# Calendar Paste 3 vs Calca

The clearest difference is price: Calendar Paste 3 at $1.99 against Calca's $9.99. Calendar Paste 3 also leads on in-app purchases (none vs 2). Calca's advantage is rating (4.5 vs 4.0) and ratings volume (153 vs 9). On update cadence, ads and device support there is nothing between them.

Calendar Paste 3 costs $1.99 and Calca $9.99 up front. Calca sells 2 one-off in-app purchases. Calendar Paste 3 asks for nothing beyond the download.

Calca holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Calca has 153 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 67% of Calendar Paste 3's written reviews are positive against 76% of Calca's.

Calendar Paste 3 ships an update every 3 months, Calca every 5 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Calendar Paste 3 | Calca |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | [4.0 (9 ratings)](https://appshunter.io/ios/app/calendar-paste-3/id581693524/reviews) | **[4.5 (153 ratings)](https://appshunter.io/ios/app/calca/id635757879/reviews)** |
| Number of ratings | 9 | **153** |
| Positive reviews | 66.7% of reviews | **76.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 78 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Tietze](https://appshunter.io/developer/581693527) | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) |

## What reviewers say

### Calendar Paste 3

[App page](https://appshunter.io/ios/app/calendar-paste-3/id581693524)

Create reusable templates for recurring or irregular events. Easily paste these templates into your calendar to save time and avoid repetitive data entry for meetings, shifts, and custom appointments.

**Highlights:** Create event templates, Paste templates into calendar, Schedule team meetings, Manage work shifts, Handle on-call duties, Specify custom durations

**In-app purchases:** none


### Calca

[App page](https://appshunter.io/ios/app/calca/id635757879)

This app is an advanced symbolic calculator and text editor. It solves equations, simplifies expressions, and allows you to explain your work alongside calculations. Calculations update instantly as you type, and all data is stored as plain text for easy sharing and device syncing.

**Highlights:** Symbolic calculation, Equation solving, Expression simplification, Markdown text editor, Real-time updates, Unit and currency conversion, Matrix operations

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6-Month Optional Patronage | $4.99 | one-time |
| 12-Month Optional Patronage | $7.99 | one-time |

**What reviewers like**

- 💡 Unique blend of text editor and calculator
- 📝 Markdown support for documentation
- 🔄 Dynamic recalculation of all values
- ⚙️ Powerful mathematical and algebraic capabilities
- 📊 Unit conversion and unit-aware calculations

**What reviewers complain about**

- 🐛 Magic Keyboard input bugs on iPad
- ⚠️ Appears abandoned or poorly maintained
- 🐛 Text selection issues with external keyboards
- 📱 iPad landscape mode problems
- 🐛 Cursor jumping and screen jumping during editing

**Reported bugs**

- Magic Keyboard causes number input to overwrite instead of append
- Text selection before numbers triggers increment/decrement instead of selecting
- Cursor jumps forward and backward with external keyboards
- iPad Pro keyboard truncation in portrait mode
- Arrow key (=>) doesn't work in landscape mode

**Requested features**

- Files app and document browser integration
- Dropbox and Google Drive support
- Date calculation functionality
- Looping and iteration support
- User-defined function storage in separate files


## Frequently asked questions

### Is Calendar Paste 3 free?

Calendar Paste 3 costs $1.99, with no in-app purchases.

### Is Calca free?

Calca costs $9.99, and also offers in-app purchases.

### Which has better reviews, Calendar Paste 3 or Calca?

Calca is rated higher. Calendar Paste 3 averages 4.0 out of 5 from 9 ratings, while Calca averages 4.5 from 153 ratings.

### Do Calendar Paste 3 or Calca have ads?

Neither Calendar Paste 3 nor Calca shows ads.

### Which is updated more often, Calendar Paste 3 or Calca?

Calendar Paste 3 ships an update every 3 months, and Calca every 5 months. Most recently, Calendar Paste 3 was updated on October 9, 2026 and Calca on October 13, 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.*