# Calzy vs ロック付チャットメモ帳

The clearest difference is price: ロック付チャットメモ帳 at Free against Calzy's $1.99. ロック付チャットメモ帳 also leads on in-app purchases (none vs 3) and iOS requirement (15.0 vs 26.0). Calzy's advantage is update cadence (every 2 days vs monthly) and chart position (#127 vs unranked). On ads and device support there is nothing between them.

ロック付チャットメモ帳 is free to download; Calzy costs $1.99 up front. Calzy sells 3 one-off in-app purchases. ロック付チャットメモ帳 asks for nothing beyond the download.

Calzy ships an update every 2 days, ロック付チャットメモ帳 monthly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Calzy | ロック付チャットメモ帳 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| 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** | Monthly |
| Monetization | Paid | — |
| Best chart rank | **#127** | — |
| Size | 66 MB | 10 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Raja Vijayaraman](https://appshunter.io/developer/562575890) | [TOMOYUKI NISHIO](https://appshunter.io/developer/6797396165) |

## What reviewers say

### Calzy

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

**Currently charting:** #127 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 |


### ロック付チャットメモ帳

[App page](https://appshunter.io/ios/app/id6797396163)

**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 ロック付チャットメモ帳 free?

ロック付チャットメモ帳 is free to download, with no in-app purchases.

### Do Calzy or ロック付チャットメモ帳 have ads?

Neither Calzy nor ロック付チャットメモ帳 shows ads.

### Which is updated more often, Calzy or ロック付チャットメモ帳?

Calzy ships an update every 2 days, and ロック付チャットメモ帳 monthly. Most recently, Calzy was updated on October 29, 2026 and ロック付チャットメモ帳 on October 29, 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.*