updated on November 11, 2026 and Loudspeaker on November 3, 2026.

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