# DayCalc Pro vs 音频提取

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.

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.

## The numbers

| Metric | DayCalc Pro | 音频提取 |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.6 (181 ratings)](https://appshunter.io/ios/app/daycalc-pro-note-calculator/id654444242/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/id1634770612/reviews) |
| Number of ratings | **181** | 1 |
| Positive reviews | **85.6% of reviews** | 71.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 98 MB | 28 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [瑞 杨](https://appshunter.io/developer/1627906239) |

## What reviewers say

### DayCalc Pro

[App page](https://appshunter.io/ios/app/daycalc-pro-note-calculator/id654444242)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constants Pack | $0.99 | one-time |
| Festivals Theme Pack 1 | $0.99 | one-time |
| Season Theme Pack 1 | $0.99 | one-time |
| Bird Theme Pack 1 | $0.99 | one-time |
| Insects Theme Pack 1 | $0.99 | one-time |
| Season Theme Pack 2 | $0.99 | one-time |
| Festivals Theme Pack 2 | $0.99 | one-time |
| Custom Unit Pack | $1.99 | one-time |
| Complete Pack | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 🎨 Customizable themes and colors
- 📊 Comprehensive feature set (scientific, fractions, conversions)
- 💰 Great value for price (free or $1)
- 📝 Useful history/tape feature for tracking calculations

**What reviewers complain about**

- 🐛 Update installation issues and stuck downloads
- 🐛 Display cutoff in landscape mode on smaller phones
- 🐛 Fraction display cuts off large numbers
- 🐛 Currency converter fails after favoriting
- 🐛 Copy function only copies first number

**Reported bugs**

- 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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/id1634770612)

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.

**Highlights:** One-click audio extraction, Fast audio export, Supports various video types, Exports M4A, MP3, and more, Clean and simple interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DayCalc Pro free?

DayCalc Pro costs $0.99, and also offers in-app purchases.

### Is 音频提取 free?

音频提取 costs $0.99, with no in-app purchases.

### Which has better reviews, DayCalc Pro or 音频提取?

DayCalc Pro is rated higher. DayCalc Pro averages 4.6 out of 5 from 181 ratings, while 音频提取 averages 2.0 from 1 ratings.

### Do DayCalc Pro or 音频提取 have ads?

音频提取 shows ads; DayCalc Pro does not.

### Which is updated more often, DayCalc Pro or 音频提取?

DayCalc Pro ships an update every 6 weeks, and 音频提取 every 5 weeks. Most recently, DayCalc Pro was updated on November 6, 2026 and 音频提取 on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*