DayCalc Pro vs 音频提取
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
音频提取
Extract audio from videos quickly and easily. Supports various video types and exports audio in multiple formats like M4A and MP3. Features a clean and simple interface for efficient use.
- One-click audio extraction
- Fast audio export
- Supports various video types
- Exports M4A, MP3, and more
- Clean and simple interface
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音频提取器是一款便捷的音频提取工具，支持一键操作提取和导出音频，选择完视频后能够秒提取音频，飞一般的速度 支持各种类型的视频 支持提取m4a, mp3等多种格式的音频 界面清爽简洁，相信你一定会喜欢上它
Screenshots
Verdict
The clearest difference is rating: DayCalc Pro at 4.6 against 音频提取's 2.0. DayCalc Pro also leads on ads (none vs shown) and ratings volume (181 vs 1). 音频提取's advantage is in-app purchases (none vs 9). On price, update cadence and iOS requirement 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
DayCalc Pro costs $0.99 and 音频提取 $0.99 up front. DayCalc Pro sells 9 one-off in-app purchases. 音频提取 asks for nothing beyond the download.
DayCalc Pro holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: DayCalc Pro has 181 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of DayCalc Pro's written reviews are positive against 71% of 音频提取's.
DayCalc Pro ships an update every 6 weeks, 音频提取 every 5 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | DayCalc Pro | 音频提取 |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.6 (181 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 85.6% of reviews — better | 71.4% of reviews |
| Number of ratings | 181 — better | 1 |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 98 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | 瑞 杨 |
Customer experience
DayCalc Pro
音频提取
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
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- 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
音频提取
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DayCalc Pro
- Constants Pack$0.99
- Festivals Theme Pack 1$0.99
- Season Theme Pack 1$0.99
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- 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
音频提取
No in-app purchases
