# DayCalc Pro vs 密码本

The clearest difference is in-app purchases: 密码本 at none against DayCalc Pro's 9. 密码本 also leads on rating (5.0 vs 4.6). DayCalc Pro's advantage is ratings volume (177 vs 2). On price, update cadence, ads and device support there is nothing between them.

DayCalc Pro costs $0.99 and 密码本 $0.99 up front. DayCalc Pro sells 9 one-off in-app purchases. 密码本 asks for nothing beyond the download.

密码本 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: DayCalc Pro has 177 ratings behind it against 2, so its average is the more settled of the two.

DayCalc Pro ships an update every 6 weeks, 密码本 every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DayCalc Pro | 密码本 |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.6 (177 ratings)](https://appshunter.io/ios/app/daycalc-pro-note-calculator/id654444242/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1603051677/reviews)** |
| Number of ratings | **177** | 2 |
| Positive reviews | 85.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 98 MB | 25 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [杰 林](https://appshunter.io/developer/1602113131) |

## 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


### 密码本

[App page](https://appshunter.io/ios/app/id1603051677)

Securely store and manage all your account usernames and passwords across various platforms. Generate strong, random passwords to enhance your online security. All data is stored locally on your device for maximum privacy.

**Highlights:** Account management, Password generation, Local data storage, Enhanced security, User feedback channel

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DayCalc Pro free?

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

### Is 密码本 free?

密码本 costs $0.99, with no in-app purchases.

### Which has better reviews, DayCalc Pro or 密码本?

密码本 is rated higher. DayCalc Pro averages 4.6 out of 5 from 177 ratings, while 密码本 averages 5.0 from 2 ratings.

### Do DayCalc Pro or 密码本 have ads?

Neither DayCalc Pro nor 密码本 shows ads.

### Which is updated more often, DayCalc Pro or 密码本?

DayCalc Pro ships an update every 6 weeks, and 密码本 every 3 weeks. Most recently, DayCalc Pro was updated on October 16, 2026 and 密码本 on October 7, 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.*