# Calzy vs WriterDeck

The clearest difference is in-app purchases: WriterDeck at none against Calzy's 3. WriterDeck also leads on iOS requirement (17.0 vs 26.0). Calzy's advantage is chart position (#87 vs unranked) and price ($1.99 vs $2.99). On update cadence, ads and device support there is nothing between them.

Calzy costs $1.99 and WriterDeck $2.99 up front. Calzy sells 3 one-off in-app purchases. WriterDeck asks for nothing beyond the download.

Calzy ships an update every 2 days, WriterDeck daily. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Calzy | WriterDeck |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[4.7 (1.9K ratings)](https://appshunter.io/ios/app/calzy/id623690732/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 76.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Paid | — |
| Best chart rank | **#87** | — |
| Size | 66 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Raja Vijayaraman](https://appshunter.io/developer/562575890) | [Strēt Apps](https://appshunter.io/developer/1877013335) |

## What reviewers say

### Calzy

[App page](https://appshunter.io/ios/app/calzy/id623690732)

**Currently charting:** #87 Top Paid · Productivity (US App Store)

This app offers a modern and intuitive way to perform everyday calculations. It features a unique Memory Area for reusing values, bookmarking for saved calculations, and leverages the latest iOS technologies for a seamless experience. Designed with privacy in mind, it's suitable for students and professionals alike.

**Highlights:** Memory Area for reusing values, Calculation bookmarking with titles, Basic and advanced calculation modes, Privacy mode with Face ID, Live Activity and Haptic Touch support, Customizable keypad layout, Dark and Light modes

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Huge Tip | $9.99 | one-time |


### WriterDeck

[App page](https://appshunter.io/ios/app/writerdeck/id6759533617)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calzy free?

Calzy costs $1.99, and also offers in-app purchases.

### Is WriterDeck free?

WriterDeck costs $2.99, with no in-app purchases.

### Do Calzy or WriterDeck have ads?

Neither Calzy nor WriterDeck shows ads.

### Which is updated more often, Calzy or WriterDeck?

Calzy ships an update every 2 days, and WriterDeck daily. Most recently, Calzy was updated on October 12, 2026 and WriterDeck on October 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.*